Asteroids with Satellites Database--Johnston's Archive
(534625)
2014 UQ224
compiled by Wm. Robert Johnston
last updated
23 February 2024
--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: |
44.6828 AU
| |
orbital period P: |
298.688 yr (= 109095.9 d)
| |
eccentricity e: |
0.044431
| |
perihelion distance q: |
42.6975 AU
| |
aphelion distance Q: |
46.6681 AU
| |
inclination i: |
1.943818°
| |
argument of perihelion ω: |
222.656°
| |
ascending node Ω: |
16.5699°
| |
mean anomaly M: |
200.807°
| |
perihelion passage TP: |
2155 Oct 13.5
| |
Epoch: |
2023 Sep 13
| |
data arc: |
2010-2021
(134 obs.)
| |
Earth MOID: |
41.6848 AU
| |
Jupiter Tisserand invariant TJ: |
5.968
|
| Neptune Tisserand invariant TN: | 3.10717354064925 [*D] |
orbital data, secondary:
|
semimajor axis as: |
13000
± 3000 km
(separation)
[L24b]
| |
separation/primary radius as/rp: | 90 [*E] | |
separation/Hill radius as/rH: | 0.015 [*E] | |
orbital period Ps: |
110
d [*E]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
5.55
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
342
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: |
880000 km [*E]
|
other data, primary:
|
diameter dp: |
289
km [*E]
| |
rotation period RPp: |
?
| |
amplitude in mag., rotational ΔM: |
?
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
182
km [*E]
| |
diameter ratio ds/dp: |
0.63
± 0.15
[*D]
| |
component mag. difference ΔM: |
1
± 0.5
[L24b]
| |
rotation period RPs: |
?
| |
|
|
--
(534625) 2014 UQ224
--discovery and notes:
Primary discovered
2010 Nov 16
from
Haleakala, Hawaii, USA
by
PanSTARRS 1 program.
Permanent number assigned 2019 May 18.
Companion discovered
2015 Nov 17
by K. Ly and W. M. Grundy
using
adaptive optics telescope
observations from Subaru Telescope, Mauna Kea Observatory, Hawaii, USA.
Announced
2024 Feb 20 [L24b].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2024
by Wm. Robert Johnston.
Last modified
23 February 2024.
Return to Home. Return to Astronomy and Space. Return to Asteroids with Satellites.