(13123) Tyson

--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: 2.3596776562 AU orbital period P: 3.624826487 yr (= 1323.9678743 d) eccentricity e: 0.271268829 perihelion distance q: 1.719570661 AU aphelion distance Q: 2.9997846518 AU inclination i: 23.28485684° argument of perihelion ω: 251.9304156° ascending node Ω: 68.7982681° mean anomaly M: 98.3846709° perihelion passage TP: 2020 Jul 04.171823 Epoch: 2021 Jul 01 data arc: 1953-2021 (2553 obs.) Earth MOID: 0.833952 AU Jupiter Tisserand invariant TJ: 3.396 orbital data, secondary: semimajor axis as: ? orbital period Ps: ? eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 12.5 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 10.87 ± 2.26 km [M11b] geometric albedo: 0.197 ± 0.083 [M11b] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 1500 km [*E] other data, primary: diameter dp: 10.87 ± 2.26 km [M11b] rotation period RPp: 3.3303 ± 0.0002 h [O15*] amplitude in mag., rotational ΔM: 0.2 [O15*] pole direction Β, λ: ? , ? other data, secondary: diameter ds: ? diameter ratio ds/dp: ? component mag. difference ΔM: ? rotation period RPs: 3.862 ± 0.002 h [O15*]