2003 TJ58

--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: 44.1522 AU orbital period P: 293.379 yr (= 107158.6 d) eccentricity e: 0.08281 perihelion distance q: 40.4959 AU aphelion distance Q: 47.8085 AU inclination i: 0.95365° argument of perihelion ω: 9.2557° ascending node Ω: 37.0908° mean anomaly M: 40.5173° perihelion passage TP: 1986 Apr 19.5 Epoch: 2019 Apr 27 data arc: 2003-2007 (47 obs.) Earth MOID: 39.5053 AU Jupiter Tisserand invariant TJ: 5.923 Neptune Tisserand invariant TN: 3.096 [*D] orbital data, secondary: semimajor axis as: 3834 ± 50 km [G19b] separation/primary radius as/rp: 120 [*D] separation/Hill radius as/rH: 0.019 [*D] orbital period Ps: 137.682 ± 0.034 d [G19b] eccentricity es: 0.5162 ± 0.0083 [G19b] inclination is: 39.3° ± 1.9° [G19b] ascending node Ωs: 198.6° ± 3.4° [G19b] argument of pericenter ωs: 85.01° ± 0.74° [G19b] mean anomaly M: 58.3° ± 1.9° [G19b] Epoch: 2007 Jul 18.5 normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 7.4 [MPC] 7.448 ± 0.024 [G09a] slope parameter G: (0.15) [*A] effective diameter dE: 83 km [*D] geometric albedo: 0.285 ± 0.125 [G09a] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: 2.36x1017 ± 9.2x1015 kg [G19b] density ρ: (1 ± 1/0.5 g/cm3) [*A] Hill radius rH: 210000 km [*D] other data, primary: diameter dp: 65 ± 15 km [G09a] rotation period RPp: ? amplitude in mag., rotational ΔM: ? pole direction Β, λ: ? , ? other data, secondary: diameter ds: 51 ± 12 km [*D] diameter ratio ds/dp: 0.787 ± 0.011 [G09a] component mag. difference ΔM: 0.519 ± 0.031 [G09a] rotation period RPs: ?