Aminor-planet moon is anastronomical object thatorbits aminor planet as itsnatural satellite. As of January 2022[update], there are457 minor planets known or suspected to have moons.[1] Discoveries of minor-planet moons (and binary objects, in general) are important because the determination of their orbits provides estimates on themass anddensity of the primary, allowing insights into their physical properties that are generally not otherwise accessible.[2]
Several of the moons are quite large compared to their primaries:90 Antiope,Mors–Somnus andSila–Nunam (95%),Patroclus–Menoetius,Altjira andLempo–Hiisi (90%, with Lempo–Paha at 50%). The largest known minor-planet moon inabsolute size is Pluto's largest moonCharon, which itself has about half the diameter of Pluto.
There are also several knownring systems around distant objects (see:Rings of Chariklo andChiron).
In addition to the termssatellite andmoon, the term "binary" (binary minor planet) is sometimes used for minor planets with one moon, and "triple" for minor planets with two moons. If one object is much bigger it is referred to as theprimary and its companion as thesecondary. The termdouble asteroid is sometimes used for systems in which the asteroid and its moon are roughly the same size, whilebinary tends to be used independently from the relative sizes of the components. When binary minor planets are similar in size, theMinor Planet Center (MPC) refers to them as "binary companions" instead of referring to the smaller body as a satellite.[3] A good example of a true binary is the90 Antiope system, identified in August 2000.[4] Very small satellites are often referred to as moonlets.[2][5]
Prior to the era of theHubble Space Telescope and space probes reaching theouter Solar System, attempts to detect satellites around asteroids were limited to optical observations from Earth. For example, in 1978,stellar occultation observations were claimed as evidence of a satellite for the asteroid to532 Herculina.[6][7] However, later more-detailed imaging by the Hubble Telescope did not reveal a satellite, and the current consensus is that Herculina does not have a significant satellite.[8] There were other similar reports of asteroids having companions (usually referred to as satellites) in the following years. A letter by astronomerThomas Hamilton in theSky & Telescope magazine at this time pointed to apparently simultaneous impact craters on Earth (for example, theClearwater Lakes in Quebec), suggesting that these craters were caused by pairs of gravitationally bound objects.[9]
In 2014,130 Elektra was discovered to have three moons, making it the only discovered quadruple asteroid.
Also in 1978, Pluto's largest moonCharon was discovered; however, at the time Pluto was still considered to be one of the major planets.
In 1993, the first asteroid moon was confirmed when theGalileo probe discovered the smallDactyl orbiting243 Ida in theasteroid belt. The second was discovered around45 Eugenia in 1998.[10] In 2001,617 Patroclus and its same-sized companion Menoetius became the first known binary asteroids in theJupiter trojans.[11] The firsttrans-Neptunian binary after Pluto–Charon,1998 WW31, was optically resolved in 2002.[12]
In 2005, the asteroid87 Sylvia was discovered to have two satellites, making it the first known triple system (also called atriple minor planet ortriple asteroid).[13] This was followed by the discovery of a second moon orbiting45 Eugenia.[14] Also in 2005, the dwarf planetHaumea was discovered to have two moons, making it the second trans-Neptunian object afterPluto known to have more than one moon.[15] Additionally,216 Kleopatra[16] and93 Minerva[17] were discovered to be triple asteroids in 2008 and 2009 respectively. There has been one discovered quadruple minor planet, that being130 Elektra. Since the first few triple minor planets were discovered, more continue to be discovered. As of 2025[update], the total number of known multiple systems among minor planets is 18 (including the Pluto and Haumea systems).[1]
The following table lists all satellites of multiple systems, starting with Pluto, which was unnumbered when its first moon was discovered in 1978. The highest known multiplicities are for Pluto (a sextuple system) and130 Elektra (a quadruple system).
Parent body | Minor-planet moon | ||||
---|---|---|---|---|---|
Designation | Orbital class | Designation | Discovery date | Announcement date | Announcement of triple |
Pluto | Kuiper Belt | Charon | 1978/06/22 | 1978/07/07 | 2005/10/31 |
Nix | 2005/05/15 | 2005/10/31 | |||
Hydra | |||||
Kerberos | 2011/06/28 | 2013/07/02 | |||
Styx | 2012/06/26 | 2013/07/02 | |||
45 Eugenia | Asteroid belt | Petit-Prince | 1998/11/01 | 1999/03/20 | 2007/03/07 |
S/2004 (45) 1[18] | 2004/02/14 | 2007/03/07 | |||
87 Sylvia | Asteroid belt | Romulus | 2001/02/18 | 2005/08/11 | 2005/08/11 |
Remus | 2004/08/09 | ||||
93 Minerva | Asteroid belt | Aegis | 2009/08/16 | 2013/12/17 | 2013/12/17 |
Gorgoneion | |||||
107 Camilla | Asteroid belt | S/2001 (107) 1[19] | 2001/03/01 | 2001/03/19 | 2016/08/07 |
S/2016 (107) 1[20] | 2015/05/29 | 2016/08/07 | |||
130 Elektra | Asteroid belt | – | 2003/08/15 | 2003/08/17 | 2014/12/16 |
– | 2014/12/06 | 2014/12/16 | |||
– | 2014/12/09 | 2021/11/06 | |||
216 Kleopatra | Asteroid belt | Alexhelios | 2008/09/19 | 2011/02/18 | 2011/02/18 |
Cleoselene | |||||
2577 Litva | Mars-crosser | – | 2009/02/28 | 2009/03/11 | 2013/12/22 |
– | 2012/06/22 | 2013/12/22 | |||
3122 Florence | Amor | – | 2017/08/29 | 2017/09/01 | 2017/09/01 |
– | |||||
3749 Balam | Asteroid belt | – | 2002/02/08 | 2002/02/13 | 2008/03/12 |
– | 2007/07/15 | 2008/03/12 | |||
4666 Dietz | Asteroid belt | – | 2015/09/02 | 2015/10/?? | 2018/07/20 |
– | 2015/09/02 | 2018/07/20 | |||
6186 Zenon | Asteroid belt | – | 2017/01/01 | 2017/01/14 | 2017/01/14 |
– | |||||
47171 Lempo | Kuiper belt | Paha | 2001/12/08 | 2002/01/10 | 2009/10/?? |
Hiisi | 2009/10/?? | 2009/10/?? | |||
136108 Haumea | Kuiper belt | Hiʻiaka | 2005/01/26 | 2008/09/17 | 2008/09/17 |
Namaka | 2005/06/30 | ||||
(136617) 1994 CC | Apollo | Beta (unofficial) | 2009/06/12 | 2009/06/19 | 2009/06/19 |
Gamma (unofficial) | |||||
(153591) 2001 SN263 | Amor | Beta (unofficial) | 2008/02/12 | 2008/02/12 | 2008/02/12 |
Gamma (unofficial) | |||||
(348400) 2005 JF21 | Amor | – | 2015/08/?? | 2015/08/22 | 2020/06/09 |
– | 2020/05/?? | 2020/06/09 | |||
(363027) 1998 ST27 | Aten | – | 2001/10/07 | 2001/10/09 | 2024/10/11 |
– | 2024/10/?? | 2024/10/11 |
The data about the populations of binary objects are still patchy. In addition to the inevitable observational bias (dependence on the distance from Earth, size,albedo and separation of the components) the frequency appears to be different among different categories of objects. Among asteroids, an estimated 2% would have satellites. Amongtrans-Neptunian objects (TNOs), an estimated 11% are thought to be binary or multiple objects, and the majority of the large TNOs have at least one satellite, including all four IAU-listed dwarf planets.
More than 50 binaries are known in each of the main groupings:near-Earth asteroids,belt asteroids, andtrans-Neptunian objects, not including numerous claims based solely on light-curve variation.
Two binaries have been found so far amongcentaurs withsemi-major axes smaller than Neptune.[21] Both are double ring systems around2060 Chiron and10199 Chariklo, discovered in 1993–2011 and 2013 respectively.
The origin of minor-planet moons is not currently known with certainty, and a variety of hypotheses exist. One such model is that minor-planet moons are formed from debris knocked off the primary by an impact. Other pairings may be formed when a small object is captured by the gravity of a larger one.
Formation by collision is constrained by theangular momentum of the components, i.e. by the masses and their separation. Close binaries fit this model (e.g.Pluto–Charon). Distant binaries however, with components of comparable size, are unlikely to have followed this scenario, unless considerable mass has been lost in the event.
The distances of the components for the known binaries vary from a few hundreds of kilometres (243 Ida,3749 Balam) to more than 3000 km (379 Huenna) for the asteroids. Among TNOs, the known separations vary from 3,000 to 50,000 km.[21]
What is "typical" for a binary system tends to depend on its location in the Solar System (presumably because of different modes of origin and lifetimes of such systems in different populations of minor planets).[22]
As of January 2022[update], there are 457 minor planets (systems) with 477 known companions.[1] The following table is a listing of the total number of these systems by orbital class:
# of Systems | Orbital class | List by class | Multiple satellites |
---|---|---|---|
86 | Near-Earth objects | go to list | Three systems with two satellites:3122 Florence,(136617) 1994 CC, and(153591) 2001 SN263. |
31 | Mars-crossing asteroids | goto list | One system with two satellites:2577 Litva. |
212 | Main-belt asteroids | go to list | Eight systems with two satellites:45 Eugenia,87 Sylvia,93 Minerva,107 Camilla,216 Kleopatra,3749 Balam,4666 Dietz,6186 Zenon; and one quadruple system with three satellites:130 Elektra. |
6 | Jupiter trojans | go to list | – |
122 | Trans-Neptunian objects | go to list | Two systems with two satellites:47171 Lempo and136108 Haumea; one system with five satellites:134340 Pluto.[1][24] |
This is a list ofnear-Earth asteroids with companions.[1] Candidate binaries with an unconfirmed status are displayed on a dark background.[25] For an overview, seesummary andintroduction.
