(10424) Gaillard

--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: 2.3480175005 AU orbital period P: 3.5979920264 yr (= 1314.1665876 d) eccentricity e: 0.1148641602 perihelion distance q: 2.0783144422 AU aphelion distance Q: 2.6177205589 AU inclination i: 2.26045108° argument of perihelion ω: 202.9178789° ascending node Ω: 358.271914° mean anomaly M: 259.15299376° perihelion passage TP: 2024 Sep 15.1382391 Epoch: 2023 Sep 13 data arc: 1988-2024 (2565 obs.) Earth MOID: 1.07448 AU Jupiter Tisserand invariant TJ: 3.55 orbital data, secondary: semimajor axis as: 6.5 km (separation) [G24a] separation/primary radius as/rp: 3 [*E] separation/Hill radius as/rH: 0.009 [*E] orbital period Ps: 1.7575 ± 0.0008 d [G24a] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 15.12 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 6.56 ± 0.04 km [M19a] geometric albedo: 0.045 ± 0.007 [M19a] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 740 km [*E] other data, primary: diameter dp: >4.3 km [G24a] rotation period RPp: 42.18 ± 0.02 h [G24a] amplitude in mag., rotational ΔM: ? pole direction Β, λ: ? , ? other data, secondary: diameter ds: >2.6 km [G24a] diameter ratio ds/dp: 0.63 [G24a] component mag. difference ΔM: 1 [*D] rotation period RPs: 42.18 ± 0.02 h [G24a]