(143649) 2003 QQ47

--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: 1.0853944594 AU orbital period P: 1.1307885452 yr (= 413.02831666 d) eccentricity e: 0.186964535 perihelion distance q: 0.882464189 AU aphelion distance Q: 1.2883247299 AU inclination i: 62.1005666° argument of perihelion ω: 104.9700391° ascending node Ω: 0.990674° mean anomaly M: 204.595929° perihelion passage TP: 2021 Dec 26.295227 Epoch: 2021 Jul 01 data arc: 2003-2021 (581 obs.) Earth MOID: 0.003443 AU Jupiter Tisserand invariant TJ: 5.214 orbital data, secondary: semimajor axis as: 1.4 km [*E] separation/primary radius as/rp: 3.0 [*E] separation/Hill radius as/rH: 0.021 [*E] orbital period Ps: 0.54438 ± 0.00075 d [P21f] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 17.41 [MPC] 17.66 ± 0.32 [P21f] slope parameter G: (0.33) [*A] effective diameter dE: 0.995 ± 0.42 km [N19a] geometric albedo: 0.136 ± 0.079 [N19a] color index U-B: ? color index B-V: ? color index V-R: 0.426 ± 0.01 [P21f] taxonomic type: Sq (SMASSII) [P21f] mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 66 km [*E] other data, primary: diameter dp: 0.94 ± 0.40 km [*D] rotation period RPp: 2.6446 ± 0.0007 h [P12f] amplitude in mag., rotational ΔM: 0.07 [P21f] amplitude in mag., mutual events ΔM: 0.11 [P21f] pole direction Β, λ: ? , ? other data, secondary: diameter ds: 0.31 ± 0.13 km [*D] axial ratios a/b, b/c: 1.4;? [] diameter ratio ds/dp: 0.33 ± 0.02 [P21f] component mag. difference ΔM: 2.41 ± 0.13 [*D] rotation period RPs: 13.065 ± 0.018 h [P21f]