System | Primary | Secondary | Refs | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Designation | Class | De (km) | s/p-ratio | YOD | Dp (km) | RTp (hours) | Designation | YOD | Ds (km) | RTs (hours) | as (km) | Ps (hours) | |
1862 Apollo | APO | 1.55 | 0.052 | 1932 | 1.55 | 3.065 | – | 2005 | 0.08 | – | 3.75 | 27.36 | BINJPLLoMPLCDB |
1866 Sisyphus | APO | 8.48 | 0.1 | 1972 | 8.44 | 2.3909 | – | 1985 | 0.84 | – | 19 | 27.12 | BINJPLLoMPLCDB |
3122 Florence | AMO | 4.40 | 0.04 0.04 | 1981 | 4.4 | 2.3581 | – | 2017 | 0.2 | – | 4.6 | 7.2 | BINJPLLoMPLCDB |
– | 2017 | 0.3 | – | 9.8 | 24 | ||||||||
3671 Dionysus | AMO | 1.46 | 0.2 | 1984 | 1.43 | 2.705 | S/1997 (3671) 1[26] | 1997 | 0.29 | – | 3.4 | 27.744 | BINJPLLoMPLCDB |
5143 Heracles | APO | 3.65 | 0.167 | 1991 | 3.6 | 2.706 | – | 2011 | 0.6 | – | 4 | 15.5 | BINJPLLoMPLCDB |
5381 Sekhmet | ATE | 1.04 | 0.3 | 1991 | 1 | 2.7 | – | 2003 | 0.3 | 10 | 1.54 | 12.5 | BINJPLLoMPLCDB |
(5646) 1990 TR | AMO | 2.72 | 0.18+ | 1990 | 2.68 | 3.1999 | – | 2012 | 0.48 | – | 5.1 | 19.4712 | BINJPLLoMPLCDB |
7088 Ishtar | AMO | 1.51 | 0.42 | 1992 | 1.39 | 2.679 | – | 2006 | 0.33 | – | 2.8 | 20.6496 | BINJPLLoMPLCDB |
(7888) 1993 UC | APO | 2.72 | – | 1993 | 2.72 | 2.34 | – | 2013 | – | – | 7.7 | 35.04 | BINJPLLoMPLCDB |
15745 Yuliya | AMO | 1.2 | 0.46+ | 1991 | 0.61+ | 3.2495 | – | 2018 | 0.28+ | – | – | 11.735 | BINJPLLoMPLCDB |
(31345) 1998 PG | AMO | 0.94 | 0.3 | 1998 | 0.9 | 2.51620 | – | 2001 | 0.27 | – | 1.4 | 14.0064 | BINJPLLoMPLCDB |
(31346) 1998 PB1 | AMO | 1.26 | 0.38+ | 1998 | 1.18 | 2.7358 | – | 2021 | 0.45+ | – | 4.6 | 55.39 | BINJPL LoMPLCDB |
(35107) 1991 VH | APO | 1.12 | 0.4 | 1991 | 1.04 | 2.624 | S/2008 (35107) 1[27] | 1997 | 0.42 | – | 3.26 | 32.64 | BINJPLLoMPLCDB |
(53110) 1999 AR7 | AMO | 1.5 | 0.41+ | 1999 | 1.4 | 2.7375 | – | 2015 | 0.6+ | – | 3.8 | 31.32 | BINJPLLoMPLCDB |
65803 Didymos | AMO | 0.77 | 0.22 | 1996 | 0.75 | 2.259 | Dimorphos S/2003 (65803) 1 | 2003 | 0.177 | – | 1.18 | 11.8992 | BINJPLLoMPLCDB |
(66063) 1998 RO1 | ATE | 0.89 | 0.48 | 1998 | 0.8 | 2.492 | – | 2002 | 0.38 | – | 1.2 | 14.5392 | BINJPLLoMPLCDB |
66391 Moshup | ATE | 1.39 | 0.341 | 1999 | 1.317 | 2.7645 | Squannit S/2001 (66391) 1 | 2001 | 0.451 | 17.4 | 2.548 | 17.4216 | BINJPLLoMPLCDB |
(68063) 2000 YJ66 | AMO | 2.3 | – | 2000 | 2.3 | 2.1102 | – | 2014 | – | – | 3.8 | 15.7 | BINJPLLoMPLCDB |
69230 Hermes | APO | 0.81 | 0.9 | 1937 | 0.6 | 13.894 | – | 2003 | 0.54 | 13.892 | 1.1 | 13.8936 | BINJPLLoMPLCDB |
(85275) 1994 LY | AMO | 2.51 | 0.24+ | 1994 | 2.44 | 2.696 | – | 2020 | 0.59+ | – | 4.2 | 16.6238 | BINJPLLoMPLCDB |
(85938) 1999 DJ4 | APO | 0.48 | 0.5 | 1999 | 0.43 | 2.514 | – | 2004 | 0.21 | – | 0.8 | 17.7312 | BINJPLLoMPLCDB |
(88710) 2001 SL9 | APO | 1 | 0.28 | 2001 | 0.96 | 2.4 | – | 2001 | 0.2 | – | 1.6 | 16.399 | BINJPLLoMPLCDB |
(136617) 1994 CC | APO | 0.64 | 0.182 0.129 | 1994 | 0.62 | 2.3886 | Beta (unofficial) | 2009 | 0.113 | – | 1.729 | 29.832 | BINJPLLoMPLCDB |
Gamma (unofficial) | 2009 | 0.08 | – | 6.130 | 201.024 | ||||||||
(136993) 1998 ST49 | APO | 0.69 | 0.109 | 1998 | 0.69 | 2.302 | – | 2012 | 0.08 | – | – | – | BINJPLLoMPLCDB |
(137170) 1999 HF1 | ATE | 3.73 | 0.23 | 1999 | 3.64 | 2.319 | – | 1999 | 0.84 | – | 7.3 | 14.01696 | BINJPLLoMPLCDB |
(138095) 2000 DK79 | AMO | 2.18 | – | 2000 | 2.18 | 4.243 | – | 2013 | – | – | – | – | BINJPLLoMPLCDB |
(143649) 2003 QQ47 | APO | 0.995 | 0.33 | 2003 | 0.94 | 2.6446 | – | 2021 | 0.31 | 13.065 | 1.4 | 13.07 | BINJPL LoMPLCDB |
(152931) 2000 EA107 | ATE | 1.65 | – | 2000 | 1.65 | 4.1367 | – | 2019 | – | 16.079 | – | – | BINJPL LoMPLCDB |
(153591) 2001 SN263 | AMO | 2.85 | 0.408 0.177 | 2001 | 2.6 | 3.425 | Beta (unofficial) | 2008 | 1.06 | – | 16.633 | 149.4 | BINJPLLoMPLCDB |
Gamma (unofficial) | 2008 | 0.46 | – | 3.804 | 16.464 | ||||||||
(153958) 2002 AM31 | APO | 0.46 | 0.25 | 2002 | 0.45 | 2.817 | – | 2012 | 0.11 | – | 1.5 | 26.304 | BINJPLLoMPLCDB |
(162000) 1990 OS | APO | 0.3 | 0.167 | 1990 | 0.3 | 2.536 | – | 2003 | 0.05 | – | 0.6 | 21 | BINJPLLoMPLCDB |
(162483) 2000 PJ5 | ATE | 0.62 | 0.5 | 2000 | 0.55 | 2.642 | – | 2005 | 0.28 | – | 1.05 | 14.16 | BINJPLLoMPLCDB |
163693 Atira | ATI | 4.9 | 0.21 | 2003 | 4.8 | 2.9745 | – | 2017 | 1 | – | 6 | 15.504 | BINJPLLoMPLCDB |
(164121) 2003 YT1 | APO | 1.12 | 0.191 | 2003 | 1.1 | 2.343 | – | 2004 | 0.21 | – | 3.93 | 36.696 | BINJPLLoMPLCDB |
(175706) 1996 FG3 | APO | 1.69 | 0.28 | 1996 | 1.69 | 3.595195 | – | 1998 | 0.49 | 16.15 | 3 | 16.1508 | BINJPLLoMPLCDB |
(185851) 2000 DP107 | APO | 0.85 | 0.41 | 2000 | 0.8 | 2.774 | – | 2000 | 0.3 | – | 2.62 | 42.192 | BINJPLLoMPLCDB |
(190166) 2005 UP156 | AMO | 1.05 | – | 2005 | 1.045 | 40.542 | – | 2017 | – | – | – | – | BINJPLLoMPLCDB |
(190208) 2006 AQ | AMO | 1.06 | – | 2006 | 1.06 | 182 | – | 2015 | – | 2.62 | – | – | BINJPLLoMPLCDB |
(226514) 2003 UX34 | APO | 0.28 | 0.5 | 2003 | 0.25 | – | – | 2017 | 0.1 | – | – | – | BINJPLLoMPLCDB |
(250162) 2002 TY57 | AMO | 0.38 | 0.18+ | 2002 | 0.37 | 2.5001 | – | 2018 | 0.07+ | – | 0.5 | 10.76 | BINJPLLoMPLCDB |
(276049) 2002 CE26 | APO | 3.46 | 0.087 | 2002 | 3.46 | 3.2931 | – | 2004 | 0.3 | – | 4.7 | 15.6 | BINJPLLoMPLCDB |
(285263) 1998 QE2 | AMO | 3.09 | 0.25 | 1998 | 3.2 | 4.751 | – | 2013 | 0.8 | 1.3046 | 6.212 | 31.3104 | BINJPLLoMPLCDB |
(285571) 2000 PQ9 | AMO | 1 | – | 2000 | 1 | – | – | 2021 | – | – | – | – | BINJPL LoMPLCDB |
(310560) 2001 QL142 | APO | 0.92 | – | 2001 | 0.92 | – | – | 2017 | – | – | – | – | BINJPLLoMPLCDB |
(311066) 2004 DC | APO | 0.37 | 0.2 | 2004 | 0.36 | 2.6 | – | 2006 | 0.07 | 7 | 0.75 | 23.04 | BINJPLLoMPLCDB |
(326732) 2003 HB6 | AMO | 0.95 | 0.23 | 2003 | 0.93 | 3.463 | – | 2021 | 0.21 | 22.92 | 2 | 22.92 | BINJPL LoMPLCDB |
(348400) 2005 JF21 | AMO | 0.6 | 0.18 | 2005 | 0.6 | 2.4144 | – | 2015 | 0.11 | – | 0.9 | 14.736 | BINJPLLoMPLCDB |
(357439) 2004 BL86 | APO | 0.33 | 0.21 | 2004 | 0.32 | 2.6 | – | 2015 | 0.07 | – | 0.5 | 14.4 | BINJPLLoMPLCDB |
(363027) 1998 ST27 | ATE | 0.81 | 0.15 | 1998 | 0.8 | 3- | – | 2001 | 0.12 | <6 | 4.5 | 98.4 | BINJPLLoMPLCDB |
(363067) 2000 CO101 | APO | 0.62 | 0.065 | 2000 | 0.62 | 5.12 | – | 2009 | 0.04 | – | 0.61 | 7.2 | BINJPLLoMPLCDB |
(363599) 2004 FG11 | APO | 0.17 | 0.533 | 2004 | 0.15 | 4- | – | 2012 | 0.08- | – | 0.25 | 20 | BINJPLLoMPLCDB |
(374851) 2006 VV2 | APO | 1.82 | 0.28 | 2006 | 1.06 | 2.41 | – | 2007 | 0.3+ | – | 1.5 | 5.52 | BINJPLLoMPLCDB |
(385186) 1994 AW1 | AMO | 1.04 | 0.49 | 1994 | 0.94 | 2.519 | – | 1994 | 0.46 | – | 2 | 22.3296 | BINJPLLoMPLCDB |
(399307) 1991 RJ2 | AMO | 0.55 | 0.47+ | 1991 | 0.5 | 3.4907 | – | 2014 | 0.24 | 15.917 | 0.86 | 15.91704 | BINJPLLoMPLCDB |
(399774) 2005 NB7 | APO | 0.54 | 0.32+ | 2005 | 0.5 | 3.4883 | – | 2008 | 0.2 | 15.267 | 0.6 | 15.2808 | BINJPLLoMPLCDB |
(410777) 2009 FD | APO | 0.17 | 0.6 | 2009 | 0.15 | 4 | – | 2015 | 0.09 | – | 0.25 | 14.4 | BINJPLLoMPLCDB |
(450894) 2008 BT18 | APO | 0.63 | 0.333 | 2008 | 0.6 | 2.726 | – | 2008 | 0.2+ | – | 1.5 | 28.8 | BINJPLLoMPLCDB |
(452561) 2005 AB | AMO | 1.95 | 0.24 | 2005 | 1.9+ | 3.339 | – | 2005 | 0.46 | – | 3.4 | 17.9304 | BINJPLLoMPLCDB |
(461852) 2006 GY2 | APO | 0.41 | 0.2 | 2006 | 0.4 | 2.27 | – | 2006 | 0.08 | – | 0.5 | 11.7 | BINJPLLoMPLCDB |
(481532) 2007 LE | APO | 0.53 | 0.36 | 2007 | 0.5 | 2.603 | – | 2012 | 0.18 | – | 1.4 | 33.504 | BINJPLLoMPLCDB |
(488453) 1994 XD | APO | 0.62 | 0.25 | 1994 | 0.6 | 2.736 | – | 2005 | 0.15+ | – | 0.6 | 17.976 | BINJPLLoMPLCDB |
(489486) 2007 GS3 | APO | 1.067 | 0.46 | 2007 | 0.97 | 3.497 | – | 2019 | 0.45 | 41.36 | 3.2 | 41.36 | BINJPLLoMPLCDB |
(494658) 2000 UG11 | APO | 0.29 | 0.5 | 2000 | 0.26 | 4.44 | – | 2000 | 0.13 | – | 0.426 | 18.4 | BINJPLLoMPLCDB |
(523625) 2008 DG17 | APO | 0.38 | – | 2008 | 0.38 | – | – | 2013 | – | – | – | – | BINJPLLoMPLCDB |
(523775) 2014 YB35 | APO | 0.34 | 0.5- | 2014 | 0.3 | – | – | 2015 | 0.15- | – | – | – | BINJPLLoMPLCDB |
(741081) 2005 LW3 | APO | 0.40 | 0.25 | 2005 | 0.40 | 3.6 | – | 2022 | 0.1 | – | 4 | – | BINJPLLCDB |
(49494) 1994 CJ1 | APO | 0.21- | 1 | 1994 | 0.15- | 30 | – | 2014 | 0.15- | – | 0.525 | 30 | BINJPLLoMPLCDB |
(612098) 1999 RM45 | APO | 0.181 | 0.45 | 1999 | 0.165 | 3.0697 | – | 2021 | 0.074 | – | 0.29 | 16.4448 | BINJPLLoMPLCDB |
2002 BM26 | AMO | 0.61 | 0.167 | 2002 | 0.6 | 2.7 | – | 2002 | 0.1 | – | 1.4 | 25.8 | BINJPLLCDB |
2002 KK8 | AMO | 0.51 | 0.2 | 2002 | 0.5 | – | – | 2002 | 0.1 | – | – | – | BINJPLLCDB |
2003 SS84 | APO | 0.13 | 0.5 | 2003 | 0.12 | – | – | 2003 | 0.06 | – | 0.27 | 24 | BINJPLLCDB |
(613286) 2005 YQ96 | ATE | 0.27 | – | 2005 | 0.27 | rot. | – | 2014 | – | – | – | – | BINJPLLoMPLCDB |
2007 DT103 | APO | 0.31 | 0.267 | 2007 | 0.3 | 2.703 | – | 2007 | 0.08+ | – | 0.45 | 13.44 | BINJPLLCDB |
2013 PY6 | AMO | 0.53 | 0.24 | 2013 | 0.52 | 3.6246 | – | 2020 | 0.12 | – | 1.2 | 27.312 | BINJPLLCDB |
2013 WT44 | APO | 1.32 | – | 2013 | 1 | 2.8849 | – | 2014 | – | – | – | – | BINJPLLCDB |
2014 WZ120 | APO | 0.3 | 0.32+ | 2014 | 0.3 | 3.361 | – | 2014 | 0.1 | – | 0.5 | 13.665 | BINJPLLCDB |
2015 TD144 | APO | 0.1 | – | 2015 | 0.1 | – | – | 2015 | – | – | – | – | BINJPLLCDB |
2016 AZ8 | APO | 0.47 | 0.43 | 2016 | 0.42 | 7- | – | 2019 | 0.18- | <40 | 0.42+ | 7.2 | BINJPLLCDB |
2017 RV1 | APO | 0.3 | – | 2017 | 0.3 | – | – | 2017 | – | – | – | – | BINJPLLCDB |
2017 YE5 | APO | 1.3 | 1 | 2017 | 0.9 | 20.6 | – | 2018 | 0.9 | – | 2.4 | 22.08 | BINJPLLCDB |
2018 EB | APO | 0.24 | 0.167 | 2018 | 0.24 | 1.2 | – | 2018 | 0.04 | – | – | – | BINJPLLCDB |
2018 TF3 | APO | 0.28 | 0.23 | 2018 | 0.27 | 2.4398 | – | 2018 | 0.06 | 2.3498 | 0.35 | 10.512 | BINJPLLCDB |
2020 AZ2 | AMO | 0.19 | – | 2020 | 0.19 | – | – | 2020 | – | – | – | – | BINJPLLCDB |
2020 BX12 | APO | 0.18 | 0.42 | 2020 | 0.165 | 2.8 | – | 2020 | 0.07 | <49 | 0.36 | 47.04 | BINJPLLCDB |
This is a list ofMars-crossing asteroids with companions.[1] Candidate binaries with an unconfirmed status are displayed on a dark background.[25] For an overview, seesummary andintroduction.
