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List of missions to minor planets

From Wikipedia, the free encyclopedia

List of missions to minor planets is a listing of spaceflight missions tominor planets, which are category of astronomical body that excludes planets, moons and comets, but orbit the Sun. Most missions to minor planets have been to asteroids or dwarf planets.

An artist's impression ofNew Horizons'close encounter with the Plutonian system

Spacecraft visits to minor planets have mostly been flybys, and have ranged from dedicated missions to incidental flybys and targets of opportunity for spacecraft that have already completed their missions. The first spacecraft to visit an asteroid wasPioneer 10, which flew past an unnamed asteroid on 2 August 1972; a distant incidental encounter while the probe was en route toJupiter. The first dedicated mission wasNEAR Shoemaker, which was launched in February 1996, and entered orbit around433 Eros in February 2000, having first flown past253 Mathilde.NEAR was also the first spacecraft to land on an asteroid, surviving what was intended to be an impact with Eros at 20:01 on 12 February 2001 at the planned end of its mission. As a result of its unexpected survival, the spacecraft's mission was extended until 1 March to allow data to be collected from the surface.

Missions

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There have been thirty-three overall missions towards minor planets, with four of them being flyby missions that were not intended to explore minor planets, marked in grey background.[1][2]

Many minor planets are in two domains:

