(85628) 1998 KV2

--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, Amor orbital data, primary (osculating elements) [JPL] : semimajor axis a: 1.5926669272 AU orbital period P: 2.0099601293 yr (= 734.1518026 d) eccentricity e: 0.331802439 perihelion distance q: 1.06421616 AU aphelion distance Q: 2.121117698 AU inclination i: 13.0301821° argument of perihelion ω: 50.46894° ascending node Ω: 66.789843° mean anomaly M: 77.4085281° perihelion passage TP: 2019 Dec 25.139971 Epoch: 2020 May 31 data arc: 1998-2020 (2084 obs.) Earth MOID: 0.143145 AU Jupiter Tisserand invariant TJ: 4.284 orbital data, secondary: semimajor axis as: 1.5 km [*E] separation/primary radius as/rp: 4.0 [*E] separation/Hill radius as/rH: 0.024 [*E] orbital period Ps: 0.8822 ± 0.0002 d [W20e] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 17.1 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 0.775 ± 0.034 km [N15e] geometric albedo: 0.461 ± 0.079 [N15e] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 62 km [*E] other data, primary: diameter dp: <0.75 ± 0.03 km [*D] rotation period RPp: 2.8228 ± 0.0002 h [W20c] amplitude in mag., rotational ΔM: 0.12 [W20c] amplitude in mag., mutual events ΔM: 0.105 ±0.025 [W20c] pole direction Β, λ: ? , ? other data, secondary: diameter ds: >0.21 ± 0.02 km [*D] diameter ratio ds/dp: >0.28 ± 0.02 [W20c] component mag. difference ΔM: <2.76 ± 0.16 [*D] rotation period RPs: ?