2024 YU4

--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 (PHA) orbital data, primary (osculating elements) [JPL] : semimajor axis a: 1.863564345 AU orbital period P: 2.54404501 yr (= 929.212441 d) eccentricity e: 0.72814102 perihelion distance q: 0.5066267 AU aphelion distance Q: 3.220501987 AU inclination i: 27.796662° argument of perihelion ω: 100.288304° ascending node Ω: 141.5411725° mean anomaly M: 15.6870844° perihelion passage TP: 2025 Mar 25.509350 Epoch: 2025 May 05 data arc: 2002-2025 (208 obs.) Earth MOID: 0.00939183 AU Jupiter Tisserand invariant TJ: 3.518 orbital data, secondary: semimajor axis as: ? orbital period Ps: ? eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 19.04 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 0.69 km [*E] geometric albedo: (0.09 ) [*A] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.6 g/cm3) [*A] Hill radius rH: 100 km [*E] other data, primary: diameter dp: 0.69 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: ?