MissionSpacecraftLaunch dateCarrier rocketOperatorDestinationMission typeOutcome
Pioneer 10Pioneer 102 March 1972Atlas SLV-3C Centaur-DStar-37EUnited StatesNASAUnnamed asteroid[3]Flyby
307 Nike
Distant incidental flybys en route to Jupiter; closest approaches occurred on 2 August 1972 and 2 December 1972, respectively, with a distance of 8.8 million km (5.5 million mi).
Galileo projectGalileo18 October 1989Space Shuttle Atlantis
STS-34 /IUS
United StatesNASA951 GaspraFlybySuccessful
243 IdaSuccessful
Incidental flybys en route to Jupiter; flyby of 951 Gaspra occurred on 29 October 1991 with closest approach of 1,604 kilometres (997 mi) at 22:37 UTC; flyby of 243 Ida occurred on 28 August 1993 with closest approach of 2,410 kilometres (1,500 mi) at 16:51:59 UTC;[4] discoveredDactyl
1DSPSEClementine25 January 1994Titan II(23)GUnited StatesNASA1620 GeographosFlybySpacecraft failure
Attitude control failure; failed to leavegeocentric orbit after first phase of mission exploring theMoon. Flyby had been planned for August 1994[5]
2Discovery 1NEAR Shoemaker17 February 1996Delta II 7925United StatesNASA253 MathildeFlybySuccessful
433 ErosOrbiterMostly successful
Closest approach to Mathilde was 1,212 kilometres (753 mi) at 12:56 UTC on 27 June 1997. Three days before arrival at Eros the orbiter aborted a burn resulting in failure to enter orbit, instead flew past at 3,827 kilometres (2,378 mi) at 18:41:23 on 23 December 1998. Insertion reattempted successfully on 14 February 2000. Impacted asteroid at 20:01 on 12 February 2001 at end of mission, but survived impact and continued to operate on surface until 1 March.[6]
Cassini-HuygensCassini15 October 1997[1]Titan IV(401)B Centaur-T[7]United StatesNASA2685 MasurskyFlyby
Distant incidental flyby en route toSaturn; closest approach 1.5 million kilometres (0.9 million miles) at 09:58 UTC on 23 January 2000[8]
3New Millennium 1Deep Space 124 October 1998Delta II 7326United StatesNASA4015 Wilson–Harrington[9]FlybySpacecraft failure
9969 BraillePartial failure
Spacecraft was unable to reach Wilson–Harrington due toion engine operation being suspended while a problem with the probe'sstar tracker was investigated.[10] Braille flyby added to mission following loss of ability to reach Wilson–Harrington. Closest approach 28.3 kilometres (17.6 mi) at 04:46 UTC[10] on 29 July 1999. Intended to pass within 14 kilometres (8.7 mi) but this was not achieved due to a computer failure; poor-quality images returned as a result.[11]
4Discovery 4Stardust7 February 1999Delta II 7426United StatesNASA5535 Annefrank[12]FlybySuccessful
Closest approach of 3,079 kilometres (1,913 mi) at 04:50:20 UTC on 2 November 2002.
5Hayabusa (formerly: MUSES-C)Hayabusa9 May 2003M-VJapanJAXA25143 ItokawaOrbiter/Lander/Sample returnerSuccessful
MINERVALanderFailure
First asteroid sample return mission. Reached Itokawa on 12 September 2005, landed briefly on 19 and 25 November, collected samples, missed return window due to communications outage, finally returned to Earth on 13 June 2010.MINERVA deployable lander was deployed fromHayabusa on 12 November 2005 but was accidentally released whileHayabusa was moving away from Itokawa; reachedescape velocity and drifted off intoheliocentric orbit
6Cornerstone 3Rosetta2 March 2004Ariane 5G+ESA2867 ŠteinsFlybySuccessful
21 LutetiaSuccessful
Philae67P/Churyumov–GerasimenkoLanderSuccessful
Closest approach of Šteins at 800 kilometres (500 mi) on 5 September 2008. Closest approach of Lutetia at 3,162 kilometres (1,965 mi) on 10 July 2010. Rendezvous with Churyumov–Gerasimenko 6 August 2014, orbit on 10 September 2014;Philae (lander) landed on 12 November 2014, Rosetta itself landed on 30 September 2016.
7Discovery 7Deep Impact12 January 2005Delta II 7426United StatesNASA(163249) 2002 GTFlybySpacecraft failure
(Extended mission)
Extended mission (EPOXI), flyby was expected in 2020, but communication with the spacecraft was lost in August 2013.
