(85275) 1994 LY

--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: 1.8901669005 AU orbital period P: 2.598664602 yr (= 949.1801723 d) eccentricity e: 0.441921613 perihelion distance q: 1.054861294 AU aphelion distance Q: 2.7254725069 AU inclination i: 17.7184392° argument of perihelion ω: 202.811558° ascending node Ω: 141.1640441° mean anomaly M: 321.4794939° perihelion passage TP: 2020 Sep 09.5636129 Epoch: 2020 May 31 data arc: 1994-2020 (3266 obs.) Earth MOID: 0.0645006 AU Jupiter Tisserand invariant TJ: 3.783 orbital data, secondary: semimajor axis as: 4.2 km [*E] separation/primary radius as/rp: 3.4 [*E] separation/Hill radius as/rH: 0.021 [*E] orbital period Ps: 0.69265 ± 0.00003 d [W20c] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 16.1 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 2.51 ± 1.18 km [N16c] geometric albedo: 0.093 ± 0.136 [N16c] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 200 km [*E] other data, primary: diameter dp: 2.44 km [*D] rotation period RPp: 2.696 ± 0.00003 h [W20c] amplitude in mag., rotational ΔM: 0.1 ± 0.01 [W20c] amplitude in mag., mutual events ΔM: 0.08 ±0.01 [W20c] pole direction Β, λ: ? , ? other data, secondary: diameter ds: >0.59 km [*D] diameter ratio ds/dp: >0.24 ± 0.02 [W20c] component mag. difference ΔM: <3.1 [*D] rotation period RPs: ?