(436030) 2009 JO2

--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 orbital data, primary (osculating elements) [JPL] : semimajor axis a: 0.8883435879 AU orbital period P: 0.8372972411 yr (= 305.8228173 d) eccentricity e: 0.47843703 perihelion distance q: 0.46332712 AU aphelion distance Q: 1.313360053 AU inclination i: 19.621646° argument of perihelion ω: 239.728222° ascending node Ω: 203.408694° mean anomaly M: 327.200308° perihelion passage TP: 2025 Dec 18.863595 Epoch: 2025 Nov 21 data arc: 2009-2025 (653 obs.) Earth MOID: 0.0567461 AU Jupiter Tisserand invariant TJ: 6.541 orbital data, secondary: semimajor axis as: ? orbital period Ps: ? eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 19.42 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 0.3 ± 0.04 km [M19a] geometric albedo: 0.425 ± 0.151 [M19a] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 11 km [*E] other data, primary: diameter dp: 0.3 ± 0.04 km [M19a] rotation period RPp: ? amplitude in mag., rotational ΔM: ? pole direction Β, λ: ? , ? other data, secondary: diameter ds: ? diameter ratio ds/dp: ? component mag. difference ΔM: ? rotation period RPs: ?