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:
- Stephens, D. C., Noll, K. S., & Grundy, W. 2004, International Astronomical Union Circular 2000 CQ_114
- Aksnes, K., Holman, M., Grav, T., & Marsden, B. G. 2001, Minor Planet Circulars 2000 CQ114
©
2004-2014, 2015
by Wm. Robert Johnston.
Last modified
31 January 2015.
Return to Home. Return to Astronomy and Space. Return to Asteroids with Satellites.