Asteroids with Satellites Database--Johnston's Archive

2000 CQ114

compiled by Wm. Robert Johnston
last updated 31 January 2015

--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: 46.32297272 AU
orbital period P: 315.2846558 yr
(= 115157.7205 d)
eccentricity e: 0.114538018
perihelion distance q: 41.01723123 AU
aphelion distance Q: 51.6287142 AU
inclination i: 2.689601279°
argument of perihelion ω: 34.26634484°
ascending node Ω: 38.43996063°
mean anomaly M: 86.24134558°
perihelion passage TP: 1938 Nov 10
Epoch: 2014 May 23
data arc: 2000-2013 (40 obs.)
Earth MOID: 40.0315 AU
Jupiter Tisserand invariant TJ: 6.034
Neptune Tisserand invariant TN:3.112 [*D]


orbital data, secondary:
semimajor axis as: 6930 ± 40 km [G14a]
separation/primary radius as/rp:105 [*D]
separation/Hill radius as/rH:0.016 [*D]
orbital period Ps: 220.7 ± 0.4 d [G14a]
eccentricity es: 0.095 ± 0.007 [G14a]
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 7 [MPC]
7.21 ± 0.25 [B08d]
slope parameter G: (0.15) [*A]
effective diameter dE: 175 km [*E]
geometric albedo: (0.09 ) [*A]
color index U-B: ?
color index B-V: ?
color index V-R:0.69 ± 0.16 [B11c]
color index V-I:1.4 ± 0.08 [B08d]
color index J-H:0.41 ± 0.4 [B11c]
taxonomic type: ?
mass m: 5.4x1017 ± 1x1016 kg [G14a]
density ρ: (1 g/cm3) [*A]
Hill radius rH: 430000 km [*E]

other data, primary:
diameter dp: 132 km [*E]
color index V-I:1.4 ± 0.08 [B08d]
rotation period RPp: ?
amplitude in mag., rotational ΔM: ?
pole direction Β, λ: ? , ?


other data, secondary:
diameter ds: 115 km [*E]
diameter ratio ds/dp: 0.871 ± 0.008 [S06c]
component mag. difference ΔM: 1.36 ± 0.21 [B08d]
color index V-I:1.36± 0.21 [B08d]
rotation period RPs: ?

-- 2000 CQ114 --discovery and notes:

Primary discovered 2000 Feb 06 from Kitt Peak Observatory, Arizona, USA by M. W. Buie.

Companion discovered 2003 Jun 06 by D. C. Stephens, K. S. Noll, and W. Grundy using Hubble Space Telescope observations from Hubble Space Telescope. Announced 2004 Feb 16 [S04b].

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:


© 2004-2014, 2015 by Wm. Robert Johnston.
Last modified 31 January 2015.
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