(7040) Harwood

--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: 2.23456373584 AU orbital period P: 3.3403911309 yr (= 1220.07786056 d) eccentricity e: 0.13025762786 perihelion distance q: 1.9434947643 AU aphelion distance Q: 2.52563270738 AU inclination i: 6.742407649° argument of perihelion ω: 54.62584196° ascending node Ω: 181.301379° mean anomaly M: 3.72673331° perihelion passage TP: 2026 May 27.3697089 Epoch: 2026 Jun 09 data arc: 1960-2026 (4792 obs.) Earth MOID: 0.942041 AU Jupiter Tisserand invariant TJ: 3.619 orbital data, secondary: semimajor axis as: 6.2 km [*E] separation/primary radius as/rp: 3.3 [*E] separation/Hill radius as/rH: 0.010 [*E] orbital period Ps: 0.57883 ± 0.00012 d [B26i] eccentricity es: ? normalized ang. mom. αL: ?

other data, system (combined): absolute mag. H: 14.2 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 3.88 ± 0.22 km [M19a] geometric albedo: 0.323 ± 0.098 [M19a] color index U-B: ? color index B-V: ? color index J-H: 0.855 ± 0.237 [S10b] taxonomic type: S mass m: ? density ρ: (2.0 g/cm3) [*A] Hill radius rH: 620 km [*E] other data, primary: diameter dp: 3.77 ± 0.21 km [*D] axial ratios a/b, b/c: 1.1, ? [*E] rotation period RPp: 2.8555 ± 0.0003 h [B26i] amplitude in mag., rotational ΔM: 0.08 [B26i] amplitude in mag., mutual events ΔM: 0.06 [B26i] pole direction Β, λ: ? , ? other data, secondary: diameter ds: >0.91 km [*D] diameter ratio ds/dp: >0.24 [B26i] component mag. difference ΔM: <3.1 [*D] rotation period RPs: ?