(7889) 1994 LX

--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 orbital data, primary (osculating elements) [JPL] : semimajor axis a: 1.2615564446 AU orbital period P: 1.4169947201 yr (= 517.55732152 d) eccentricity e: 0.346250826 perihelion distance q: 0.824741484 AU aphelion distance Q: 1.6983714056 AU inclination i: 36.9064927° argument of perihelion ω: 349.1821256° ascending node Ω: 111.2693938° mean anomaly M: 140.6406569° perihelion passage TP: 2022 Jan 18.806662 Epoch: 2022 Aug 09 data arc: 1977-2022 (2558 obs.) Earth MOID: 0.153091 AU Jupiter Tisserand invariant TJ: 4.863 orbital data, secondary: semimajor axis as: 5.4 km [*E] separation/primary radius as/rp: 6.8 [*E] separation/Hill radius as/rH: 0.034 [*E] orbital period Ps: 1.88 ± 0.003 d [W22f] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 15.15 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 1.68 ± 0.07 km [M**] geometric albedo: 0.452 ± 0.048 [M**] color index U-B: ? color index B-V: ? taxonomic type: V (SMASSII) [JPL] mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 160 km [*E] other data, primary: diameter dp: 1.60 km [*D] rotation period RPp: 2.74001 ± 0.00007 h [W22f] amplitude in mag., rotational ΔM: 0.33 ± 0.02 [W22f] amplitude in mag., mutual events ΔM: 0.15 ±0.01 [W22f] pole direction Β, λ: ? , ? other data, secondary: diameter ds: >0.53 km [*D] diameter ratio ds/dp: >0.33 ± 0.02 [W22f] component mag. difference ΔM: <2.41 ± 0.13 [*D] rotation period RPs: ?