System | Primary | Secondary | Refs | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Designation | Class | De (km) | s/p-ratio | YOD | Dp (km) | RTp (hours) | Designation | YOD | Ds (km) | as (km) | Ps (hours) | |
1139 Atami | cls. | 7.81 | 0.833 | 1929 | 6 | 27.45 | – | 2005 | 5 | 15+ | 27.456 | BINJPLLoMPLCDB |
1656 Suomi | H | 7.86 | 0.26+ | 1942 | 7.61 | 2.5885 | – | 2020 | 1.98+ | 30 | 57.92 | BINJPLLoMPLCDB |
1727 Mette | cls. | 10.4 | 0.21 | 1965 | 10.18 | 2.98109 | – | 2013 | 2.14 | 21 | 20.99 | BINJPLLoMPLCDB |
2044 Wirt | cls. | 6.66 | 0.25 | 1950 | 6.46 | 3.6898 | – | 2006 | 1.62 | 12 | 18.9696 | BINJPLLoMPLCDB |
2449 Kenos | cls. | 6.2 | 0.23 | 1978 | 6 | 3.8481 | – | 2015 | 1.4 | 10 | 15.84 | BINJPLLoMPLCDB |
2577 Litva | cls. | 4.4 | 0.35 0.3 | 1975 | 4 | 2.813 | – | 2009 | 1.4 | 21 | 35.88 | BINJPLLoMPLCDB |
S/2012 (2577) 1[28] | 2012 | 1.2 | 378 | 5136 | ||||||||
3873 Roddy | cls. | 7.51 | 0.27 | 1984 | 7.25 | 2.47900 | – | 2012 | 1.96 | 14 | 19.24 | BINJPLLoMPLCDB |
4435 Holt | cls. | 5.03 | 0.34+ | 1983 | 4.76 | 2.867 | – | 2017 | 1.62+ | 16 | 42.648 | BINJPLLoMPLCDB |
5261 Eureka | cls. | 1.28 | 0.39+ | 1990 | 1.19 | 2.6902 | – | 2011 | 0.46 | 2.1 | 16.9296 | BINJPLLoMPLCDB |
(5407) 1992 AX | cls. | 3.98 | 0.2 | 1992 | 3.9 | 2.549 | – | 1997 | 0.78 | 5.8 | 13.5192 | BINJPLLoMPLCDB |
7002 Bronshten | cls. | 3.12 | 0.24+ | 1971 | 3.03 | 2.67025 | – | 2018 | 0.73+ | 4.5 | 13.32 | BINJPLLoMPLCDB |
7369 Gavrilin | cls. | 7.92 | 0.32+ | 1975 | 7.54 | 49.12 | – | 2007 | 2.41 | 27 | 49.128 | BINJPLLoMPLCDB |
8373 Stephengould | unus. | 5.48 | 0.27- | 1992 | 5.29 | 4.435 | – | 2010 | 1.43 | 15 | 34.152 | BINJPLLoMPLCDB |
12008 Kandrup | cls. | 4.2 | 0.75 | 1996 | 3.4 | 32.9034 | – | 2016 | 2.6 | 10 | 32.904 | BINJPLLoMPLCDB |
13920 Montecorvino | cls. | 2.81 | 0.22+ | 1985 | 2.81 | 2.20231 | – | 2020 | – | – | 15.475 | BINJPLLoMPLCDB |
(15700) 1987 QD | cls. | 4.15 | 0.31 | 1987 | 3.96 | 3.0586 | – | 2010 | 1.23 | 14 | 50.4 | BINJPLLoMPLCDB |
(16635) 1993 QO | cls. | 4.77 | 0.27+ | 1993 | 4.61 | 7.622 | – | 2007 | 1.24 | 12 | 32.256 | BINJPLLoMPLCDB |
(23621) 1996 PA | cls. | 2.5 | 0.27+ | 1996 | 2.4 | 2.6649 | – | 2017 | 0.65 | 5 | 20.60 | BINJPLLoMPLCDB |
24495 Degroff | cls. | 3.5 | – | 2001 | 3.26 | 24.083 | – | 2017 | – | – | 2.7375 | BINJPLLoMPLCDB |
26074 Carlwirtz | cls. | 3.62 | – | 1977 | 3.62 | 2.4593 | – | 2013 | – | 6.1 | 16.1112 | BINJPLLoMPLCDB |
26471 Tracybecker | cls. | 6.05 | 0.36 | 2000 | 5.69 | 2.687 | – | 2009 | 2.05 | 18 | 39.288 | BINJPLLoMPLCDB |
(32039) 2000 JO23 | cls. | 4.15 | 0.32+ | 2000 | 3.96 | 6.5979 | – | 2007 | 1.27 | 53 | 360 | BINJPLLoMPLCDB |
(34706) 2001 OP83 | cls. | 3.62 | 0.28 | 2001 | 3.48 | 2.5644 | – | 2005 | 0.98 | 7 | 20.76 | BINJPLLoMPLCDB |
(51356) 2000 RY76 | cls. | 3.3 | 0.21+ | 2000 | 3.23 | 2.5572 | – | 2012 | 0.68 | 13 | 62.04 | BINJPLLoMPLCDB |
(53432) 1999 UT55 | cls. | 2.62 | 0.23+ | 1999 | 2.55 | 3.330 | – | 2013 | 0.59 | 4 | 14.1 | BINJPLLoMPLCDB |
(54697) 2001 FA70 | cls. | 3.3 | 0.19+ | 2001 | 3.2 | 2.7077 | – | 2016 | 0.6 | – | 16.2648 | BINJPLLoMPLCDB |
(99913) 1997 CZ5 | cls. | 6.89 | 0.19 | 1997 | 6.77 | 2.83507 | – | 2010 | 1.29 | 11 | 14.6808 | BINJPLLoMPLCDB |
(100015) 1989 SR7 | cls. | 2.4 | 0.35 | 1989 | 2.3 | 2.4172 | – | 2018 | 0.8 | 4.5 | 20.65 | BINJPLLoMPLCDB |
(114319) 2002 XD58 | cls. | 2.62 | – | 2002 | 2.19 | 2.9649 | – | 2005 | – | – | 7.954 | BINJPLLoMPLCDB |
(218144) 2002 RL66 | cls. | 2.97 | – | 2002 | – | 587 | – | 2010 | – | – | – | BINJPLLoMPLCDB |
This is a list ofmain-belt asteroids with companions.[1] Candidate binaries with an unconfirmed status are displayed on a dark background.[25] For an overview, seesummary andintroduction.
