(68063) 2000 YJ66

--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, Amor orbital data, primary (osculating elements) [JPL] : semimajor axis a: 2.3328332051 AU orbital period P: 3.563146959 yr (= 1301.4394266 d) eccentricity e: 0.458078287 perihelion distance q: 1.264212966 AU aphelion distance Q: 3.401453444 AU inclination i: 5.7216703° argument of perihelion ω: 50.282324° ascending node Ω: 308.86487° mean anomaly M: 335.3823629° perihelion passage TP: 2021 Sep 27.9954541 Epoch: 2021 Jul 01 data arc: 1989-2021 (1563 obs.) Earth MOID: 0.272307 AU Jupiter Tisserand invariant TJ: 3.415 orbital data, secondary: semimajor axis as: 3.8 km [*E] separation/primary radius as/rp: 3.3 [*E] separation/Hill radius as/rH: 0.017 [*E] orbital period Ps: 0.6538 ± 0.0008 d [W15a] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 15.43 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 2.30 ± 0.07 km [N15e] geometric albedo: 0.211 ± 0.037 [N15e] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 230 km [*E] other data, primary: diameter dp: 2.30 ± 0.07 km [N15e] rotation period RPp: 2.1102 ± 0.0005 h [W15a] 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: 15.69 ± 0.02 h [W15a]