(792156) 2020 XR

--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: 2.4969560878 AU orbital period P: 3.945704521 yr (= 1441.1685763 d) eccentricity e: 0.6124934757 perihelion distance q: 0.967586775 AU aphelion distance Q: 4.026325401 AU inclination i: 13.9604572° argument of perihelion ω: 163.0979792° ascending node Ω: 249.6996507° mean anomaly M: 351.5612977° perihelion passage TP: 2024 Nov 19.7822014 Epoch: 2024 Oct 17 data arc: 2013-2024 (337 obs.) Earth MOID: 0.00164873 AU Jupiter Tisserand invariant TJ: 3.147 orbital data, secondary: semimajor axis as: 0.42 km (separation) [B24u] separation/primary radius as/rp: 2.8 [*E] separation/Hill radius as/rH: 0.019 [*E] orbital period Ps: 0.5 d [B24u] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 19.73 [MPC] 19.73 ± 0.37 [JPL] slope parameter G: (0.15) [*A] effective diameter dE: 0.3 km [B24u] geometric albedo: 0.25 [*D] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 23 km [*E] other data, primary: diameter dp: 0.3 km [B24u] rotation period RPp: ? amplitude in mag., rotational ΔM: ? pole direction Β, λ: ? , ? other data, secondary: diameter ds: 0.06 km [*E] diameter ratio ds/dp: 0.2 component mag. difference ΔM: 3.5 [*D] rotation period RPs: ?