System | Primary | Secondary | Refs | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Designation | Class | De (km) | s/p-ratio | YOD | Dp (km) | RTp (hours) | Designation | YOD | Ds (km) | as (km) | Ps (hours) | |
22 Kalliope | – | 168.5 | 0.168 | 1852 | 166.2 | 4.1482 | Linus S/2001 (22) 1 | 2001 | 28 | 1095 | 86.304 | BINJPL LoMPLCDB |
31 Euphrosyne | EUP | 267.08 | 0.025 | 1854 | 267.08 | 5.53 | – | 2019 | 6.7 | 677 | 28.8 | BINJPL LoMPLCDB |
41 Daphne | – | 174 | 0.011 | 1856 | 174 | 5.9880 | Peneius S/2008 (41) 1 | 2008 | 2- | 443 | 26.4 | BINJPL LoMPLCDB |
45 Eugenia | – | 206 | 0.034 0.024 | 1857 | 206 | 5.699 | Petit-Prince S/1998 (45) 1 (Eugenia I) | 1998 | 7 | 1164 | 113.18 | BINJPL LoMPLCDB |
S/2004 (45) 1 | 2004 | 5 | 611 | 43.03 | ||||||||
87 Sylvia | SYL | 286 | 0.038 0.037 | 1866 | 286 | 5.1836 | Romulus S/2001 (87) (Sylvia I) | 2001 | 10.8 | 1351 | 87.696 | BINJPL LoMPLCDB |
Remus S/2004 (87) (Sylvia II) | 2004 | 10.6 | 701.6 | 32.952 | ||||||||
90 Antiope | THM | 121 | 0.954 | 1866 | 87.8 | 16.505 | – | 2000 | 87.8 | 171 | 16.505 | BINJPL LoMPLCDB |
93 Minerva | GEF | 141.6 | 0.028 0.021 | 1867 | 141.6 | 5.9818 | Aegis S/2009 (93) 1 (Minerva I) | 2009 | 3.6 | 623.5 | 57.744 | BINJPL LoMPLCDB |
Gorgoneion S/2009 (93) 2 (Minerva II) | 2009 | 3.2 | 375 | 26.7528 | ||||||||
107 Camilla | SYL | 219.37 | 0.073 0.016 | 1868 | 219.37 | 4.8439 | S/2001 (107) 1[29] | 2001 | 16 | 1250 | 89.328 | BINJPL LoMPLCDB |
S/2016 (107) 1[30] | 2016 | 3.5 | 340 | 12 | ||||||||
121 Hermione | 7:4 | 190 | 0.171 | 1872 | 187 | 5.551 | S/2002 (121) 1[31] | 2002 | 32 | 747 | 61.512 | BINJPL LoMPLCDB |
130 Elektra | – | 199 | 0.03 0.01 0.008 | 1873 | 199 | 5.2247 | S/2003 (130) 1[32] | 2003 | 6.0 | 1298 | 126.9 | BINJPL LoMPLCDB |
S/2014 (130) 1[33] | 2014 | 2.0 | 498 | 30.14 | ||||||||
S/2014 (130) 2[34] | 2014 | 1.6 | 345 | 16.8 | ||||||||
216 Kleopatra | – | 135 | 0.066 0.051 | 1880 | 135 | 5.38528 | Alexhelios S/2008 (216) 1 (Kleopatra I) | 2008 | 8.9 | 678 | 55.68 | BINJPL LoMPLCDB |
Cleoselene S/2008 (216) 2 (Kleopatra II) | 2008 | 6.9 | 454 | 29.76 | ||||||||
243 Ida | KOR | 31.4 | 0.045 | 1884 | 31.4 | 4.6336 | Dactyl (Ida I) | 1993 | 1.4 | 108 | 36.96 | BINJPL LoMPLCDB |
283 Emma | EMA | 134.7 | 0.067 | 1889 | 134.7 | 6.888 | S/2003 (283) 1[35] | 2003 | 9 | 581 | 80.472 | BINJPL LoMPLCDB |
317 Roxane | – | 20.56 | 0.267 | 1891 | 19.86 | 8.169 | Olympias S/2009 (317) 1 (Roxane I) | 2009 | 5.3 | 257 | 336 | BINJPL LoMPLCDB |
379 Huenna | THM | 87.47 | 0.066 | 1894 | 87.47 | 7.022 | S/2003 (379) 1[36] | 2003 | 5.8 | 3336 | 2102 | BINJPL LoMPLCDB |
702 Alauda | ALA | 201.96 | 0.017 | 1910 | 201.96 | 8.354 | Pichi üñëm S/2007 (702) 1 | 2007 | 3.51 | 1227 | 117.9 | BINJPL LoMPLCDB |
762 Pulcova | – | 143 | 0.134 | 1913 | 141.72 | 5.839 | – | 2000 | 19 | 703 | 106.51 | BINJPL LoMPLCDB |
809 Lundia | FLO | 9.1 | 0.89 | 1915 | 6.9 | 15.418 | – | 2005 | 6.1 | 15.8 | 15.418 | BINJPL LoMPLCDB |
854 Frostia | – | 7.84 | 0.724 | 1916 | 6.35 | 37.728 | – | 2004 | 4.6 | 17 | 37.73 | BINJPL LoMPLCDB |
939 Isberga | – | 12.9 | 0.29 | 1920 | 12.4 | 2.9170 | – | 2006 | 3.6 | 33 | 26.630 | BINJPL LoMPLCDB |
1016 Anitra | FLO | 9.54 | – | 1924 | 9.54 | 5.9295 | – | 2016 | – | – | – | BINJPL LoMPLCDB |
1052 Belgica | FLO | 10.41 | 0.36+ | 1925 | 9.79 | 2.7097 | – | 2012 | 3.53 | 34 | 47.26 | BINJPL LoMPLCDB |
1089 Tama | – | 12.92 | 0.685 | 1927 | 10.7 | 16.444 | – | 2003 | 7.33 | 20.7 | 16.445 | BINJPL LoMPLCDB |
1313 Berna | – | 13.5 | 0.79 | 1933 | 10.6 | 25.464 | – | 2004 | 8.37 | 25 | 25.464 | BINJPL LoMPLCDB |
1333 Cevenola | EUN | 17.15 | 0.35 | 1934 | 17.15 | 4.88 | – | 2008 | – | – | – | BINJPL LoMPLCDB |
1338 Duponta | FLO | 7.88 | 0.23 | 1934 | 7.68 | 3.8545 | – | 2007 | 1.77 | 14 | 17.57 | BINJPL LoMPLCDB |
1344 Caubeta | – | 5.84 | – | 1935 | 5.84 | 3.122 | – | 2011 | – | – | – | BINJPL LoMPLCDB |
1453 Fennia | H | 7.23 | 0.28+ | 1938 | 6.96 | 4.4121 | – | 2007 | 1.95 | 15 | 22.9896 | BINJPL LoMPLCDB |
1509 Esclangona | H | 8.17 | 0.331 | 1938 | 7.76 | 3.253 | S/2003 (1509) 1[37] | 2003 | 2.57 | 140 | 552 | BINJPL LoMPLCDB |
1526 Mikkeli | – | 5.32 | 0.2 | 1939 | 5.22 | 2.9341 | – | 2020 | 1.04 | 8.8 | 15.9792 | BINJPLLoMPLCDB |
1626 Sadeya | – | 15.14 | 0.26 | 1927 | 14.65 | 3.4202 | – | 2020 | 3.81 | 54 | 51.312 | BINJPLLoMPLCDB |
1717 Arlon | – | 9.13 | – | 1954 | 9.13 | 5.148 | – | 2005 | – | 17 | 18.235 | BINJPL LoMPLCDB |
1770 Schlesinger | – | 10.61 | – | 1967 | 10.61 | 2.8804 | – | 2016 | – | – | – | BINJPL LoMPLCDB |
1798 Watts | FLO | 6.63 | – | 1949 | 6.63 | – | – | 2017 | – | – | – | BINJPL LoMPLCDB |
1803 Zwicky | PHO | 9.93 | 0.26 | 1967 | 9.61 | 2.7329 | – | 2021 | 2.50 | 24 | 28.459 | BINJPLLoMPLCDB |
1830 Pogson | FLO | 8.28 | 0.32+ | 1968 | 7.89 | 2.57 | – | 2007 | 2.52 | 18 | 24.24 | BINJPL LoMPLCDB |
1934 Jeffers | PHO | 9.24 | – | 1972 | 9.24 | 6.0427 | – | 2020 | – | 15 | 15.014 | BINJPL LoMPLCDB |
2006 Polonskaya | FLO | 4.62 | 0.22+ | 1973 | 4.51 | 3.118 | – | 2005 | 0.99 | 8.5 | 19.1496 | BINJPL LoMPLCDB |
2019 van Albada | FLO | 7.86 | 0.26+ | 1935 | 7.61 | 2.7294 | – | 2019 | 1.98+ | 14 | 17.982 | BINJPLLoMPLCDB |
2047 Smetana | H | 3.07 | 0.21+ | 1971 | 3 | 2.497 | – | 2012 | 0.63 | 6.3 | 22.4304 | BINJPL LoMPLCDB |
2070 Humason | – | 4.57 | 0.31 | 1964 | 4.37 | 3.1883 | – | 2018 | 1.35 | 17 | 53.50 | BINJPL LoMPLCDB |
2121 Sevastopol | FLO | 9.32 | 0.41 | 1971 | 8.62 | 2.9064 | – | 2010 | 3.54 | 26 | 37.104 | BINJPL LoMPLCDB |
2131 Mayall | H | 8.56 | 0.26+ | 1975 | 8.28 | 2.568 | – | 2009 | 2.15 | 18 | 23.4792 | BINJPL LoMPLCDB |
2178 Kazakhstania | – | 4.31 | 0.26 | 1972 | 4.17 | 3.0183 | – | 2018 | 1.08 | 8 | 18.50 | BINJPL LoMPLCDB |
2242 Balaton | – | 6.13 | 0.25+ | 1936 | 5.95 | 2.7979 | – | 2015 | 1.49+ | 9 | 12.96 | BINJPL LoMPLCDB |
2337 Boubín | – | 8.01 | 0.16+ | 1976 | 7.91 | 2.53163 | – | 2018 | 1.27+ | 13 | 16.09 | BINJPL LoMPLCDB |
2343 Siding Spring | NYS | 5.2 | 0.19+ | 1979 | 5.11 | 2.10637 | – | 2015 | 0.97+ | 7 | 11.78904 | BINJPL LoMPLCDB |
2478 Tokai | FLO | 9.98 | 0.72+ | 1981 | 8.1 | 25.885 | – | 2007 | 5.83 | 21 | 25.896 | BINJPL LoMPLCDB |
2486 Metsähovi | – | 8.42 | – | 1939 | 8.42 | 4.4518 | – | 2007 | – | – | – | BINJPL LoMPLCDB |
2491 Tvashtri | H | 3.259 | 0.24+ | 1977 | 3.17 | 4.0852 | – | 2018 | 0.76+ | 7.5 | 26.71 | BINJPL LoMPLCDB |
2516 Roman | – | 4.408 | 0.23 | 1964 | 4.3 | 2.6266 | – | 2019 | 0.99 | 7.3 | 16.2192 | BINJPLLoMPLCDB |
2535 Hämeenlinna | – | 9.42 | 0.22+ | 1939 | 9.2 | 3.23106 | – | 2015 | 2.0+ | 19 | 21.2304 | BINJPL LoMPLCDB |
2602 Moore | – | 9.6 | 0.28 | 1982 | 9.2 | 3.46723 | – | 2019 | 2.6 | 22 | 27.455 | BINJPLLoMPLCDB |
2623 Zech | – | 7.92 | 0.29+ | 1919 | 7.61 | 2.7401 | – | 2014 | 2.21+ | 48 | 117.19 | BINJPL LoMPLCDB |
2691 Sersic | – | 5.44 | 0.43+ | 1974 | 5 | 3.8811 | – | 2011 | 2.15 | 12 | 26.808 | BINJPL LoMPLCDB |
2754 Efimov | – | 6.58 | 0.2 | 1966 | 6.46 | 2.4497 | – | 2006 | 1.29 | 10 | 14.7648 | BINJPL LoMPLCDB |
2815 Soma | FLO | 7.16 | 0.25 | 1982 | 6.95 | 2.73325 | – | 2011 | 1.74 | 13 | 17.916 | BINJPL LoMPLCDB |
2825 Crosby | – | 5.06 | 0.18+ | 1938 | 4.98 | 2.8135 | – | 2017 | 0.9+ | – | 14.3496 | BINJPL LoMPLCDB |
2873 Binzel | FLO | 6.43 | 0.25+ | 1982 | 6.24 | 2.7037 | – | 2019 | 1.56+ | n.a. | 44.58 | BINJPL LoMPLCDB |
2881 Meiden | – | 5.67 | – | 1983 | 5.67 | 3.48 | – | 2017 | – | – | – | BINJPL LoMPLCDB |
3034 Climenhaga | – | 9.97 | – | 1917 | 9.97 | 2.73749 | – | 2009 | – | 19 | 18.9552 | BINJPL LoMPLCDB |
