(532092) 2013 HU156

--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: TNO, plutino orbital data, primary (osculating elements) [JPL] : semimajor axis a: 39.39939 AU orbital period P: 247.3104 yr (= 90330.1 d) eccentricity e: 0.1232528 perihelion distance q: 34.5433 AU aphelion distance Q: 44.25547 AU inclination i: 20.794488° argument of perihelion ω: 339.8131° ascending node Ω: 185.281896° mean anomaly M: 80.5486° perihelion passage TP: 1971 Feb 06.97 Epoch: 2026 Jun 09 data arc: 2001-2025 (376 obs.) Earth MOID: 33.5584 AU Jupiter Tisserand invariant TJ: 5.238 Neptune Tisserand invariant TN: 2.887 [*D] orbital data, secondary: semimajor axis as: 3000 km (separation) [P26e] separation/primary radius as/rp: 17 [*E] separation/Hill radius as/rH: 0.0036 [*E] orbital period Ps: 9.1 d [*E] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 5.46 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 395 km [*E] geometric albedo: (0.074 ) [*A] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1 g/cm3) [*A] Hill radius rH: 840000 km [*E] other data, primary: diameter dp: 353 km [*E] rotation period RPp: ? amplitude in mag., rotational ΔM: ? pole direction Β, λ: ? , ? other data, secondary: diameter ds: 178 km [*E] diameter ratio ds/dp: 0.50 ± 0.02 [*D] component mag. difference ΔM: 1.49 ± 0.05 [P26e] rotation period RPs: ?