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Asteroids with Satellites Database--Johnston's Archive

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:TNO, Cubewano

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

semimajor axisa:	42.4032 AU
orbital periodP:	276.125 yr (= 100854.7 d)
eccentricitye:	0.06685
perihelion distanceq:	39.568 AU
aphelion distanceQ:	45.2380 AU
inclinationi:	3.756120°
argument of perihelionω:	10.02°
ascending nodeΩ:	45.6578°
mean anomalyM:	90.28°
perihelion passageT_P:	1945 Feb 23
Epoch:	2014 May 23
data arc:	2000-2008(45 obs.)
Earth MOID:	38.5792 AU
Jupiter Tisserand invariantT_J:	5.807
Neptune Tisserand invariantT_N:	3.07 [*D]

orbital data, secondary:

semimajor axisa_s:	2700± 300 km (separation) [S06c]
separation/primary radiusa_s/r_p:	34 [*E]
separation/Hill radiusa_s/r_H:	0.0057 [*E]
orbital periodP_s:	23d [*E]
eccentricitye_s:	?
normalized ang. mom.α_L:	?

other data, system (combined):

other data, primary:

diameterd_p:	160 km [*E]
rotation periodRP_p:	?
amplitude in mag., rotationalΔM:	<0.14 [L06a]
pole directionΒ, λ:	?,?

other data, secondary:

--(80806) 2000 CM105 --discovery and notes:

Primary discovered2000 Feb 06from Kitt Peak Observatory, Arizona, USAby M. W. Buie.Permanent number assigned 2004 May 04.

Companion discovered2002 Oct 05usingHubble Space Telescope observations from Hubble Space Telescope.Announced2005 Oct 06.

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:

Millis, R. L., Buie, M. W., Wagner, R. M., Elliot, J. L., Harmer, D., Willmarth, D. W., Smith, P., Saha, A., Kern, S. D., Wasserman, L. H., & Marsden, B. G. 2000, Minor Planet Electronic CircularsNINE TNOs

©2005-2006, 2014by Wm. Robert Johnston.
Last modified20 September 2014.
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