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Asteroids with Satellites Database--Johnston's Archive

(138095) 2000 DK79

compiled by Wm. Robert Johnston
last updated9 October 2021

--Orbital and physical data--

(Seethis page for definitions of quantities; source codes in brackets, seethis link for full references; *A, *D, and *E indicate assumed, derived, and estimated values, respectively.)

dynamical type, primary:NEA, Amor(PHA)


orbital data, primary (osculating elements)[JPL]:

semimajor axisa:1.7766897155 AU
orbital periodP:2.368239306 yr
(= 864.9994065 d)
eccentricitye:0.414387985
perihelion distanceq:1.040450844 AU
aphelion distanceQ:2.5129285869 AU
inclinationi:60.6777308°
argument of perihelionω:2.5546059°
ascending nodeΩ:43.4575671°
mean anomalyM:79.0219074°
perihelion passageTP:2020 Dec 23.128047
Epoch:2021 Jul 01
data arc:1986-2021(669 obs.)
Earth MOID:0.0494557 AU
Jupiter Tisserand invariantTJ:3.45

orbital data, secondary:

semimajor axisas:?
orbital periodPs:?
eccentricityes:?
normalized ang. mom.αL:?
other data, system (combined):
absolute mag.H:15.99[MPC]
15.94 ± 0.02 [H13a]
slope parameterG:(0.15) [*A]
effective diameterdE:1.36± 0.63 km [N16b]
geometric albedo:(0.16) [*A]
color indexU-B:?
color indexB-V:?
color indexV-R:0.455 ± 0.018 [H13a]
color indexB-R:1.223 ± 0.024 [H13a]
color indexV-I:0.751 [H13a]
taxonomic type:?
massm:?
densityρ:(1.6 g/cm3) [*A]
Hill radiusrH:110 km [*E]

other data, primary:

diameterdp:1.36± 0.63 km [N16b]
rotation periodRPp:4.243± 0.001h [W14d]
amplitude in mag., rotationalΔM:?
pole directionΒ, λ:?,?

other data, secondary:

diameterds:?
diameter ratiods/dp:?
component mag. differenceΔM:?
rotation periodRPs:?

--(138095) 2000 DK79 --discovery and notes:

Primary discovered2000 Feb 26from Socorro, New Mexico, USAby LINEAR Program.Linked to prediscovery observations from 1986 Apr 09.Permanent number assigned 2006 Dec 05.

Companion discovered2013 Nov 13usingradar observations from Arecibo Observatory, Puerto Rico.Announced2013 Nov .

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:


©2013-2014, 2021by Wm. Robert Johnston.
Last modified9 October 2021.
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