2015 QL14

--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 orbital data, primary (osculating elements) [JPL] : semimajor axis a: 43.698 AU orbital period P: 288.87 yr (= 105508 d) eccentricity e: 0.1146 perihelion distance q: 38.69 AU aphelion distance Q: 48.705 AU inclination i: 12.19921° argument of perihelion ω: 352.38° ascending node Ω: 26.303° mean anomaly M: 303.14° perihelion passage TP: 2063 Nov 07 Epoch: 2018 Mar 23 data arc: 2015-2017 (16 obs.) Earth MOID: 37.6922 AU Jupiter Tisserand invariant TJ: 5.747 Neptune Tisserand invariant TN: 3.029 [*D] orbital data, secondary: semimajor axis as: 52000 km (separation) [S18c] separation/primary radius as/rp: 800 [*E] separation/Hill radius as/rH: 0.11 [*E] orbital period Ps: 2400 d [*E] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 7 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 175 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: 450000 km [*E] other data, primary: diameter dp: 130 km [*E] rotation period RPp: ? amplitude in mag., rotational ΔM: ? pole direction Β, λ: ? , ? other data, secondary: diameter ds: 117 km [*E] diameter ratio ds/dp: 0.9 [*D] component mag. difference ΔM: 0.2 [S18c] rotation period RPs: ?