(3336) Grygar

--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: 2.32428989177 AU orbital period P: 3.5435914284 yr (= 1294.29676922 d) eccentricity e: 0.18659743749 perihelion distance q: 1.890583354 AU aphelion distance Q: 2.75799642955 AU inclination i: 0.858466577° argument of perihelion ω: 123.98120654° ascending node Ω: 242.5994535° mean anomaly M: 1.16033023° perihelion passage TP: 2024 Oct 12.8283009 Epoch: 2024 Oct 17 data arc: 1971-2024 (4281 obs.) Earth MOID: 0.888698 AU Jupiter Tisserand invariant TJ: 3.552 orbital data, secondary: semimajor axis as: 6.2 km [*E] separation/primary radius as/rp: 3.5 [*E] separation/Hill radius as/rH: 0.011 [*E] orbital period Ps: 0.64521 ± 0.00017 d [B24s] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 14.62 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 3.56 ± 0.06 km [M19a] geometric albedo: 0.252 ± 0.04 [M19a] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (2 g/cm3) [*A] Hill radius rH: 550 km [*E] other data, primary: diameter dp: 3.48 ± 0.06 km [*D] axial ratios a/b, b/c: 1.10662378397767, ? [*E] rotation period RPp: 2.81491 ± 0.0001 h [B24s] amplitude in mag., rotational ΔM: 0.11 [B24s] amplitude in mag., mutual events ΔM: 0.075 ±0.025 [B24s] pole direction Β, λ: ? , ? other data, secondary: diameter ds: >0.76 km [*D] diameter ratio ds/dp: >0.22 [B24s] component mag. difference ΔM: <3.3 [*D] rotation period RPs: ?