(6369)
Asteroids with Satellites Database--Johnston's Archive
(6369) 1983 UC
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:_main belt asteroid _orbital data, primary (osculating elements)_[JPL] :semimajor axis **a:**2.293215745 AUorbital period **P:**3.472700842 yr (= 1268.427938 d)eccentricity **e:**0.142830617perihelion distance **q:**1.96567432 AUaphelion distance **Q:**2.620757165 AUinclination **i:**5.9878451°argument of perihelion **ω:**351.449376°ascending node **Ω:**35.559477°mean anomaly **M:**347.703373°perihelion passage **TP:2015 Jan 21.326069Epoch:2014 Dec 09data arc:1954-2015 (982 obs.)Earth MOID:**0.970288 AUJupiter Tisserand invariant **TJ:**3.576 orbital data, secondary: semimajor axis **as:**15 km [*E]separation/primary radius **as/rp:**6.2 [*E]separation/Hill radius **as/rH:**0.020 [*E]orbital period **Ps:**1.658 ± 0.0004 d [W17a]eccentricity **es:**0 [P15f]normalized ang. mom. αL:? | other data, system (combined): absolute mag. **H:**14.2 [MPC]slope parameter G: (0.15) [*A]effective diameter dE:5.17 ± 1.24 km [R15a]geometric albedo:0.138 ± 0.033 [R15a]color index U-B:?color index B-V:?taxonomic type:?mass m:?density ρ: (1.6 g/cm3) [*A]Hill radius **rH:**750 km [*E] other data, primary: diameter **dp:**4.86 ± 1.17 km []rotation period **RPp:**2.397 ± 0 h [W17a]amplitude in mag., rotational ΔM:?pole direction Β, λ:? , ? other data, secondary: diameter **ds:**1.75 ± 0.43diameter ratio **ds/dp:**0.36 ± 0.02 [W17a]component mag. difference **ΔM:**2.22 ± 0.12 [*D]rotation period RPs:? |
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-- (6369) 1983 UC --discovery and notes:
Primary discovered 1983 Oct 16 from Klet, Czech Republic by Z. Vavrova. Alternate designation(s): 1969 UT1, 1990 TC8. Linked to prediscovery observations from 1954 Apr 08. Permanent number assigned 1995 May 14.
Companion discovered 2013 Apr 08 by Pravec, P., P. Scheirich, P. Kusnirak, K. Hornoch, and A. Galad using lightcurve observations. Announced 2015 Aug 05 [P15f].
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© 2015, 2019 by Wm. Robert Johnston.
Last modified 29 May 2019.
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