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.
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