3073 Kursk | FLO | 6.89 | 0.25 | 1979 | 6.69 | 3.4468 | – | 2006 | 1.67 | 22 | 44.952 | BINJPL LoMPLCDB |
3169 Ostro | H | 5.15 | 0.87 | 1981 | 3.89 | 6.509 | – | 2005 | 3.38 | 5.2 | 6.5088 | BINJPL LoMPLCDB |
3309 Brorfelde | H | 5.04 | 0.26 | 1982 | 4.88 | 2.5041 | – | 2005 | 1.27 | 9 | 18.48 | BINJPL LoMPLCDB |
3378 Susanvictoria | – | 6.64 | 0.24+ | 1922 | 6.46 | 2.5621 | – | 2017 | 1.55+ | 11 | 17.1312 | BINJPL LoMPLCDB |
3390 Demanet | FLO | 5.06 | 0.26 | 1984 | 4.9 | 2.59457 | – | 2021 | 1.27 | 14 | 37.14 | BINJPLLoMPLCDB |
3433 Fehrenbach | – | 7.74 | 0.31 | 1963 | 7.4 | 3.916 | – | 2015 | 2.3 | 14 | 19.6656 | BINJPL LoMPLCDB |
3523 Arina | – | 9.07 | 0.24+ | 1975 | 8.82 | 2.6742 | – | 2021 | 2.12+ | 22 | 29.261 | BINJPLLoMPLCDB |
3623 Chaplin | KOR | 11.1 | – | 1981 | 11.1 | 8.361 | – | 2008 | – | – | – | BINJPL LoMPLCDB |
3673 Levy | – | 6.41 | 0.28 | 1985 | 6.17 | 2.688 | – | 2007 | 1.73 | 13 | 21.6 | BINJPL LoMPLCDB |
3703 Volkonskaya | V | 3.73 | 0.4 | 1978 | 3.46 | 3.235 | – | 2005 | 1.39 | 7.8 | 24 | BINJPL LoMPLCDB |
3749 Balam | FLO | 4.66 | 0.466 0.42 | 1982 | 3.95 | 2.80483 | S/2002 (3749) 1[38] | 2002 | 1.84 | 289 | 1464 | BINJPL LoMPLCDB |
– | 2008 | 1.66 | 20 | 33.384 | ||||||||
3782 Celle | V | 5.92 | 0.43 | 1986 | 5.44 | 3.839 | – | 2003 | 2.34 | 18 | 36.576 | BINJPL LoMPLCDB |
3792 Preston | PHO | 5.16 | – | 1985 | 5.16 | 2.9277 | – | 2016 | – | – | 46.8 | BINJPL LoMPLCDB |
3657 Ermolova | V | 6.66 | 0.14 | 1978 | 6.6 | 2.60655 | – | 2020 | 0.92 | 9.4 | 12.540 | BINJPL LoMPLCDB |
3841 Dicicco | FLO | 6.25 | 0.28+ | 1983 | 6.02 | 3.5949 | – | 2014 | 1.67+ | 12 | 21.6288 | BINJPL LoMPLCDB |
3865 Lindbloom | V | 7.97 | 0.65+ | 1988 | 6.68- | 26.016 | – | 2020 | 4.34+ | 17 | 26.016 | BINJPLLoMPLCDB |
3868 Mendoza | – | 9.35 | 0.22 | 1960 | 9.13 | 2.7709 | – | 2009 | 2.01 | 20 | 24.384 | BINJPL LoMPLCDB |
3905 Doppler | – | 7.91 | 0.77+ | 1984 | 6.27 | 50.8 | – | 2013 | 4.83 | 26 | 50.808 | BINJPL LoMPLCDB |
3912 Troja | – | 5.93 | 0.33 | 1988 | 5.63 | 3.6594 | – | 2021 | 1.86 | 10 | 17.371 | BINJPL LoMPLCDB |
3951 Zichichi | – | 6.72 | 0.33+ | 1986 | 6.38 | 3.3942 | – | 2006 | 2.11 | 16 | 27.6 | BINJPL LoMPLCDB |
3982 Kastelʹ | – | 6.79 | – | 1984 | 6.79 | 5.835 | – | 2005 | – | – | – | BINJPL LoMPLCDB |
4029 Bridges | – | 8.02 | 0.24 | 1982 | 7.8 | 3.5746 | – | 2006 | 1.87 | 13 | 16.3104 | BINJPL LoMPLCDB |
4030 Archenhold | – | 6.97 | 0.31+ | 1984 | 6.66 | 3.27292 | – | 2020 | 2.06+ | 12 | 15.9739 | BINJPL LoMPLCDB |
4092 Tyr | – | 7.6 | 0.45+ | 1986 | 7.6 | 16.0875 | – | 2020 | – | 14 | 16.0875 | BINJPL LoMPLCDB |
4272 Entsuji | – | 7.68 | 0.18 | 1977 | 7.56 | 2.8087 | – | 2015 | 1.36 | 13 | 15.9456 | BINJPL LoMPLCDB |
4288 Tokyotech | EUN | 12.3 | 0.30+ | 1989 | 11.78 | 3.18 | – | 2019 | 3.53+ | 30 | 30.276 | BINJPLLoMPLCDB |
4296 van Woerkom | FLO | 7.6 | 0.3 | 1935 | 7.3 | 2.809 | – | 2016 | 2.2 | 17 | 26.232 | BINJPL LoMPLCDB |
4337 Arecibo | THM | 19.69 | 0.53 | 1985 | 24.3 | – | – | 2021 | 13 | 48 | 19.2 | BINJPL LoMPLCDB |
4362 Carlisle | FLO | 5.59 | 0.33+ | 1978 | 5.31- | 2.63289 | – | 2021 | 1.75+ | 17 | 43.296 | BINJPL LoMPLCDB |
4383 Suruga | – | 6.47 | 0.21+ | 1989 | 6.33 | 3.4068 | – | 2013 | 1.33 | 11 | 16.3872 | BINJPL LoMPLCDB |
4440 Tchantchès | H | 2.09 | 0.25+ | 1984 | 2.03 | 2.78836 | – | 2005 | 0.51 | 3.8 | 18.6912 | BINJPL LoMPLCDB |
4492 Debussy | – | 17.36 | 0.643 | 1988 | 14.6 | 26.606 | – | 2004 | 9.39 | 31 | 26.616 | BINJPL LoMPLCDB |
4514 Vilen | – | 6.29 | 0.26 | 1972 | 6.09 | 2.8922 | – | 2015 | 1.58+ | 11 | 16.8504 | BINJPL LoMPLCDB |
4541 Mizuno | – | 6.29 | – | 1989 | 6.29 | 5.261 | – | 2015 | – | – | – | BINJPL LoMPLCDB |
4607 Seilandfarm | – | 7.39 | 0.29+ | 1987 | 7.1 | 3.9683 | – | 2009 | 2.06 | 19 | 31.632 | BINJPL LoMPLCDB |
4666 Dietz | – | 6.83 | 0.34 – | 1986 | 6.52 | 2.95242 | – | 2015 | 2.22+ | 18 | 33.192 | BINJPL LoMPLCDB |
– | 2015 | – | – | – | ||||||||
4674 Pauling | H | 4.68 | 0.32 | 1989 | 4.46 | 2.521 | S/2004 (4674) 1[39] | 2004 | 1.41 | 250 | 3120 | BINJPL LoMPLCDB |
4765 Wasserburg | H | 1.78 | 0.16+ | 1986 | 1.76 | 3.6231 | – | 2013 | 0.28 | 2.9 | 15.9696 | BINJPL LoMPLCDB |
4786 Tatianina | – | 3.28 | 0.19+ | 1985 | 3.22 | 2.9227 | – | 2006 | 0.61 | 6.6 | 21.6696 | BINJPL LoMPLCDB |
4788 Simpson | – | 3.58 | 0.17+ | 1986 | 3.53 | 2.81752 | – | 2020 | 0.6+ | 5.7 | 14.981 | BINJPLLoMPLCDB |
4868 Knushevia | H | 1.535 | 0.13+ | 1989 | 1.52 | 3.1422 | – | 2015 | 0.2+ | 2.1 | 11.922 | BINJPL LoMPLCDB |
4951 Iwamoto | – | 5.52 | 0.76+ | 1990 | 4.39 | 118.0 | – | 2007 | 3.34 | 31 | 118.0 | BINJPL LoMPLCDB |
5112 Kusaji | FLO | 3.42 | 0.31 | 1987 | 3.27 | 2.7995 | – | 2016 | 1.01 | 7 | 20.74 | BINJPL LoMPLCDB |
5135 Nibutani | – | 4.82 | 0.28 | 1990 | 4.64 | 2.818 | – | 2020 | 1.3 | 9.6 | 21.7368 | BINJPLLoMPLCDB |
5402 Kejosmith | – | 4.19 | 0.18+ | 1989 | 4.12 | 2.69549 | – | 2018 | – | 12 | 36.62 | BINJPL LoMPLCDB |
5425 Vojtěch | V | 7.05 | 0.22 | 1984 | 6.89 | 2.64759 | – | 2015 | 1.52 | 16 | 25.4304 | BINJPL LoMPLCDB |
5426 Sharp | H | 2.033 | – | 1985 | 2.033 | 4.5609 | – | 2014 | – | 4.5 | 24.2208 | BINJPL LoMPLCDB |
5474 Gingasen | V | 5.05 | – | 1988 | 5.05 | 3.6242 | – | 2008 | – | – | – | BINJPL LoMPLCDB |
5477 Holmes | H | 3.15 | 0.37 | 1989 | 2.95 | 2.9943 | – | 2005 | 1.09 | 6.7 | 24.43 | BINJPL LoMPLCDB |
5481 Kiuchi | V | 7.92 | 0.33 | 1990 | 7.52 | 3.6196 | – | 2008 | 2.48 | 15 | 20.90 | BINJPL LoMPLCDB |
5500 Twilley | FLO | 4.48 | 0.27+ | 1981 | 4.33 | 2.9554 | – | 2017 | 1.17+ | 7.8 | 17.556 | BINJPLLoMPLCDB |
5536 Honeycutt | – | 9.1 | 0.31 | 1955 | 8.7 | 3.583 | – | 2016 | 2.7 | 15 | 16.325 | BINJPL LoMPLCDB |
5674 Wolff | – | 6.04 | 0.8+ | 1986 | 4.72 | 93.7 | – | 2015 | 3.78+ | 30 | 93.696 | BINJPL LoMPLCDB |
5772 Johnlambert | – | 8 | 0.22+ | 1988 | 7.81 | 3.0782 | – | 2021 | 1.72+ | 14 | 17.98 | BINJPL LoMPLCDB |
5872 Sugano | – | 6.33 | 0.3+ | 1989 | 6.06 | 3.3642 | – | 2016 | 1.82+ | 11 | 18.84 | BINJPL LoMPLCDB |
5899 Jedicke | H | 2.67 | 0.32+ | 1986 | 2.54 | 2.748 | – | 2010 | 0.81 | 4.4 | 16.699 | BINJPL LoMPLCDB |
5905 Johnson | H | 4.79 | 0.40 | 1989 | 4.45 | 3.7824 | – | 2005 | 1.78 | 9.3 | 21.785 | BINJPL LoMPLCDB |
6009 Yuzuruyoshii | – | 10.32 | 0.29+ | 1990 | 9.91 | 3.03067 | – | 2021 | 2.87+ | 33 | 44.07 | BINJPL LoMPLCDB |
6016 Carnelli | – | 3.53 | 0.2 | 1991 | 3.46 | 2.8028 | – | 2016 | 0.69 | 7 | 21.331 | BINJPL LoMPLCDB |
6084 Bascom | – | 6.35 | 0.37 | 1985 | 5.96 | 2.745 | – | 2006 | 2.2 | 20 | 43.512 | BINJPL LoMPLCDB |
6100 Kunitomoikkansai | – | 4.06 | 0.38+ | 1991 | 3.8 | 4.3018 | – | 2016 | 1.44+ | 7 | 18.46 | BINJPL LoMPLCDB |
6181 Bobweber | – | 4.49 | – | 1986 | 4.49 | 2.75796 | – | 2008 | – | – | – | BINJPL LoMPLCDB |
6186 Zenon | – | 6 | 0.28 | 1988 | 5.8 | 2.6832 | – | 2017 | 1.6 | 9.1 | 14.393 | BINJPL LoMPLCDB |
6244 Okamoto | – | 6.89 | 0.25 | 1990 | 6.69 | 2.8958 | – | 2006 | 1.67 | 13 | 20.3208 | BINJPL LoMPLCDB |
6245 Ikufumi | – | 8.1 | 0.23 | 1990 | 7.89 | 2.9222 | – | 2018 | 1.89 | 13 | 15.44 | BINJPL LoMPLCDB |
(6265) 1985 TW3 | – | 4.95 | 0.24 | 1985 | 4.81 | 2.709 | – | 2007 | 1.16 | 8 | 15.8592 | BINJPL LoMPLCDB |
(6369) 1983 UC | FLO | 5.17 | 0.35 | 1983 | 4.9 | 2.9 | – | 2013 | 1.7 | 15– | 39.8 | BINJPL LoMPLCDB |
6384 Kervin | H | 3.74 | 0.3+ | 1989 | 3.6 | 3.6194 | – | 2015 | 1.1+ | 6.1 | 15.94 | BINJPL LoMPLCDB |
6615 Plutarchos | – | 3.14 | 0.25 | 1960 | 3.05 | 2.3247 | – | 2007 | 0.76 | 9.7 | 40.03 | BINJPL LoMPLCDB |
