(27150) Annasante

--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: 2.8067972728 AU orbital period P: 4.7024563298 yr (= 1717.5721745 d) eccentricity e: 0.1077333688 perihelion distance q: 2.5044115472 AU aphelion distance Q: 3.1091829985 AU inclination i: 14.159563527° argument of perihelion ω: 189.62229397° ascending node Ω: 236.05614188° mean anomaly M: 315.64444889° perihelion passage TP: 2027 Jan 06.6218344 Epoch: 2026 Jun 09 data arc: 1951-2025 (3107 obs.) Earth MOID: 1.51758 AU Jupiter Tisserand invariant TJ: 3.27 orbital data, secondary: semimajor axis as: 16.4 km (separation) [C26c] separation/primary radius as/rp: 3.6 [*E] separation/Hill radius as/rH: 0.0094 [*E] orbital period Ps: 0.76 d [*E] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 14.07 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 9.06 ± 0.16 km [M19a] geometric albedo: 0.058 ± 0.009 [M19a] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 1800 km [*E] other data, primary: diameter dp: 9.0 km [*D] rotation period RPp: 85.7333 h [JPL] amplitude in mag., rotational ΔM: ? pole direction Β, λ: ? , ? other data, secondary: diameter ds: 1.1 km [*D] dimensions : 1.3 x 0.9 km [C26c] axial ratios a/b, b/c: 1.4; ? [*D] diameter ratio ds/dp: 0.12 [*D] component mag. difference ΔM: 4.6 [*D] rotation period RPs: ?