(6369) 1983 UC

--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 AU orbital period P: 3.472700842 yr (= 1268.427938 d) eccentricity e: 0.142830617 perihelion distance q: 1.96567432 AU aphelion distance Q: 2.620757165 AU inclination i: 5.9878451° argument of perihelion ω: 351.449376° ascending node Ω: 35.559477° mean anomaly M: 347.703373° perihelion passage TP: 2015 Jan 21.326069 Epoch: 2014 Dec 09 data arc: 1954-2015 (982 obs.) Earth MOID: 0.970288 AU Jupiter 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 ± 0.43 diameter ratio ds/dp: 0.36 ± 0.02 [W17a] component mag. difference ΔM: 2.22 ± 0.12 [*D] rotation period RPs: ?