(3865) Lindbloom

--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: 2.397321843 AU orbital period P: 3.7118422744 yr (= 1355.7759962 d) eccentricity e: 0.079669028 perihelion distance q: 2.206329542 AU aphelion distance Q: 2.5883141435 AU inclination i: 6.5540755° argument of perihelion ω: 32.45282° ascending node Ω: 214.460848° mean anomaly M: 109.748509° perihelion passage TP: 2019 Apr 13.682240 Epoch: 2020 May 31 data arc: 1971-2020 (2726 obs.) Earth MOID: 1.19639 AU Jupiter Tisserand invariant TJ: 3.515 orbital data, secondary: semimajor axis as: 17 km [*E] separation/primary radius as/rp: 5.09 [*E] separation/Hill radius as/rH: 0.014 [*E] orbital period Ps: 1.084 ± 0.00008 d [C20**] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 12.8 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 7.97 ± 0.07 km [M**] geometric albedo: 0.088 ± 0.009 [M**] color index U-B: ? color index B-V: ? taxonomic type: Xc (SMASSII) [JPL] mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 1200 km [*E] other data, primary: diameter dp: <6.68 km [*D] rotation period RPp: 26.016 ± 0.002 h [C20**] amplitude in mag., rotational ΔM: 0.27 [C20**] amplitude in mag., mutual events ΔM: 0.38 [C20**] pole direction Β, λ: ? , ? other data, secondary: diameter ds: >4.34 km [*D] diameter ratio ds/dp: >0.65 [C20**] component mag. difference ΔM: <0.94 [*D] rotation period RPs: 26.016 ± 0.002 h [C20**]