(100624) 1997 TR28

--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: Jupiter trojan asteroid, L4 orbital data, primary (osculating elements) [JPL] : semimajor axis a: 5.204255226 AU orbital period P: 11.87260674 yr (= 4336.469611 d) eccentricity e: 0.123833471 perihelion distance q: 4.55979424 AU aphelion distance Q: 5.848716213 AU inclination i: 4.3798478° argument of perihelion ω: 215.660563° ascending node Ω: 187.221739° mean anomaly M: 57.296958° perihelion passage TP: 2022 May 10.81523 Epoch: 2024 Mar 31 data arc: 1996-2024 (1070 obs.) Earth MOID: 3.56993 AU Jupiter Tisserand invariant TJ: 2.979 orbital data, secondary: semimajor axis as: 25 km [I24a] separation/primary radius as/rp: 3.3 [*E] separation/Hill radius as/rH: 0.0047 [*E] orbital period Ps: 0.65 d [*E] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 12.75 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 16 km [*E] geometric albedo: (0.057 ) [*A] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 5400 km [*E] other data, primary: diameter dp: 15 km [*E] rotation period RPp: 11.29 h [JPL] amplitude in mag., rotational ΔM: ? pole direction Β, λ: ? , ? other data, secondary: diameter ds: 4 km [I24a] diameter ratio ds/dp: 0.27 [*D] component mag. difference ΔM: 2.8 [*D] rotation period RPs: ?