(3927) Feliciaplatt

--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: 2.19478006254 AU orbital period P: 3.2515820084 yr (= 1187.64032857 d) eccentricity e: 0.1350830715 perihelion distance q: 1.8983024305 AU aphelion distance Q: 2.49125769455 AU inclination i: 1.952784093° argument of perihelion ω: 26.3023892° ascending node Ω: 255.3879274° mean anomaly M: 147.72395873° perihelion passage TP: 2024 Jan 03.6585253 Epoch: 2025 May 05 data arc: 1978-2025 (5326 obs.) Earth MOID: 0.88224 AU Jupiter Tisserand invariant TJ: 3.657 orbital data, secondary: semimajor axis as: 5.6 km? [H25a] separation/primary radius as/rp: 2.7 [*E] separation/Hill radius as/rH: 0.0082 [*E] orbital period Ps: 0.41 d [*E] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 14.12 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 4.00 ± 0.09 km [M19a] geometric albedo: 0.278 ± 0.026 [M19a] color index U-B: ? color index B-V: ? color index J-H: 0.526 ± 0.099 [S10b] taxonomic type: S mass m: ? density ρ: (2 g/cm3) [*A] Hill radius rH: 680 km [*E] other data, primary: diameter dp: 4.22 km [*D] dimensions : 4.57 x 3.90 km [H25a] axial ratios a/b, b/c: 1.17, ? [*D] rotation period RPp: ? amplitude in mag., rotational ΔM: ? pole direction Β, λ: ? , ? other data, secondary: diameter ds: >1.65 km [H25a] diameter ratio ds/dp: >0.39 [*D] component mag. difference ΔM: <2.04 [*D] rotation period RPs: ?