(2080) Jihlava

--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: 2.17645228608 AU orbital period P: 3.21093806196 yr (= 1172.79512713 d) eccentricity e: 0.06064902668 perihelion distance q: 2.0444525733 AU aphelion distance Q: 2.30845199883 AU inclination i: 3.847927708° argument of perihelion ω: 51.20786989° ascending node Ω: 23.80108915° mean anomaly M: 65.05974235° perihelion passage TP: 2023 Sep 01.0506978 Epoch: 2024 Mar 31 data arc: 1955-2024 (4568 obs.) Earth MOID: 1.06193 AU Jupiter Tisserand invariant TJ: 3.679 orbital data, secondary: semimajor axis as: 12.8747500640691 km [*E] separation/primary radius as/rp: 4.6 [*E] separation/Hill radius as/rH: 0.014 [*E] orbital period Ps: 1.0762 ± 0.0004 d [B24e] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 13.12 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 5.77 ± 0.69 km [**] geometric albedo: 0.633 ± 0.0259 [**] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 890 km [*E] other data, primary: diameter dp: 5.54 ± 0.66 km [*D] rotation period RPp: 2.7088 ± 0.0002 h [B24e] amplitude in mag., rotational ΔM: 0.17 [B24e] amplitude in mag., mutual events ΔM: 0.09 [B24e] pole direction Β, λ: ? , ? other data, secondary: diameter ds: 1.61 ± 0.22 km [*D] diameter ratio ds/dp: 0.29 ± 0.02 [B24e] component mag. difference ΔM: 2.69 ± 0.15 [*D] rotation period RPs: ?