(523625) 2008 DG17

--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: 1.837644959 AU orbital period P: 2.491154217 yr (= 909.8940778 d) eccentricity e: 0.44947160 perihelion distance q: 1.01167574 AU aphelion distance Q: 2.663614175 AU inclination i: 41.111473° argument of perihelion ω: 214.983904° ascending node Ω: 324.4053285° mean anomaly M: 170.136685° perihelion passage TP: 2013 Mar 18.98232 Epoch: 2014 May 23 data arc: 2008-2013 (177 obs.) Earth MOID: 0.0807832 AU Jupiter Tisserand invariant TJ: 3.631 orbital data, secondary: semimajor axis as: ? orbital period Ps: ? eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 19.7 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 0.38 km [*E] geometric albedo: (0.16 ) [*A] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 30 km [*E] other data, primary: diameter dp: 0.38 km [*E] rotation period RPp: ? amplitude in mag., rotational ΔM: ? pole direction Β, λ: ? , ? other data, secondary: diameter ds: ? diameter ratio ds/dp: ? component mag. difference ΔM: ? rotation period RPs: ?