(761) Brendelia

--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: 2.86277336617 AU orbital period P: 4.8438273428 yr (= 1769.20793697 d) eccentricity e: 0.06187914066 perihelion distance q: 2.6856274104 AU aphelion distance Q: 3.039919322 AU inclination i: 2.154927914° argument of perihelion ω: 298.509109° ascending node Ω: 23.708636° mean anomaly M: 4.80566712° perihelion passage TP: 2024 Sep 23.3827100 Epoch: 2024 Oct 17 data arc: 1904-2024 (8496 obs.) Earth MOID: 1.67388 AU Jupiter Tisserand invariant TJ: 3.297 orbital data, secondary: semimajor axis as: 72 km [*E] separation/primary radius as/rp: 9.9 [*E] separation/Hill radius as/rH: 0.019 [*E] orbital period Ps: 2.3783 ± 0.0007 d [C24a] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 10.89 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 20.76 ± 0.3 km [M19a] geometric albedo: 0.156 ± 0.021 [M19a] color index U-B: 0.412 ± 0.034 [T95a] color index B-V: 0.758 ± 0.023 [T95a] color index J-H: 0.252 ± 0.066 [S10b] taxonomic type: S (SMASSII) [LMP] SC (Tholen) [JPL] mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 3900 km [*D] other data, primary: diameter dp: 14.7 km [*D] rotation period RPp: 57.079 ± 0.016 h [C24a] amplitude in mag., rotational ΔM: 0.7 ± 0.1 [C24a] pole direction Β, λ: ? , ? other data, secondary: diameter ds: 14.7 km [*D] diameter ratio ds/dp: 1.0 [C24a] component mag. difference ΔM: 0.0 [*D] rotation period RPs: 57.079 ± 0.016 h [C24a]