(5425) Vojtech

--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: 2.454054108 AU orbital period P: 3.844379042 yr (= 1404.185965 d) eccentricity e: 0.13464616 perihelion distance q: 2.12362515 AU aphelion distance Q: 2.78448307 AU inclination i: 6.2689129° argument of perihelion ω: 25.373578° ascending node Ω: 355.93676° mean anomaly M: 349.43684° perihelion passage TP: 2015 Aug 07.201780 Epoch: 2015 Jun 27 data arc: 1955-2015 (1291 obs.) Earth MOID: 1.1279 AU Jupiter Tisserand invariant TJ: 3.473 orbital data, secondary: semimajor axis as: 16 km [*E] separation/primary radius as/rp: 4.6 [*D] separation/Hill radius as/rH: 0.012 [*D] orbital period Ps: 1.0596 ± 0.0008 d [S15d] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 13 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 7.05 ± 0.13 km [M11b] geometric albedo: 0.246 ± 0.02 [M11b] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 1300 km [*E] other data, primary: diameter dp: 6.89 ± 0.13 km [*D] axial ratios a/b, b/c: 1.3, ? [S15d] rotation period RPp: 2.64759 ± 0.000004 h [S15d] amplitude in mag., rotational ΔM: 0.27 ± 0.02 [S15d] amplitude in mag., mutual events ΔM: 0.065 ±0.015 [S15d] pole direction Β, λ: ? , ? other data, secondary: diameter ds: 1.52 ± 0.14 km [*D] diameter ratio ds/dp: 0.22 ± 0.02 [S15d] component mag. difference ΔM: 3.3 ± 0.2 [*D] rotation period RPs: ?