6708 Bobbievaile | – | 9.23 | 0.57+ | 1989 | 8.02 | 8.221 | – | 2009 | 4.57 | 19 | 24.696 | BINJPL LoMPLCDB |
7187 Isobe | H | 6.05 | 0.17 | 1992 | 5.96 | 4.2427 | – | 2012 | 1.01 | 16 | 33.1 | BINJPL LoMPLCDB |
7225 Huntress | – | 6.68 | 0.21 | 1983 | 6.54 | 2.4400 | – | 2007 | 1.37 | 10 | 14.6712 | BINJPL LoMPLCDB |
7307 Takei | – | 10.1 | 0.24+ | 1994 | 9.8 | 2.74685 | – | 2021 | 2.6 | 19 | 20.0064 | BINJPLLoMPLCDB |
7344 Summerfield | – | 6.25 | – | 1992 | 6.25 | – | – | 2017 | – | – | – | BINJPL LoMPLCDB |
7393 Luginbuhl | FLO | 5.47 | 0.4+ | 1984 | 5.08 | 2.68763 | – | 2017 | 2.03+ | 16 | 39.4224 | BINJPL LoMPLCDB |
(7792) 1995 WZ3 | – | 7.45 | – | 1995 | 7.45 | 3.16001 | – | 2021 | – | – | – | BINJPL LoMPLCDB |
7958 Leakey | H | 2.94 | 0.30 | 1994 | 2.82 | 2.34843 | – | 2012 | 0.85 | 10 | 50.28 | BINJPL LoMPLCDB |
8026 Johnmckay | H | 1.69 | – | 1991 | 1.69 | 372 | – | 2010 | – | – | – | BINJPL LoMPLCDB |
8077 Hoyle | – | 12 | – | 1986 | 12 | 2.7454 | – | 2000 | – | – | – | BINJPL LoMPLCDB |
8116 Jeanperrin | FLO | 4.77 | 0.33+ | 1996 | 4.53 | 3.6169 | – | 2007 | 1.49 | 13 | 36.144 | BINJPL LoMPLCDB |
8306 Shoko | FLO | 3.46 | 0.40+ | 1995 | 3.21 | 3.350 | – | 2013 | 1.28 | 9.4 | 36.192 | BINJPL LoMPLCDB |
8474 Rettig | FLO | 6 | 0.86+ | 1985 | 4.5 | 30.54 | – | 2015 | 3.9+ | 14 | 30.54 | BINJPL LoMPLCDB |
9069 Hovland | H | 3.13 | 0.30+ | 1993 | 3 | 4.2175 | – | 2004 | 0.9 | 7.8 | 30.336 | BINJPL LoMPLCDB |
9260 Edwardolson | – | 4.12 | 0.27 | 1953 | 3.98 | 3.0852 | – | 2005 | 1.07 | 7.2 | 17.784 | BINJPL LoMPLCDB |
(9332) 1990 SB1 | EUN | 6.18 | 0.26 | 1990 | 5.98 | 2.98701 | – | 2019 | 1.55 | 21 | 48.84 | BINJPLLoMPLCDB |
9617 Grahamchapman | FLO | 2.84 | 0.27 | 1993 | 2.74 | 2.2856 | – | 2006 | 0.74 | 5.2 | 19.3848 | BINJPL LoMPLCDB |
9783 Tensho-kan | – | 5.33 | 0.35 | 1994 | 5.1 | 2.9 | – | 2013 | 1.8 | 13– | 29.568 | BINJPL LoMPLCDB |
9972 Minoruoda | – | 9.1 | – | 1993 | – | – | – | 2017 | – | – | – | BINJPL LoMPLCDB |
10123 Fideöja | – | 3.48 | 0.35 | 1993 | 3.3 | 2.87 | – | 2013 | 1.2 | 13– | 56.448 | BINJPL LoMPLCDB |
10132 Lummelunda | – | 3.589 | 0.28+ | 1993 | 3.46 | 2.5099 | – | 2017 | 0.97+ | 7.3 | 22.44 | BINJPL LoMPLCDB |
10208 Germanicus | FLO | 3.55 | 0.46 | 1997 | 3.23 | 3.34825 | – | 2007 | 1.48 | 13 | 58.56 | BINJPL LoMPLCDB |
(11217) 1999 JC4 | H | 3.3 | – | 1999 | 3.3 | 4.8219 | – | 2013 | – | 6.2 | 19.1712 | BINJPL LoMPLCDB |
11227 Ksenborisova | – | 2.6 | – | 1999 | 2.6 | 2.61679 | – | 2017 | – | – | – | BINJPL LoMPLCDB |
11264 Claudiomaccone | – | 4.2 | 0.31+ | 1979 | 4- | 3.1872 | – | 2005 | 1.24+ | 6 | 15.1104 | BINJPL LoMPLCDB |
12326 Shirasaki | FLO | 3.8 | 0.24 | 1992 | 3.7 | 2.7286 | – | 2016 | 0.9 | 8.4 | 25.056 | BINJPL LoMPLCDB |
13123 Tyson | PHO | 10.87 | – | 1994 | 10.87 | 3.3303 | – | 2015 | – | – | – | BINJPL LoMPLCDB |
15107 Toepperwein | FLO | 2.86 | 0.19+ | 2000 | 2.81 | 2.5327 | – | 2021 | 0.53+ | 5.4 | 19.6032 | BINJPLLoMPLCDB |
15268 Wendelinefroger | NYS | 3.97 | 0.27+ | 1990 | 3.83 | 2.4224 | – | 2008 | 1.03 | 8.7 | 25.08 | BINJPL LoMPLCDB |
(15430) 1998 UR31 | – | 3.74 | – | 1998 | 3.74 | 2.5273 | – | 2010 | – | 8.2 | 23.9592 | BINJPL LoMPLCDB |
15822 Genefahnestock | H | 1.72 | 0.19+ | 1994 | 1.69 | 2.96 | – | 2010 | 0.32 | 3.3 | 20.1312 | BINJPL LoMPLCDB |
16525 Shumarinaiko | NYS | 5.25 | 0.16+ | 1991 | 5.18 | 2.5932 | – | 2013 | 0.83 | 8.1 | 14.4096 | BINJPL LoMPLCDB |
(16694) 1995 AJ | FLO | 4.06 | 0.23+ | 1995 | 3.96 | 3.6421 | – | 2020 | 0.91+ | 9 | 25.2792 | BINJPLLoMPLCDB |
17081 Jaytee | – | 4.52 | 0.26+ | 1999 | 4.37 | 2.8818 | – | 2021 | 1.137+ | 7.5 | 16.34 | BINJPL LoMPLCDB |
17246 Christophedumas | KOR | 4.61 | 0.222 | 2000 | 4.5 | 5+ | S/2004 (17246) 1[40] | 2004 | 1 | 228 | 2160 | BINJPL LoMPLCDB |
17260 Kušnirák | – | 4.77 | 0.26 | 2000 | 4.62 | 3.1287 | – | 2006 | 1.2 | 7.4 | 14.7576 | BINJPL LoMPLCDB |
17700 Oleksiygolubov | – | 3.45 | 0.31+ | 1997 | 3.29 | 3.8382 | – | 2018 | 1.02+ | 5.4 | 15.49 | BINJPL LoMPLCDB |
(18303) 1980 PU | – | 4.38 | 0.24 | 1980 | 4.3 | 2.72627 | – | 2019 | 1 | 6.1 | 12.27 | BINJPLLoMPLCDB |
(18503) 1996 PY4 | PHO | 3.529 | 0.24+ | 1996 | 3.43 | 3.4391 | – | 2021 | 0.82+ | 6.7 | 19.904 | BINJPL LoMPLCDB |
(18527) 1996 VJ30 | V | 3.35 | 0.32 | 1996 | 3.19 | 3.3529 | – | 2018 | 1.02 | 6 | 19.07 | BINJPL LoMPLCDB |
(18890) 2000 EV26 | H | 4 | 0.27+ | 2000 | 3.86 | 3.8216 | – | 2014 | 1.04+ | 6 | 14.2896 | BINJPL LoMPLCDB |
20325 Julianoey | – | 4.94 | 0.3 | 1998 | 4.73 | 3.24474 | – | 2014 | 1.42 | 10 | 23.5 | BINJPL LoMPLCDB |
20882 Paulsánchez | NYS | 4.4 | – | 2000 | 4.4 | 2.5586 | – | 2018 | – | 12 | 32.810 | BINJPL LoMPLCDB |
21436 Chaoyichi | – | 1.95 | – | 1998 | 1.8 | 2.87 | – | 2014 | 0.6 | 0.35 | – | BINJPL LoMPLCDB |
21527 Horton | EUN | 4.99 | 0.21+ | 1998 | 4.88 | 2.76762 | – | 2019 | 1.02+ | 8.7 | 17.44 | BINJPLLoMPLCDB |
22899 Alconrad | KOR | 5.68 | 0.222 | 1999 | 5.54 | 4.03 | Juliekaibarreto S/2003 (22899) 1 | 2003 | 1.23 | 182 | 1344 | BINJPL LoMPLCDB |
(24106) 1999 VA12 | – | – | – | 1999 | – | – | – | 2020 | – | – | – | BINJPL LoMPLCDB |
(24465) 2000 SX155 | H | 3.18 | 0.22+ | 2000 | 3.1 | 2.66087 | – | 2016 | 0.68 | 3.6 | 9.252 | BINJPL LoMPLCDB |
25015 Lairdclose | FLO | 2.899 | – | 1998 | 2.9 | – | – | 2018 | – | – | – | BINJPL LoMPLCDB |
25021 Nischaykumar | – | 2.1 | 0.28 | 1998 | 2 | 2.5344 | – | 2019 | 0.56 | n.a. | 23.496 | BINJPL LoMPLCDB |
(26416) 1999 XM84 | – | 4.56 | – | 1999 | 4.56 | 2.907 | – | 2015 | – | – | – | BINJPL LoMPLCDB |
(26420) 1999 XL103 | – | 2.02 | 0.34+ | 1999 | 1.91 | 3.2 | – | 2019 | 0.65+ | n.a. | 23.899 | BINJPL LoMPLCDB |
(27568) 2000 PT6 | H | 1.82 | – | 2000 | 1.82 | 3.4885 | – | 2013 | – | 3.1 | 16.356 | BINJPL LoMPLCDB |
27675 Paulmaley | PHO | 5.09 | – | 1981 | 5.09 | – | – | 2017 | – | – | – | BINJPL LoMPLCDB |
31450 Stevepreston | – | 10.62 | 0.22 | 1999 | 10.4 | 3.4116 | – | 2015 | 2.3 | 39 | 53.47 | BINJPL LoMPLCDB |
32008 Adriángalád | – | 4.56 | 0.4+ | 2000 | 4.23 | 3.0171 | – | 2007 | 1.69 | 13 | 40.25 | BINJPL LoMPLCDB |
(38079) 1999 HF | PHO | 3.4 | – | 1999 | 3.4 | 16.675 | – | 2020 | – | – | – | BINJPL LoMPLCDB |
(43008) 1999 UD31 | – | 2.5 | 0.35 | 1999 | 2.4 | 2.9 | – | 2014 | 0.8 | – | – | BINJPL LoMPLCDB |
(44620) 1999 RS43 | – | 2.62 | 0.35 | 1999 | 0.66 | 2.9 | – | 2014 | 0.2 | 2 | – | BINJPL LoMPLCDB |
46829 McMahon | – | 3.3 | 0.4 | 1998 | 3.06 | 2.6236 | – | 2015 | 1.22 | 5.4 | 16.833 | BINJPL LoMPLCDB |
52316 Daveslater | H | 3.3 | 0.16+ | 1992 | 3.26 | 2.7629 | – | 2012 | 0.52 | 4.9 | 13.44 | BINJPL LoMPLCDB |
(57202) 2001 QJ53 | – | 2.2 | 0.25+ | 2001 | 2.2 | 2.44482 | – | 2017 | 0.5+ | 5 | 24 | BINJPL LoMPLCDB |
69406 Martz-Kohl | H | 3.18 | 0.19+ | 1995 | 3.12 | 4.486 | – | 2013 | 0.59 | 5.3 | 16.11 | BINJPL LoMPLCDB |
(72036) 2000 XM44 | PHO | 2.7 | 0.25+ | 2000 | 2.62 | 2.582 | – | 2019 | 0.66+ | 4.9 | 18.77 | BINJPL LoMPLCDB |
76818 Brianenke | H | 3.84 | 0.37 | 2000 | 3.6 | 3.166 | – | 2005 | 1.33 | 5.6 | 14.12 | BINJPL LoMPLCDB |
79472 Chiorny | H | 3.79 | 0.32 | 1998 | 3.79 | 2.8802 | – | 2012 | – | 9 | 25.94 | BINJPL LoMPLCDB |
(80218) 1999 VO123 | – | 1.58 | 0.3 | 1999 | 0.28 | 2.9 | – | 2012 | 0.08 | 0.9 | 33.1 | BINJPL LoMPLCDB |
152830 Dinkinesh | FLO | 0.82 | 0.28 | 1999 | 0.76 | 52.67 ± 0.04 | Selam Dinkinesh I | 2023 | 0.22 | ? | ? | BINJPL LoMPLCDB |
(300163) 2006 VW139 | – | 2.6 | 1 | 2006 | 1.8 | – | – | 2011 | 1.8 | 104 | 3360 | BINJPL LoMPLCDB |
The following binaries aredouble asteroids, with similarly sized components, and abarycenter outside of the larger object.
