(48470) Wedemeyer

--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, inner orbital data, primary (osculating elements) [JPL] : semimajor axis a: 1.921191559 AU orbital period P: 2.6629573268 yr (= 972.64516362 d) eccentricity e: 0.1197950608 perihelion distance q: 1.6910422993 AU aphelion distance Q: 2.1513408187 AU inclination i: 24.96693395° argument of perihelion ω: 55.48245131° ascending node Ω: 26.78312657° mean anomaly M: 230.77931842° perihelion passage TP: 2026 Nov 05.1274194 Epoch: 2025 Nov 21 data arc: 1990-2025 (2690 obs.) Earth MOID: 0.756939 AU Jupiter Tisserand invariant TJ: 3.802 orbital data, secondary: semimajor axis as: 3.9 km [*E] separation/primary radius as/rp: 2.7 [*E] separation/Hill radius as/rH: 0.010 [*E] orbital period Ps: 0.4658 ± 0.0002 d [W23e] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 14.96 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 3.03 km [*E] geometric albedo: (0.2 ) [*A] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 390 km [*E] other data, primary: diameter dp: 2.91 km [*E] axial ratios a/b, b/c: 1.1, ? [*E] rotation period RPp: 2.5141 ± 0.0002 h [W23e] amplitude in mag., rotational ΔM: 0.11 [W23e] amplitude in mag., mutual events ΔM: 0.085 ±0.005 [W23e] pole direction Β, λ: ? , ? other data, secondary: diameter ds: >0.82 km [*E] diameter ratio ds/dp: >0.28 ± 0.02 [W23e] component mag. difference ΔM: <2.76 ± 0.16 [*D] rotation period RPs: ?