(119979) 2002 WC19

--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, 1:2 resonance orbital data, primary (osculating elements) [JPL] : semimajor axis a: 48.18208731 AU orbital period P: 334.454172 yr (= 122159.3863 d) eccentricity e: 0.265488923 perihelion distance q: 35.39027683 AU aphelion distance Q: 60.9738978 AU inclination i: 9.167425238° argument of perihelion ω: 43.54515038° ascending node Ω: 109.7773096° mean anomaly M: 314.8902475° perihelion passage TP: 2056 Apr 19 Epoch: 2014 May 23 data arc: 2001-2012 (102 obs.) Earth MOID: 34.4073 AU Jupiter Tisserand invariant TJ: 5.901 Neptune Tisserand invariant TN: 3.034 [*D] orbital data, secondary: semimajor axis as: 4092 ± 94 km [G19b] separation/primary radius as/rp: 24 [*D] separation/Hill radius as/rH: 0.0041 [*D] orbital period Ps: 8.40272 ± 0.0012 d [G19b] eccentricity es: 0.2055 ± 0.0545 [G19b] inclination is: 23.97° ± 0.72° [G19b] ascending node Ωs: 67° ± 1.4° [G19b] argument of pericenter ωs: 261.8° ± 1.4° [G19b] mean anomaly M: 261.1° ± 2° [G19b] Epoch: 2014 Dec 08.5 normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 4.9 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 348 ± 45 km [L13b] geometric albedo: 0.05 [*D] color index U-B: ? color index B-V: 1.14 [S12f] color index V-R: 0.65 ± 0.01 [S12f] color index B-R: 1.79 ± 0.02 [S12f] color index V-I: 1.3 [S12f] taxonomic type: ? mass m: 7.7x1019 ± 5.34x1018 kg [G19b] density ρ: 1.97 g/cm3[*D] Hill radius rH: 1000000 km [*E] other data, primary: diameter dp: 338 km [*D] rotation period RPp: ? amplitude in mag., rotational ΔM: <0.05 [T14a] pole direction Β, λ: ? , ? other data, secondary: diameter ds: 81 km [*D] diameter ratio ds/dp: 0.24 [G15a] component mag. difference ΔM: 2.5 [I8814] rotation period RPs: ?