(8895) Nha

--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: 2.24892467419 AU orbital period P: 3.37264450258 yr (= 1231.85840457 d) eccentricity e: 0.17473520562 perihelion distance q: 1.8559583588 AU aphelion distance Q: 2.64189098956 AU inclination i: 3.956717435° argument of perihelion ω: 135.32153322° ascending node Ω: 158.65458436° mean anomaly M: 321.25676161° perihelion passage TP: 2025 Sep 14.5727329 Epoch: 2025 May 05 data arc: 1971-2025 (4387 obs.) Earth MOID: 0.842629 AU Jupiter Tisserand invariant TJ: 3.605 orbital data, secondary: semimajor axis as: 6.9 km [*E] separation/primary radius as/rp: 3.3 [*E] separation/Hill radius as/rH: 0.011 [*E] orbital period Ps: 0.6342 ± 0.0004 d [B25j] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 13.9 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 4.40 ± 0.42 km [M19a] geometric albedo: 0.332 ± 0.074 [M19a] color index U-B: ? color index B-V: ? color index J-H: 0.51 ± 0.081 [S10b] taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 620 km [*E] other data, primary: diameter dp: 4.24 ± 0.40 km [*D] axial ratios a/b, b/c: 1.1, ? [*E] rotation period RPp: 2.7629 ± 0.0001 h [B25j] amplitude in mag., rotational ΔM: 0.1 [B25j] amplitude in mag., mutual events ΔM: 0.08 [B25j] pole direction Β, λ: ? , ? other data, secondary: diameter ds: >1.19 km [*D] diameter ratio ds/dp: >0.28 [B25j] component mag. difference ΔM: <2.8 [*D] rotation period RPs: ?