8New Frontiers 1New Horizons19 January 2006Atlas V 551United StatesNASA132524 APLIncidental flyby
134340 Pluto and its five moons.FlybySuccessful
486958 ArrokothSuccessful
Closest approach of APL at 101,867 kilometres (63,297 mi) at 04:05 UTC on 13 June 2006. First probe to flyby Pluto, on 14 July 2015. Flyby of Arrokoth occurred on 1 January 2019.
9Discovery 9Dawn27 September 2007Delta II 7925HUnited StatesNASA4 VestaOrbiterSuccessful
1 CeresSuccessful
Orbited Vesta from 16 July 2011 to 5 September 2012, before departing for Ceres. Arrived at Ceres in 2015.
10Chang'e 2Chang'e 21 October 2010Long March 3CChinaCNSA4179 ToutatisFlybySuccessful
Flyby on 13 December 2012, closest approach 3.2 kilometres (2.0 mi).
11Hayabusa2Hayabusa-23 December 2014H-IIA 202JapanJAXA162173 RyuguOrbiter/Lander/Sample ReturnerSuccessful
DCAM-3OrbiterSuccessful
SCI impactorImpactorSuccessful
HIBOULanderSuccessful
OWLSuccessful
MINERVA II-2Spacecraft failure
MASCOTSuccessful
PROCYON(185851) 2000 DP107FlybySpacecraft failure
Hayabusa-2 arrived in 2018, landed in February and July 2019; sample returned to Earth on 5 December 2020 UTC.HIBOU andOWL were both deployed on 21 September 2018.MINERVA-II was deployed on 2 October 2019; it had failed prior to deployment but was deployed anyway to observe the effects of gravity on it as it descended to the surface.MASCOT was deployed on 3 October 2018; operated for 17 hours. DCAM-3 andSCI Impactor were deployed on 5 April 2019;DCAM-3 observedSCI impact.PROCYON flyby of 2000 DP had been planned for 2016; cancelled due to ion engine failure in heliocentric orbit.[13]
12New Frontiers 3OSIRIS-REx /OSIRIS-APEX[a]8 September 2016Atlas V 411United StatesNASA101955 BennuOrbiter/Sample ReturnerSuccessful
99942 ApophisOrbiter/Regolith Disturberen route
Successfully collected sample of Bennu on 20 October 2020 and returned the sample to Earth on 24 September 2023. For its extended mission calledOSIRIS-APEX, the spacecraft is now en route to encounter Apophis on 8 April 2029.
13Discovery 13Lucy16 October 2021Atlas V 401United StatesNASA152830 DinkineshFlybySuccessful
52246 DonaldjohansonSuccessful
3548 Eurybatesen route
15094 Polymeleplanned
11351 Leucusplanned
21900 Orusplanned
617 Patroclusplanned
Closest approach of Dinkinesh at 425 km (264 mi) at 16:54 UTC on 1 November 2023. Flyby of Donaldjohanson on 20 April 2025, Eurybates on 12 August 2027, Polymele on 15 September 2027, Leucus on 18 April 2028, Orus on 11 November 2028 and Patroclus on 2 March 2033.
14SSE 1DART24 November 2021Falcon 9United StatesNASADimorphosImpactorSuccessful
LICIACubeItalyASI65803 Didymos systemFlybySuccessful
The U.S. component ofAIDA. DART impacted 23:14 UTC 26 September 2022. LICIACube separated from DART on 11 September 2022 and on flew by about 3 minutes after DART's impact.
NEA ScoutNEA Scout16 November 2022SLS Block 1United StatesNASA2020 GEFlybySpacecraft failure
Spacecraft was to perform a series of lunar flybys before targeting asteroid in September 2023, but after launch contact was lost and later the mission was declared as a failure.
15Discovery 14Psyche16 November 2022Falcon HeavyUnited StatesNASA16 PsycheOrbiteren route
Arrives in August 2029.[14]
16HeraHera7 October 2024Falcon 9ESA65803 Didymos systemOrbiteren route
MilaniOrbiteren route
JuventasOrbiteren route
The European component ofAIDA. Arrives in December 2026 according to current plans.[15]
17Brokkr-2OdinFebruary 26, 2025Falcon 9 Block 5United StatesAstroForge2022 OB5FlybySpacecraft failure
was expected to reach2022 OB5, a suspectedM-typenear-Earth object, in December 2025, but failed after launch.[16]
18Tianwen-2Tianwen-2May 29, 2025Long March 3BChinaCNSA469219 KamoʻoalewaSample returnen route
311P/PANSTARRSOrbiterplanned
Explore theco-orbital near-Earth asteroid469219 Kamoʻoalewa and theactive asteroid311P/PanSTARRS and collecting samples of the regolith of Kamo'oalewa.[17]

