2013 PY6

--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: 2.283398735 AU orbital period P: 3.450425337 yr (= 1260.291656 d) eccentricity e: 0.463932351 perihelion distance q: 1.22405619 AU aphelion distance Q: 3.342741279 AU inclination i: 3.4207654° argument of perihelion ω: 194.051163° ascending node Ω: 196.906254° mean anomaly M: 318.023136° perihelion passage TP: 2020 Oct 24.953032 Epoch: 2020 May 31 data arc: 1982-2020 (752 obs.) Earth MOID: 0.230106 AU Jupiter Tisserand invariant TJ: 3.45 orbital data, secondary: semimajor axis as: 1.2 km [*E] separation/primary radius as/rp: 4.62 [*E] separation/Hill radius as/rH: 0.024 [*E] orbital period Ps: 1.138 ± 0.003 d [C20**] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 19 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 0.53 km [*E] geometric albedo: (0.16 ) [*A] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 50 km [*E] other data, primary: diameter dp: 0.52 km [*E] rotation period RPp: 3.6246 ± 0.001 h [C20**] amplitude in mag., rotational ΔM: 0.1 [C20**] amplitude in mag., mutual events ΔM: 0.09 ±0.03 [C20**] pole direction Β, λ: ? , ? other data, secondary: diameter ds: 0.12 km [*E] diameter ratio ds/dp: 0.24 ± 0.02 [C20**] component mag. difference ΔM: 3.10 ± 0.18 [*D] rotation period RPs: ?