Asteroids with Satellites Database--Johnston's Archive
(523624)
2008 CT190
compiled by Wm. Robert Johnston
last updated
29 May 2019
--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, scattered disk
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
53.0419 AU
| |
orbital period P: |
386.303 yr
(= 141100 d)
| |
eccentricity e: |
0.345728
| |
perihelion distance q: |
34.70387 AU
| |
aphelion distance Q: |
71.38 AU
| |
inclination i: |
38.883336°
| |
argument of perihelion ω: |
48.1162°
| |
ascending node Ω: |
103.737493°
| |
mean anomaly M: |
5.63304°
| |
perihelion passage TP: |
2012 Mar 06.16
| |
Epoch: |
2018 Mar 23
| |
data arc: |
2002-2018
(118 obs.)
| |
Earth MOID: |
33.8312 AU
| |
Jupiter Tisserand invariant TJ: |
4.762
|
| Neptune Tisserand invariant TN: | 2.507 [*D] |
orbital data, secondary:
|
semimajor axis as: |
1300
± 200 km
(separation)
[N18b]
| |
separation/primary radius as/rp: | 11 [*E] | |
separation/Hill radius as/rH: | 0.0014 [*E] | |
orbital period Ps: |
4.1
d [*E]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
5.5
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
304
km [*E]
| |
geometric albedo: |
(0.09
) [*A]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
?
| |
density ρ: |
(1
g/cm3) [*A]
| |
Hill radius rH: |
960000 km [*E]
|
other data, primary:
|
diameter dp: |
234
km [*E]
| |
rotation period RPp: |
?
| |
amplitude in mag., rotational ΔM: |
?
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
194
km [*E]
| |
diameter ratio ds/dp: |
0.83
± 0.12
[*D]
| |
component mag. difference ΔM: |
0.4
± 0.3
[N18b]
| |
rotation period RPs: |
?
| |
|
|
--
(523624) 2008 CT190
--discovery and notes:
Primary discovered
2008 Feb 09
from
0
by
?.
Linked to prediscovery observations from 2002 Jan 14.
Permanent number assigned 2018 Sep 25.
Companion discovered
2012 May 18
by Noll, K. S., W. M. Grundy, and S. D. Benecchi
using
Hubble Space Telescope
observations from Hubble Space Telescope.
Announced
2018 Apr 29 [N18b].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2018, 2019
by Wm. Robert Johnston.
Last modified
29 May 2019.
Return to Home. Return to Astronomy and Space. Return to Asteroids with Satellites.