Statistics

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Major milestones

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Legend

  Milestone achieved
  Milestone not achieved
First to achieve

Asteroid belt
Country/AgencyFlybyOrbitImpactTouchdownLanderHopperRoverSample return
United StatesUnited StatesPioneer 10, (unnamed asteroid) 1972NEAR Shoemaker, (Eros) 2000NEAR Shoemaker, (Eros) 2001 †OSIRIS-REx, 2020OSIRIS-REx, 2023
JapanJapanSCI, (Ryugu) 2014Hayabusa, (Itokawa) 2005HIBOU and OWL, (Ryugu) 2018Hayabusa, (Itokawa) 2010 †
ESARosetta, (Šteins) 2008Rosetta, (Churyumov–Gerasimenko) 2014Philae, (Churyumov–Gerasimenko) 2014
ChinaChinaChang'e 2, (Toutatis) 2012
ItalyItalyLICIACube, (Didymos system) 2022
Kuiper belt
Country/AgencyFlybyOrbit
United StatesUnited StatesNew Horizons, (Pluto) 2015

Future missions

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MissionSpacecraftLaunch dateCarrier rocketOperatorDestinationMission type
DESTINY+DESTINY+2028[18]H3JapanJAXA3200 PhaethonFlyby
Planned arrival in 2030.[18]
MBR ExplorerMBR ExplorerMarch 2028[19]H3[20]United Arab EmiratesUAESA10253 WesterwaldFlyby
623 Chimaera
13294 Rockox
88055 Ghaf
23871 Ousha
59980 Moza
MBR Lander269 JustitiaOrbiter/lander
Planned flybys of six asteroids between 2030 and 2033, then orbiting Justitia in October 2034 and landing there in May 2035.

See also

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Notes

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  1. ^The same spacecfraft used for Bennu mission will be used in studying Apophis. While the spacecraft remained same, only the mission was renamed as OSIRIS-APEX.

References

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  1. ^abMcDowell, Jonathan."Launch Log".Jonathan's Space Page. Retrieved21 April 2013.
  2. ^Krebs, Gunter."Interplanetary Probes".Gunter's Space Page. Retrieved21 April 2013.
  3. ^"45 Years Ago, Pioneer 10 First to Explore Jupiter".It [pioneer 10] passed within 5.5 million miles of an unnamed 0.5-mile diameter asteroid on Aug. 2
  4. ^"Solar System Exploration - Galileo". NASA. Archived fromthe original on 26 June 2013. Retrieved21 April 2013.
  5. ^"Solar System Exploration - Clementine". NASA. Archived fromthe original on 26 June 2013. Retrieved21 April 2013.
  6. ^"Solar System Exploration - NEAR Shoemaker". NASA. Archived fromthe original on 26 June 2013. Retrieved21 April 2013.
  7. ^Krebs, Gunter."Cassini".Gunter's Space Page. Retrieved21 April 2013.
  8. ^"Solar System Exploration - Cassini". NASA. Archived fromthe original on 26 June 2013. Retrieved21 April 2013.
  9. ^Wilson–Harrington is catalogued as both a comet and an asteroid
  10. ^ab"Solar System Exploration - Deep Space 1". NASA. Archived fromthe original on 18 August 2004. Retrieved23 April 2013.
  11. ^Rayman, Marc D.; Varghese, Philip (2001)."The Deep Space 1 Extended Mission"(PDF).Acta Astronautica.48 (5–12):693–705.Bibcode:2001AcAau..48..693R.doi:10.1016/s0094-5765(01)00044-3.
  12. ^"STARDUST Successfully Images Asteroid Annefrank During Dress Rehearsal". NASA. 4 November 2002. Retrieved23 April 2013.
  13. ^"Due to ion engine failure, PROCYON will not fly by an asteroid".
  14. ^"NASA Continues Psyche Asteroid Mission".JPL.NASA. 28 October 2022. Retrieved28 October 2022.
  15. ^"ESA - Hera". Retrieved12 May 2022.
  16. ^Berger, Eric (29 January 2025)."AstroForge selects target for "high risk, seat of the pants" asteroid mission".Ars Technica. Retrieved29 January 2025.
  17. ^Gibney, Elizabeth (30 April 2019)."China plans mission to Earth's pet asteroid".Nature.doi:10.1038/d41586-019-01390-5.PMID 32346150.S2CID 155198626. Retrieved4 June 2019.
  18. ^ab"宇宙科学・探査ミッションの進捗状況について" [Space Science and Exploration Mission Progress](PDF).ISAS (in Japanese).CAO. 9 October 2024. p. 11. Retrieved11 October 2024.
  19. ^Foust, Jeff (3 June 2023)."UAE outlines plans for asteroid mission".SpaceNews. Retrieved17 September 2023.
  20. ^Foust, Jeff (10 October 2024)."Japan's H3 to launch Emirati asteroid mission".SpaceNews. Retrieved11 October 2024.
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