Asteroids with Satellites Database--Johnston's Archive

(226514) 2003 UX34

compiled by Wm. Robert Johnston
last updated 29 January 2017

--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: NEA, Apollo (PHA)


orbital data, primary (osculating elements) [JPL] :
semimajor axis a: 1.0951021658 AU
orbital period P: 1.145992979 yr
(= 418.5818409 d)
eccentricity e: 0.615858212
perihelion distance q: 0.420674504 AU
aphelion distance Q: 1.7695298273 AU
inclination i: 2.5646216°
argument of perihelion ω: 218.48756°
ascending node Ω: 4.37603°
mean anomaly M: 353.1449962°
perihelion passage TP: 2017 Feb 23.9705003
Epoch: 2017 Feb 16
data arc: 1996-2017 (209 obs.)
Earth MOID: 0.0151735 AU
Jupiter Tisserand invariant TJ: 5.474


orbital data, secondary:
semimajor axis as: ?
orbital period Ps: ?
eccentricity es: ?
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 20.1 [MPC]
slope parameter G: (0.15) [*A]
effective diameter dE: 0.28 km [*D]
geometric albedo: []
color index U-B: ?
color index B-V: ?
taxonomic type: ?
mass m: ?
density ρ: (1.6 g/cm3) [*A]
Hill radius rH: 8 km [*E]

other data, primary:
diameter dp: 0.25 km [R17b]
rotation period RPp: ?
amplitude in mag., rotational ΔM: ?
pole direction Β, λ: ? , ?


other data, secondary:
diameter ds: 0.1 km [*D]
diameter ratio ds/dp: 0.5 [A17b]
component mag. difference ΔM: 1.5 [*D]
rotation period RPs: ?

-- (226514) 2003 UX34 --discovery and notes:

Primary discovered 2003 Oct 26 from Kitt Peak Observatory, Arizona, USA by Spacewatch. Linked to prediscovery observations from 1996 Sep 17. Permanent number assigned 2009 Dec 02.

Companion discovered 2017 Jan 05 using radar observations from Goldstone Observatory, California, USA; Arecibo Observatory, Puerto Rico. Announced 2017 Jan 05 [B17b].

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:


© 2017 by Wm. Robert Johnston.
Last modified 29 January 2017.
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