(8007) 1988 RU6

--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: 2.6333090824 AU orbital period P: 4.273276139 yr (= 1560.8141098 d) eccentricity e: 0.14575707359 perihelion distance q: 2.2494856567 AU aphelion distance Q: 3.0171325081 AU inclination i: 1.834701999° argument of perihelion ω: 27.0820639° ascending node Ω: 198.2371271° mean anomaly M: 42.53604079° perihelion passage TP: 2025 Dec 06.5809649 Epoch: 2026 Jun 09 data arc: 1950-2026 (4131 obs.) Earth MOID: 1.24077 AU Jupiter Tisserand invariant TJ: 3.383 orbital data, secondary: semimajor axis as: 24.1 km (separation) [O26a] separation/primary radius as/rp: 4.4 [*E] separation/Hill radius as/rH: 0.012 [*E] orbital period Ps: 0.99 d [*E] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 13.87 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 9.02 ± 0.27 km [M19a] geometric albedo: 0.079 ± 0.008 [M19a] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 1900 km [*E] other data, primary: diameter dp: 11 km [O26a] rotation period RPp: 3.918 h [JPL] amplitude in mag., rotational ΔM: ? pole direction Β, λ: ? , ? other data, secondary: diameter ds: 3 ± 0.5 km [O26a] diameter ratio ds/dp: 0.27 ± 0.05 [*D] component mag. difference ΔM: 2.82 ± 0.37 [*D] rotation period RPs: ?