2004 PT117

--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: 43.139 AU orbital period P: 283.34 yr (= 103490 d) eccentricity e: 0.03662 perihelion distance q: 41.559 AU aphelion distance Q: 44.718 AU inclination i: 1.23652° argument of perihelion ω: 195.66° ascending node Ω: 0.189° mean anomaly M: 132.44° perihelion passage TP: 1920 Jan 04 Epoch: 2024 Mar 31 data arc: 2004-2013 (19 obs.) Earth MOID: 40.5582 AU Jupiter Tisserand invariant TJ: 5.874 Neptune Tisserand invariant TN: 3.090 [*D] orbital data, secondary: semimajor axis as: 1300 km (separation) [P24b] separation/primary radius as/rp: 15 [*E] separation/Hill radius as/rH: 0.0026 [*E] orbital period Ps: 7.4 d [*E] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 6.7 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 201 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: 500000 km [*E] other data, primary: diameter dp: 168 km [*E] rotation period RPp: ? amplitude in mag., rotational ΔM: ? pole direction Β, λ: ? , ? other data, secondary: diameter ds: 111 km [*E] diameter ratio ds/dp: 0.66 [P24b] component mag. difference ΔM: 0.9 [*D] rotation period RPs: ?