(500835) 2013 GN137

--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, Cubewano cold orbital data, primary (osculating elements) [JPL] : semimajor axis a: 43.8438 AU orbital period P: 290.316 yr (= 106038 d) eccentricity e: 0.061636 perihelion distance q: 41.1415 AU aphelion distance Q: 46.5462 AU inclination i: 2.7662° argument of perihelion ω: 99.435° ascending node Ω: 72.3499° mean anomaly M: 49.045° perihelion passage TP: 1984 Sep 11 Epoch: 2024 Mar 31 data arc: 2000-2017 (44 obs.) Earth MOID: 40.1489 AU Jupiter Tisserand invariant TJ: 5.906 Neptune Tisserand invariant TN: 3.093 [*D] orbital data, secondary: semimajor axis as: 1400 km (separation) [P24b] separation/primary radius as/rp: 21 [*E] separation/Hill radius as/rH: 0.0036 [*E] orbital period Ps: 12 d [*E] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 7.27 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 155 km [*E] geometric albedo: (0.09 ) [*A] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1 g/cm3) [*A] Hill radius rH: 390000 km [*E] other data, primary: diameter dp: 131 km [*E] rotation period RPp: ? amplitude in mag., rotational ΔM: ? pole direction Β, λ: ? , ? other data, secondary: diameter ds: 82 km [*E] diameter ratio ds/dp: 0.63 [P24b] component mag. difference ΔM: 1.0 [*D] rotation period RPs: ?