(6384) Kervin

--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, inner orbital data, primary (osculating elements) [JPL] : semimajor axis a: 1.9363941219 AU orbital period P: yr (= 984.2129165 d) eccentricity e: 0.076898635 perihelion distance q: 1.78748806 AU aphelion distance Q: 2.085300186 AU inclination i: 26.2896633° argument of perihelion ω: 265.736551° ascending node Ω: 76.848863° mean anomaly M: 317.108782° perihelion passage TP: 2017 Dec 30.26136 Epoch: 2017 Sep 04 data arc: 1989-2017 (1039 obs.) Earth MOID: 0.875039 AU Jupiter Tisserand invariant TJ: 3.778 orbital data, secondary: semimajor axis as: 6.1 km [*E] separation/primary radius as/rp: 3.4 [*E] separation/Hill radius as/rH: 0.012 [*E] orbital period Ps: 0.6642 ± 0.0004 d [W16b] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 13.8 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 3.74 ± 0.77 km [M12b] geometric albedo: 0.503 ± 0.21 [M12b] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 510 km [*E] other data, primary: diameter dp: 3.6 km [*D] rotation period RPp: 3.6194 ± 0.0001 h [W16b] amplitude in mag., rotational ΔM: 0.06 ± 0.01 [W16b] amplitude in mag., mutual events ΔM: 0.03 ±0.01 [W16b] pole direction Β, λ: ? , ? other data, secondary: diameter ds: >1.1 km [*D] diameter ratio ds/dp: >0.3 [W16b] component mag. difference ΔM: 2.6 [*D] rotation period RPs: ?