Asteroids with Satellites Database--Johnston's Archive

(80806) 2000 CM105

compiled by Wm. Robert Johnston
last updated 20 September 2014

--Orbital and physical data--

(See this page for definitions of quantities; source codes in brackets, see this 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 axis a: 42.4032 AU
orbital period P: 276.125 yr
(= 100854.7 d)
eccentricity e: 0.06685
perihelion distance q: 39.568 AU
aphelion distance Q: 45.2380 AU
inclination i: 3.756120°
argument of perihelion ω: 10.02°
ascending node Ω: 45.6578°
mean anomaly M: 90.28°
perihelion passage TP: 1945 Feb 23
Epoch: 2014 May 23
data arc: 2000-2008 (45 obs.)
Earth MOID: 38.5792 AU
Jupiter Tisserand invariant TJ: 5.807
Neptune Tisserand invariant TN:3.07 [*D]

orbital data, secondary:
semimajor axis as: 2700 ± 300 km (separation) [S06c]
separation/primary radius as/rp:34 [*E]
separation/Hill radius as/rH:0.0057 [*E]
orbital period Ps: 23 d [*E]
eccentricity es: ?
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 6.7 [MPC]
6.16 [JPL]
slope parameter G: (0.15) [*A]
effective diameter dE: 201 km [*E]
geometric albedo: (0.09 ) [*A]
color index U-B: ?
color index B-V: 1.14 [T02a]
color index V-R:0.74 [T02a]
color index B-R:1.98 ± 0.23 [T02a]
taxonomic type: ?
mass m: ?
density ρ: (1 g/cm3) [*A]
Hill radius rH: 470000 km [*E]

other data, primary:
diameter dp: 160 km [*E]
rotation period RPp: ?
amplitude in mag., rotational ΔM: <0.14 [L06a]
pole direction Β, λ: ? , ?

other data, secondary:
diameter ds: 121 km [*E]
diameter ratio ds/dp: 0.759 ± 0.035 [N08c]
component mag. difference ΔM: 1.2 [S06c]
rotation period RPs: ?

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

Primary discovered 2000 Feb 06 from Kitt Peak Observatory, Arizona, USA by M. W. Buie. Permanent number assigned 2004 May 04.

Companion discovered 2002 Oct 05 using Hubble Space Telescope observations from Hubble Space Telescope. Announced 2005 Oct 06.

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:

© 2005-2006, 2014 by Wm. Robert Johnston.
Last modified 20 September 2014.
Return to Home. Return to Astronomy and Space. Return to Asteroids with Satellites.