(5319) Petrovskaya

--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: 2.2569793721 AU orbital period P: 3.390779798 yr (= 1238.4823212 d) eccentricity e: 0.153385406 perihelion distance q: 1.910791676 AU aphelion distance Q: 2.6031670685 AU inclination i: 6.2333154° argument of perihelion ω: 81.757166° ascending node Ω: 200.445347° mean anomaly M: 26.237527° perihelion passage TP: 2022 May 10.736908 Epoch: 2022 Aug 09 data arc: 1951-2022 (2944 obs.) Earth MOID: 0.906543 AU Jupiter Tisserand invariant TJ: 3.599 orbital data, secondary: semimajor axis as: ? orbital period Ps: 1.1867 ± 0.0004 d [B22k] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 13.77 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 4.91 ± 0.22 km [M**] geometric albedo: 0.351 ± 0.046 [M**] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 710 km [*E] other data, primary: diameter dp: 4.75 km [*D] rotation period RPp: 3.3604 ± 0.0002 h [B22k] amplitude in mag., rotational ΔM: ? pole direction Β, λ: ? , ? other data, secondary: diameter ds: >1.24 km [*D] diameter ratio ds/dp: >0.26 [B22k] component mag. difference ΔM: <2.9 [*D] rotation period RPs: ?