In addition, these bodies might bedouble asteroids, but due to errors in their size and orbit, it is uncertain.
This is a list ofJupiter trojans with companions.[1] Candidate binaries with an unconfirmed status are displayed on a dark background.[25] For an overview, seesummary andintroduction.
System | Primary | Secondary | Refs | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Designation | Class | De (km) | s/p-ratio | YOD | Dp (km) | RTp (hours) | Designation | YOD | Ds (km) | as (km) | Ps (hours) | |
617 Patroclus | L5 | 145 | 0.924 | 1906 | 106 | 102.79 | Menoetius(Patroclus I) | 2001 | 98 | 680 | 102.792 | BINJPLLoMPLCDB |
624 Hektor | L4 | 250 | 0.048 | 1907 | 184 | 6.921 | Skamandrios(Hektor I) | 2006 | 12 | 957.5 | 71.162 | BINJPLLoMPLCDB |
3548 Eurybates | L4 | 63.9 | 0.013 | 1973 | 63.9 | 8.711 | Queta(Eurybates I) | 2018 | 0.8 | 2310 | 1982.4 | BINJPLLoMPLCDB |
16974 Iphthime | L4 | 57.3 | 0.767 | 1998 | 45.5 | 78.9 | – | 2013 | 34.9 | 179 | 78.96 | BINJPLLoMPLCDB |
17365 Thymbraeus | L5 | 42.6 | 0.843 | 1978 | 32.6 | 12.672 | – | 2005 | 27.5 | 43 | 12.672 | BINJPLLoMPLCDB |
29314 Eurydamas | L5 | 40 | 0.737 | 1994 | 32 | 15.035 | – | 2005 | 24 | 41 | 15.036 | BINJPLLoMPLCDB |
15094 Polymele | L4 | 1999 | 21 | Shaun (temporary designation)[47] | 2022 |
This is a list oftrans-Neptunian objects with companions.[1] Candidate binaries with an unconfirmed status are displayed on a dark background.[25] This list gives the companion's orbital period (Ps) in days rather than hours. For an overview, seesummary andintroduction.
System | Primary | Secondary | Refs | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Designation | Class | De (km) | s/p-ratio | YOD | Dp (km) | RTp (hours) | Designation | YOD | Ds (km) | as (km) | Ps (days) | |
(26308) 1998 SM165 | 1:2 | 280 | 0.302 | 1998 | 268 | 8.4 | – | 2001 | 81 | 11377 | 130.158 | BINJPLLoMPLCDB |
38628 Huya | PLU | 458 | 0.525 | 2000 | 406 | 5.28 | Satellite of (38628) Huya | 2012 | 213 | 1740 | 3.2 | BINJPLLoMPLCDB |
42355 Typhon | SDO | 185 | 0.55 | 2002 | 162 | 9.67 | Echidna (Typhon I) | 2006 | 89 | 1580 | 18.982 | BINJPLLoMPLCDB |
47171 Lempo | PLU | 393 | 0.486 0.927 | 1999 | 272 | 45.763 | Paha (Lempo I) | 2001 | 132 | 7411 | 50.3 | BINJPLLoMPLCDB |
Hiisi (Lempo II) | 2007 | 251 | 867 | 1.907 | ||||||||
(48639) 1995 TL8 | SDO | 194 | 0.457 | 1995 | 176 | – | – | 2002 | 80 | 420 | 1.4 | BINJPLLoMPLCDB |
50000 Quaoar | CUB | 1074 | 0.076 | 2002 | 1070 | 8.839 | Weywot (Quaoar I) | 2006 | 81 | 13800 | 12.26 | BINJPLLoMPLCDB |
(55637) 2002 UX25 | CUB | 697 | 0.316 | 2002 | 665 | 14.382 | – | 2007 | 210 | 4770 | 8.309 | BINJPLLoMPLCDB |
58534 Logos | CUB | 106 | 0.766 | 1997 | 82 | – | Zoe (Logos I) | 2001 | 67 | 8217 | 309.87 | BINJPLLoMPLCDB |
(60458) 2000 CM114 | SDO | 211 | 0.769 | 2000 | 167 | – | – | 2006 | 128 | 2200 | 15 | BINJPLLoMPLCDB |
(60621) 2000 FE8 | 2:5 | 183 | 0.759 | 2000 | 146 | – | – | 2007 | 111 | 1180 | 7.5 | BINJPLLoMPLCDB |
65489 Ceto | SDO | 281 | 0.764 | 2003 | 223 | 4.43 | Phorcys (Ceto I) | 2006 | 171 | 1840 | 9.554 | BINJPLLoMPLCDB |
66652 Borasisi | CUB | 163 | 0.817 | 1999 | 126 | 6.4 | Pabu (Borasisi I) | 2003 | 103 | 4528 | 46.2888 | BINJPLLoMPLCDB |
79360 Sila–Nunam | CUB | 343 | 0.944 | 1997 | 249 | 300.2388 | Nunam | 2002 | 236 | 2777 | 12.51 | BINJPLLoMPLCDB |
(80806) 2000 CM105 | CUB | 201 | 0.759 | 2000 | 160 | – | – | 2002 | 121 | 2700 | 23 | BINJPLLoMPLCDB |
(82075) 2000 YW134 | 3:8 | 229 | 0.347 | 2000 | 216 | – | – | 2002 | 75 | 1900 | 10 | BINJPLLoMPLCDB |
(82157) 2001 FM185 | CUB | 183 | 0.867 | 2001 | 138 | – | – | 2008 | 120 | 3130 | 33 | BINJPLLoMPLCDB |
88611 Teharonhiawako | CUB | 220 | 0.724 | 2001 | 178 | 9.505 | Sawiskera (Teharonhiawako I) | 2001 | 129 | 27670 | 828.76 | BINJPLLoMPLCDB |
90482 Orcus | PLU | 958 | 0.31 | 2004 | 917 | 13.18841 | Vanth (Orcus I) | 2005 | 442 | 9006 | 9.539 | BINJPLLoMPLCDB |
(119067) 2001 KP76 | CUB | 211 | 0.955 | 2001 | 153 | – | – | 2007 | 146 | 8900 | 130 | BINJPLLoMPLCDB |
(119979) 2002 WC19 | 1:2 | 461 | 0.316 | 2002 | 440 | – | – | 2006 | 139 | 4090 | 8.403 | BINJPLLoMPLCDB |
120347 Salacia | CUB | 901 | 0.344 | 2004 | 854 | 6.5 | Actaea (Salacia I) | 2006 | 286 | 5619 | 5.4938 | BINJPLLoMPLCDB |
(123509) 2000 WK183 | CUB | 146 | 0.951 | 2000 | 106 | – | – | 2005 | 101 | 2366 | 30.917 | BINJPLLoMPLCDB |
134340 Pluto | PLU | 2376 | 0.511 0.018 0.016 0.012 0.0025 | 1930 | 2380 | 153.2935 | Charon (Pluto I) | 1978 | 1212 | 19573 | 6.3872 | BINJPLLoMPLCDB |
Nix (Pluto II) | 2005 | 38 | 48694 | 24.8546 | ||||||||
Hydra (Pluto III) | 2005 | 39 | 64738 | 38.2018 | ||||||||
Kerberos (Pluto IV) | 2011 | 13 | 57783 | 32.1676 | ||||||||
Styx (Pluto V) | 2012 | 11 | 42656 | 20.1616 | ||||||||
(134860) 2000 OJ67 | CUB | 175 | 0.783 | 2000 | 138 | – | – | 2003 | 108 | 2270 | 22.0584 | BINJPLLoMPLCDB |
136108 Haumea | HAU | 1425 | 0.232 0.116 | 2003 | 1379 | 3.9154 | Hiʻiaka (Haumea I) | 2005 | 320 | 49880 | 49.462 | BINJPLLoMPLCDB |
Namaka (Haumea II) | 2005 | 170 | 25657 | 18.2783 | ||||||||
136199 Eris | SDO | 2326 | 0.301 | 2003 | 2326 | 378.6 | Dysnomia (Eris I) | 2005 | 700 | 37460 | 15.7859 | BINJPLLoMPLCDB |
136472 Makemake | CUB | 1440 | 0.122 | 2005 | 1430 | 7.771 | S/2015 (136472) 1 | 2015 | 130 | 21100+ | 12.4 | BINJPLLoMPLCDB |
(139775) 2001 QG298 | PLU | 179 | 0.867 | 2001 | 135 | 13.7744 | – | 2003 | 117 | 172 | 0.5739 | BINJPLLoMPLCDB |
148780 Altjira | CUB | 331 | 0.899 | 2001 | 246 | – | – | 2006 | 221 | 9904 | 139.56 | BINJPLLoMPLCDB |
(160091) 2000 OL67 | CUB | 74 | 0.759 | 2000 | 153 | – | – | 2007 | 56 | 7695 | 347.085 | BINJPLLoMPLCDB |
(160256) 2002 PD149 | CUB | 242 | 0.832 | 2002 | 186 | – | – | 2007 | 155 | 24400 | 470 | BINJPLLoMPLCDB |
174567 Varda | CUB | 792 | 0.513 | 2003 | 705 | 5.91 | Ilmarë (Varda I) | 2009 | 361 | 4800 | 5.7508 | BINJPLLoMPLCDB |
(182933) 2002 GZ31 | SDO | 231 | 0.631 | 2002 | 195 | – | – | 2006 | 123 | 2060 | 12 | BINJPLLoMPLCDB |
(208996) 2003 AZ84 | PLU | 727 | 0.1 | 2003 | 723 | 13.44 | – | 2005 | 72 | 7200 | 12 | BINJPLLoMPLCDB |
225088 Gonggong | 3:10 | 1230 | 0.2 | 2007 | 1535 | 44.81 | Xiangliu (Gonggong I) | 2010 | 95 | 15000 | 6 | BINJPLLoMPLCDB |
229762 Gǃkúnǁʼhòmdímà | SDO | 599 | 0.175 | 2007 | 590 | 11.05 | Gǃòʼé ǃHú (Gǃkúnǁʼhòmdímà I) | 2008 | 71 | 3600 | 5.9 | BINJPLLoMPLCDB |
(275809) 2001 QY297 | CUB | 229 | 0.912 | 2001 | 169 | 11.68 | – | 2006 | 154 | 9960 | 138.11 | BINJPLLoMPLCDB |
(303712) 2005 PR21 | CUB | 265 | 0.603 | 2005 | 227 | – | – | 2007 | 137 | 3600 | 22 | BINJPLLoMPLCDB |
341520 Mors–Somnus | PLU | 141 | 0.955 | 2007 | 102 | 9.28 | Somnus | 2007 | 97 | 21040 | 971.7 | BINJPLLoMPLCDB |
(364171) 2006 JZ81 | CUB | 145 | 0.637 | 2006 | 122 | – | – | 2006 | 78 | 33000 | 1500 | BINJPLLoMPLCDB |
