(15024) 1998 TB

--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: main belt asteroid orbital data, primary (osculating elements) [JPL] : semimajor axis a: 2.435550603 AU orbital period P: 3.801053113 yr (= 1388.3346495 d) eccentricity e: 0.116421868 perihelion distance q: 2.151999251 AU aphelion distance Q: 2.7191019547 AU inclination i: 5.95178905° argument of perihelion ω: 354.369344° ascending node Ω: 110.2002356° mean anomaly M: 5.8619777° perihelion passage TP: 2021 Dec 29.393370 Epoch: 2022 Jan 21 data arc: 1979-2022 (2358 obs.) Earth MOID: 1.16887 AU Jupiter Tisserand invariant TJ: 3.488 orbital data, secondary: semimajor axis as: 9.2 km [*E] separation/primary radius as/rp: 3.7 [*E] separation/Hill radius as/rH: 0.010 [*E] orbital period Ps: 0.7554 ± 0.0004 d [C22a] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 14.03 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 5.2 km [*E] geometric albedo: (0.16 ) [*A] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 960 km [*E] other data, primary: diameter dp: 5.0 km [*E] rotation period RPp: 2.4703 ± 0.0004 h [C22a] amplitude in mag., rotational ΔM: 0.17 [C22a] amplitude in mag., mutual events ΔM: 0.085 ±0.035 [C22a] pole direction Β, λ: ? , ? other data, secondary: diameter ds: >1.1 km [*E] diameter ratio ds/dp: >0.22 [C22a] component mag. difference ΔM: <3.3 [*D] rotation period RPs: ?