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Asteroids with Satellites Database--Johnston's Archive

(311066) 2004 DC

compiled by Wm. Robert Johnston
last updated20 September 2014

--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, Apollo(PHA)


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

semimajor axisa:1.633837569 AU
orbital periodP:2.088437677 yr
(= 762.801862 d)
eccentricitye:0.399466431
perihelion distanceq:0.981174307 AU
aphelion distanceQ:2.286500832 AU
inclinationi:19.4490689°
argument of perihelionω:156.211804°
ascending nodeΩ:74.9614070°
mean anomalyM:302.703634°
perihelion passageTP:2014 Sep 21.40492
Epoch:2014 May 23
data arc:2004-2013(224 obs.)
Earth MOID:0.00874797 AU
Jupiter Tisserand invariantTJ:4.154

orbital data, secondary:

semimajor axisas:0.75± 0.045 km[F12a]
separation/primary radiusas/rp:4.2 [*D]
separation/Hill radiusas/rH:0.028 [*D]
orbital periodPs:0.96d [T08a]
eccentricityes:0.24[T08a]
normalized ang. mom.αL:?
other data, system (combined):
absolute mag.H:18.1[MPC]
18.05 ± 0.54 [JPL]
slope parameterG:(0.15) [*A]
effective diameterdE:0.37 km [*D]
geometric albedo:0.74[*E]
color indexU-B:?
color indexB-V:?
taxonomic type:?
massm:3.59x1010kg [F12a]
densityρ:1.73± 0.49 g/cm3[C12a]
Hill radiusrH:27 km [*D]

other data, primary:

diameterdp:0.36 km [T08a]
rotation periodRPp:2.6h [T08a]
amplitude in mag., rotationalΔM:?
pole directionΒ, λ:?,?

other data, secondary:

diameterds:0.07km [*D]
diameter ratiods/dp:0.2 [T08a]
component mag. differenceΔM:3.5 [*D]
rotation periodRPs:7h [T08a]

--(311066) 2004 DC --discovery and notes:

Primary discovered2004 Feb 16from Socorro, New Mexico, USAby LINEAR.Permanent number assigned 2012 Jan 09.

Companion discovered2006 Jun 02usingradar observations.Announced2006 Jun 02.

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:


©2006-2012, 2014by Wm. Robert Johnston.
Last modified20 September 2014.
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