2006 QF181

--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: 45.1887 AU orbital period P: 303.776 yr (= 110954 d) eccentricity e: 0.078438 perihelion distance q: 41.6442 AU aphelion distance Q: 48.7332 AU inclination i: 2.66311° argument of perihelion ω: 320.566° ascending node Ω: 136.784° mean anomaly M: 294.856° perihelion passage TP: 2079 Mar 21 Epoch: 2024 Mar 31 data arc: 2006-2018 (66 obs.) Earth MOID: 40.662 AU Jupiter Tisserand invariant TJ: 5.985 Neptune Tisserand invariant TN: 3.107 [*D] orbital data, secondary: semimajor axis as: 1000 km (separation) [P24b] separation/primary radius as/rp: 15 [*E] separation/Hill radius as/rH: 0.0023 [*E] orbital period Ps: 6.3 d [*E] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 7.01 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 174 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: 430000 km [*E] other data, primary: diameter dp: 137 km [*E] rotation period RPp: ? amplitude in mag., rotational ΔM: ? pole direction Β, λ: ? , ? other data, secondary: diameter ds: 108 km [*E] diameter ratio ds/dp: 0.79 [P24b] component mag. difference ΔM: 0.5 [*D] rotation period RPs: ?