(69406) Martz-Kohl

--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, inner orbital data, primary (osculating elements) [JPL] : semimajor axis a: 1.843932099 AU orbital period P: 2.503949634 yr (= 914.5676037 d) eccentricity e: 0.022388577 perihelion distance q: 1.80264908 AU aphelion distance Q: 1.885215115 AU inclination i: 21.995097° argument of perihelion ω: 309.11116° ascending node Ω: 299.345663° mean anomaly M: 284.53533° perihelion passage TP: 2014 Nov 30.715 Epoch: 2014 May 23 data arc: 1995-2014 (576 obs.) Earth MOID: 0.799198 AU Jupiter Tisserand invariant TJ: 3.926 orbital data, secondary: semimajor axis as: 5.3 km [*E] separation/primary radius as/rp: 3.4 [*E] separation/Hill radius as/rH: 0.012 [*E] orbital period Ps: 0.6713 ± 0.0008 d [W14b] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 14.4 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 3.18 ± 0.02 km [M11b] geometric albedo: 0.332 ± 0.045 [M11b] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 440 km [*E] other data, primary: diameter dp: 3.12 ± 0.02 km [*D] rotation period RPp: 4.486 ± 0.001 h [W14b] amplitude in mag., rotational ΔM: 0.15 ± 0.03 [W14b] amplitude in mag., mutual events ΔM: 0.04 [W14b] pole direction Β, λ: ? , ? other data, secondary: diameter ds: 0.59 ± 0.06 km [*D] diameter ratio ds/dp: >0.19 ± 0.02 [W14b] component mag. difference ΔM: <3.6 ± 0.2 [*D] rotation period RPs: ?