(523664) 2012 OD1

--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, Aten (PHA) orbital data, primary (osculating elements) [JPL] : semimajor axis a: 0.8287419702 AU orbital period P: 0.7544617081 yr (= 275.5671389 d) eccentricity e: 0.50271793 perihelion distance q: 0.41211853 AU aphelion distance Q: 1.2453654139 AU inclination i: 42.26759° argument of perihelion ω: 224.365849° ascending node Ω: 303.7283991° mean anomaly M: 289.8552334° perihelion passage TP: 2024 May 23.693313 Epoch: 2024 Mar 31 data arc: 2012-2021 (751 obs.) Earth MOID: 0.038042 AU Jupiter Tisserand invariant TJ: 6.789 orbital data, secondary: semimajor axis as: >0.75 km [*E] separation/primary radius as/rp: 4.3 [*D] separation/Hill radius as/rH: 0.065 [*E] orbital period Ps: 0.9 d [*E] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 18.59 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 0.35 ± 0.09 km [M19a] geometric albedo: 0.536 ± 0.253 [M19a] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 12 km [*E] other data, primary: diameter dp: 0.45 km [*E] rotation period RPp: <12.6 h [B24j] amplitude in mag., rotational ΔM: 0.63 [W19i] pole direction Β, λ: ? , ? other data, secondary: diameter ds: 0.3 km [*E] diameter ratio ds/dp: 0.6 [*E] component mag. difference ΔM: 1.0 [*E] rotation period RPs: ?