2020 BX12

--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: 1.5997 AU orbital period P: 2.0233 yr (= 739 d) eccentricity e: 0.52686 perihelion distance q: 0.756893 AU aphelion distance Q: 2.4426 AU inclination i: 40.078° argument of perihelion ω: 70.52° ascending node Ω: 132.9045° mean anomaly M: 336.002° perihelion passage TP: 2020 Mar 21.27 Epoch: 2020 Feb 01 data arc: 2020 Jan-2020 Feb (126 obs.) Earth MOID: 0.00201896 AU Jupiter Tisserand invariant TJ: 3.974 orbital data, secondary: semimajor axis as: >0.36 km [V20a] separation/primary radius as/rp: 4.4 [*E] separation/Hill radius as/rH: 0.036 [*E] orbital period Ps: 1.96 ± 0.08 d [V20a] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 0 [MPC] 20.59 ± 0.3 [JPL] slope parameter G: (0.15) [*A] effective diameter dE: 0.18 km [V20a] geometric albedo: 0.3 [V20a] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 10 km [*E] other data, primary: diameter dp: >0.165 km [V20a] rotation period RPp: <2.8 h [V20a] amplitude in mag., rotational ΔM: ? pole direction Β, λ: ? , ? other data, secondary: diameter ds: >0.07 km [V20a] diameter ratio ds/dp: 0.42 [*D] component mag. difference ΔM: 1.9 [*D] rotation period RPs: <49 h [V20a]