385446 Manwë | 4:7 | 185 | 0.58 | 2003 | 160 | – | Thorondor (Manwë I) | 2006 | 92 | 6674 | 110.176 | BINJPLLoMPLCDB |
(469420) 2001 XP254 | 3:5 | 133 | 0.711 | 2001 | 108 | – | – | 2008 | 77 | 1200 | 12 | BINJPLLoMPLCDB |
(469505) 2003 FE128 | 1:2 | 221 | 0.735 | 2003 | 178 | 5.85 | – | 2010 | 131 | 2140 | 14 | BINJPLLoMPLCDB |
(469509) 2003 HC57 | CUB | 306 | 0.95 | 2003 | 222 | – | – | 2020 | 211 | 1960 | – | BINJPLLoMPLCDB |
(469514) 2003 QA91 | CUB | 260 | 0.955 | 2003 | 188 | – | – | 2006 | 180 | 1900 | 9.1 | BINJPLLoMPLCDB |
(469610) 2004 HF79 | CUB | 242 | 0.81 | 2004 | 188 | – | – | 2019 | 153 | 3820 | 29 | BINJPLLoMPLCDB |
469705 ǂKá̦gára | CUB | 174 | 0.762 | 2005 | 138 | 9.65 | ǃHãunu (ǂKá̦gára I) | 2009 | 105 | 7700 | 128.11 | BINJPLLoMPLCDB |
(505447) 2013 SQ99 | CUB | 231 | 0.81 | 2013 | 180 | – | – | 2017 | 146 | 13300 | 200 | BINJPLLoMPLCDB |
(505476) 2013 UL15 | CUB | 212 | 0.79 | 2013 | 166 | – | – | 2019 | 131 | 5370 | 59 | BINJPLLoMPLCDB |
(506121) 2016 BP81 | CUB | 253 | 0.90 | 2016 | 188 | 6.85 | – | 2017 | 169 | 11300 | 140 | BINJPLLoMPLCDB |
(508788) 2000 CQ114 | CUB | 175 | 0.871 | 2000 | 132 | – | – | 2003 | 115 | 6930 | 220.7 | BINJPLLoMPLCDB |
(508869) 2002 VT130 | CUB | 324 | 0.817 | 2002 | 251 | – | – | 2008 | 205 | 2490 | 9.8 | BINJPLLoMPLCDB |
(511551) 2014 UD225 | CUB | 201 | 0.35 | 2013 | 190 | – | – | 2017 | 66 | 21400 | 460 | BINJPLLoMPLCDB |
(523624) 2008 CT190 | SDO | 350 | 0.83 | 2008 | 270 | – | – | 2012 | 220 | 1300 | 3.3 | BINJPLLoMPLCDB |
(523764) 2014 WC510 | PLU | 227 | 0.76 | 2011 | 181 | – | – | 2018 | 138 | 349 | 0.87 | BINJPLLoMPLCDB |
(523983) 1999 RY214 | CUB | 146 | 0.605 | 1999 | 125 | – | – | 2008 | 76 | 1500 | 15 | BINJPLLoMPLCDB |
(524217) 2001 RZ143 | CUB | 140 | 0.832 | 2001 | 108 | – | – | 2001 | 90 | 1560 | 17 | BINJPLLoMPLCDB |
(524366) 2001 XR254 | CUB | 221 | 0.826 | 2001 | 171 | – | – | 2006 | 140 | 9310 | 125.58 | BINJPLLoMPLCDB |
(524531) 2002 XH91 | CUB | 350 | 0.619 | 2002 | 298 | – | – | 2008 | 185 | 19900 | 190 | BINJPLLoMPLCDB |
(525462) 2005 EO304 | CUB | 171 | 0.513 | 2005 | 152.4 | – | – | 2005 | 78 | 69800 | 3579 | BINJPLLoMPLCDB |
(532037) 2013 FY27 | SDO | 765 | 0.25 | 2013 | 740 | – | – | 2018 | 190 | 9800 | 15 | BINJPLLoMPLCDB |
1998 WV24 | CUB | 146 | 0.871 | 1998 | 110 | – | – | 2007 | 96 | 1420 | 14 | BINJPLuTNOLCDB |
1998 WW31 | CUB | 192 | 0.833 | 1998 | 148 | – | S/2000 (1998 WW31) 1[48] | 2000 | 123 | 22620 | 587.3 | BINJPLuTNOLCDB |
(612095) 1999 OJ4 | CUB | 104 | 0.96 | 1999 | 75 | – | – | 2002 | 72 | 3267 | 84.12 | BINJPLLoMPLCDB |
1999 RT214 | CUB | 121 | 0.689 | 1999 | 100 | – | – | 2006 | 69 | 3310 | 64 | BINJPLuTNOLCDB |
(612141) 1999 XY143 | CUB | 278 | 0.839 | 1999 | 213 | – | – | 2008 | 179 | 2670 | 14 | BINJPLLoMPLCDB |
(612147) 2000 CF105 | CUB | 81 | 0.78 | 2000 | 63.6 | – | – | 2002 | 50 | 33300 | 3989 | BINJPLLoMPLCDB |
(612176) 2000 QL251 | 1:2 | 206 | 0.967 | 2000 | 148 | – | – | 2006 | 143 | 5002 | 56.451 | BINJPLLoMPLCDB |
(612203) 2000 WT169 | CUB | 265 | 0.82 | 2000 | 205 | – | – | 2008 | 168 | 2600 | 14 | BINJPLLoMPLCDB |
2001 FL185 | CUB | 167 | 0.617 | 2001 | 142 | – | – | 2006 | 88 | 1900 | 17 | BINJPLuTNOLCDB |
(612239) 2001 QC298 | CUB | 303 | 0.817 | 2001 | 235 | 7.78 | – | 2002 | 192 | 3813 | 19.23 | BINJPLLoMPLCDB |
(612242) 2001 QQ322 | CUB | 231 | 0.912 | 2001 | 171 | – | – | 2007 | 156 | 3890 | 32 | BINJPLLoMPLCDB |
2001 QW322 | CUB | 180 | 0.986 | 2001 | 128 | – | – | 2001 | 126 | 102100 | 6280 | BINJPLuTNOLCDB |
2002 VF130 | CUB | 160 | 0.867 | 2002 | 121 | – | – | 2008 | 105 | 22400 | 760 | BINJPLuTNOLCDB |
(612549) 2003 HG57 | CUB | 221 | 1 | 2003 | 156 | – | – | 2010 | 156 | 13200 | 210 | BINJPLLoMPLCDB |
2003 QY90 | CUB | 114 | 0.986 | 2003 | 81 | 3.4 | – | 2003 | 80 | 8549 | 309.7 | BINJPLuTNOLCDB |
(612578) 2003 QR91 | CUB | 280 | 0.912 | 2003 | 207 | – | – | 2007 | 189 | 1790 | 7.5 | BINJPLLoMPLCDB |
2003 TJ58 | CUB | 83 | 0.787 | 2003 | 65 | – | – | 2006 | 51 | 3840 | 137.68 | BINJPLuTNOLCDB |
(612687) 2003 UN284 | CUB | 149 | 0.667 | 2003 | 124 | – | – | 2003 | 83 | 54000 | 3180 | BINJPLLoMPLCDB |
(612719) 2003 WU188 | CUB | 220- | 0.724 | 2003 | 178 | – | – | 2007 | 129 | 1300 | 6.5 | BINJPLLoMPLCDB |
2003 YS179 | CUB | 167 | 0.871 | 2003 | 126 | – | – | 2008 | 110 | 7830 | 150 | BINJPLuTNOLCDB |
(612733) 2003 YU179 | CUB | 167 | 0.55 | 2003 | 146 | – | – | 2008 | 80 | 2000 | 18 | BINJPLLoMPLCDB |
2004 HD79 | CUB | 319 | 0.85 | 2004 | 243 | 8+ | – | 2019 | 206 | 2780 | 12 | BINJPLLCDB |
2004 HK79 | CUB | 183 | 1.0 | 2004 | 129 | – | – | 2019 | 129 | 3600 | 41 | BINJPLLCDB |
2004 KB19 | PLU | 146 | 0.95 | 2004 | 105 | – | – | 2012 | 100 | 3400 | 53 | BINJPLuTNOLCDB |
2004 KE19 | CUB | 221 | 0.67 | 2004 | 184 | – | – | 2019 | 123 | 4110 | 36 | BINJPLLCDB |
2004 KH19 | CUB | 221 | 0.721 | 2004 | 179 | – | – | 2011 | 129 | 13000 | 210 | BINJPLuTNOLCDB |
2004 MU8 | CUB | 175 | 0.89 | 2004 | 131 | 2.5+ | – | 2019 | 116 | 5840 | 89 | BINJPLLCDB |
2004 PB108 | CUB | 277 | 0.544 | 2004 | 243 | – | – | 2006 | 132 | 10400 | 97.02 | BINJPLuTNOLCDB |
2004 PV117 | CUB | 221 | 0.44 | 2004 | 203 | – | – | 2019 | 89 | 6800 | 73 | BINJPLLCDB |
2004 PW117 | CUB | 242 | 0.72 | 2004 | 196 | – | – | 2019 | 141 | 23190 | 430 | BINJPLLCDB |
2004 PX117 | CUB | 221 | 0.81 | 2004 | 172 | – | – | 2019 | 139 | 5940 | 64 | BINJPLLCDB |
2005 GD187 | CUB | 160 | 0.832 | 2005 | 123 | – | – | 2009 | 102 | 7600 | 150 | BINJPLuTNOLCDB |
2005 VZ122 | CUB | 133 | 0.398 | 2005 | 124 | – | – | 2008 | 49 | 2300 | 30 | BINJPLuTNOLCDB |
2006 BR284 | CUB | 114 | 0.794 | 2006 | 89.8 | – | – | 2006 | 71 | 25300 | 1501 | BINJPLuTNOLCDB |
2006 CH69 | CUB | 129 | 0.817 | 2006 | 100 | – | – | 2004 | 82 | 27000 | 1420 | BINJPLuTNOLCDB |
2006 JV58 | CUB | 211 | 0.76 | 2006 | 168 | – | – | 2019 | 127 | 4340 | 43 | BINJPLLCDB |
2006 SF369 | 1:3 | 201 | 0.977 | 2006 | 144 | – | – | 2007 | 141 | 3120 | 28 | BINJPLuTNOLCDB |
(671468) 2014 LQ28 | CUB | 320 | 0.83 | 2014 | 250 | – | – | 2016 | 210 | 24000 | 290 | BINJPLLoMPLCDB |
2014 OS393 | ||||||||||||
2015 QL14 | CUB | 180 | 0.9 | 2015 | 130 | – | – | 2017 | 120 | 52000 | 2300 | BINJPLuTNOLCDB |
2015 RB280 | CUB | 134 | 0.76 | 2015 | 107 | – | – | 2019 | 81 | 6700 | 160 | BINJPLLCDB |
2015 RP280 | CUB | 154 | 0.76 | 2015 | 123 | – | – | 2019 | 93 | 5080 | 86 | BINJPLLCDB |
2015 RT245 | CUB | 222 | 0.95 | 2015 | 161 | – | – | 2019 | 153 | 14680 | 250 | BINJPLLCDB |
2015 VM173 | CUB | 265 | 0.87 | 2015 | 200 | – | – | 2019 | 174 | 5290 | 41 | BINJPLLCDB |
2015 VW168 | CUB | 106 | 0.76 | 2015 | 84 | – | – | 2019 | 64 | 5960 | 190 | BINJPLLCDB |
HST5 | – | 190 | 1 | 2005 | 135 | – | n.a. | 2005 | 135 | 16400 | 1000 | BIN — |