(108968) 2001 PE40

--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, outer orbital data, primary (osculating elements) [JPL] : semimajor axis a: 3.4115110393 AU orbital period P: 6.301274132 yr (= 2301.5403768 d) eccentricity e: 0.05856479994 perihelion distance q: 3.2117165778 AU aphelion distance Q: 3.6113055008 AU inclination i: 15.104682829° argument of perihelion ω: 341.8772985° ascending node Ω: 213.21141522° mean anomaly M: 63.7078387° perihelion passage TP: 2024 Mar 23.7051027 Epoch: 2025 May 05 data arc: 1999-2025 (1532 obs.) Earth MOID: 2.21188 AU Jupiter Tisserand invariant TJ: 3.086 orbital data, secondary: semimajor axis as: 23.9 km (separation) [W25b] separation/primary radius as/rp: 5.2 [*D] separation/Hill radius as/rH: 0.011 [*D] orbital period Ps: 1.4 d [*E] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 14.43 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 9.18 ± 0.23 km [M19a] geometric albedo: 0.04 ± 0.01 [M19a] color index U-B: ? color index B-V: ? taxonomic type: ? mass m: ? density ρ: (1.3 g/cm3) [*A] Hill radius rH: 2200 km [*E] other data, primary: diameter dp: 9.18 ± 0.23 km [M19a] dimensions : 12.6 x 6.8 km [W25b] axial ratios a/b, b/c: 1.9, ? [*D] rotation period RPp: ? amplitude in mag., rotational ΔM: ? pole direction Β, λ: ? , ? other data, secondary: diameter ds: 2.3 km [*D] axial ratios a/b, b/c: 1.6;? [*D] diameter ratio ds/dp: 0.25 [*D] component mag. difference ΔM: 3.0 [*D] rotation period RPs: ?