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(762) Pulcova

Asteroids with Satellites Database--Johnston's Archive


(762) Pulcova

compiled by Wm. Robert Johnston
last updated 21 September 2014

--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: 3.156222142 AU orbital period P: 5.607374286 yr
(= 2048.093458 d) eccentricity e: 0.102891933 perihelion distance q: 2.83147234 AU aphelion distance Q: 3.480971941 AU inclination i: 13.0890117° argument of perihelion ω: 189.188587° ascending node Ω: 305.764338° mean anomaly M: 208.258441° perihelion passage TP: 2016 Oct 02.2802 Epoch: 2014 May 23 data arc: 1916-2013 (1788 obs.) Earth MOID: 1.84667 AU Jupiter Tisserand invariant TJ: 3.158

orbital data, secondary:

binary dynamical type: L [P07f] semimajor axis as: 703 ± 14 km [M08d] separation/primary radius as/rp: 9.9 [*D] separation/Hill radius as/rH: 0.027 [*D] orbital period Ps: 4.438 ± 0.001 d [M08d] eccentricity es: 0.03 ± 0.01 [M08d] normalized ang. mom. αL: 0.52 [P07f] other data, system (combined):absolute mag. H: 8.28 [MPC] slope parameter G: (0.15) [*A] effective diameter dE: 143 km [*D] geometric albedo: 0.043 ± 0.009 [M11b] color index U-B: 0.345 [T95a] color index B-V: 0.658 [T95a] taxonomic type: F (Tholen) [JPL] mass m: 1.4x1018 ± 1x1017 kg [M08d] density ρ: 0.9 ± 0.1 g/cm3[M08d] Hill radius rH: 26000 km [*D]

other data, primary:

diameter dp: 141.72 ± 1.54 km [M11b] rotation period RPp: 5.839 ± 0.000 h [D01a] amplitude in mag., rotational ΔM: ? pole direction Β, λ: ? , ?

other data, secondary:

diameter ds: 19 ± 7 km [M08d] diameter ratio ds/dp: 0.134 ± 0.049 [*D] component mag. difference ΔM: 4.4 [* D] rotation period RPs: ?

-- (762) Pulcova --discovery and notes:

Primary discovered 1913 Sep 03 from Sime�s, Crimea, Russia by G. N. Neujmin. Alternate designation(s): 1913 SQ, 1952 QM1. Permanent number assigned -.

Named - for Pulkovo, Russia.

Companion discovered 2000 Feb 22 using adaptive optics telescope observations. Announced 2000 Oct 24.

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:


© 2001-2010, 2014 by Wm. Robert Johnston.
Last modified 21 September 2014. Return to Home. Return to Astronomy and Space. Return to Asteroids with Satellites.