(458122) 2010 EW45

--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: NEA, Apollo (PHA) orbital data, primary (osculating elements) [JPL] : semimajor axis a: 2.0667671618 AU orbital period P: 2.971293351 yr (= 1085.2648964 d) eccentricity e: 0.668957764 perihelion distance q: 0.684187223 AU aphelion distance Q: 3.4493471001 AU inclination i: 2.1183892° argument of perihelion ω: 135.58188° ascending node Ω: 232.91895° mean anomaly M: 353.5962769° perihelion passage TP: 2024 Nov 05.3048218 Epoch: 2024 Oct 17 data arc: 1999-2024 (568 obs.) Earth MOID: 0.0189547 AU Jupiter Tisserand invariant TJ: 3.454 orbital data, secondary: semimajor axis as: 2 km (separation) [*E] separation/primary radius as/rp: 5.3 [*E] separation/Hill radius as/rH: 0.049 [*E] orbital period Ps: 1.3 d [*E] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 17.61 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 0.76 km [T16a] geometric albedo: 0.181 [T16a] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 40 km [*E] other data, primary: diameter dp: 0.76 km [T16a] rotation period RPp: ? amplitude in mag., rotational ΔM: ? pole direction Β, λ: ? , ? other data, secondary: diameter ds: ? diameter ratio ds/dp: ? component mag. difference ΔM: ? rotation period RPs: ?