Asteroids with Satellites Database--Johnston's Archive

(3073) Kursk

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: 2.242451547 AU
orbital period P: 3.358093655 yr
(= 1226.5437080 d)
eccentricity e: 0.136546023
perihelion distance q: 1.93625371 AU
aphelion distance Q: 2.548649389 AU
inclination i: 5.0357504°
argument of perihelion ω: 232.249042°
ascending node Ω: 204.129068°
mean anomaly M: 72.241119°
perihelion passage TP: 2013 Sep 18.86975
Epoch: 2014 May 23
data arc: 1969-2014 (1192 obs.)
Earth MOID: 0.955045 AU
Jupiter Tisserand invariant TJ: 3.616


orbital data, secondary:
semimajor axis as: 22 km [*E]
separation/primary radius as/rp:6.6 [*E]
separation/Hill radius as/rH:0.022 [*E]
orbital period Ps: 1.873 ± 0.0008 d [K07c]
eccentricity es: ?
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 13.4 [MPC]
slope parameter G: (0.15) [*A]
effective diameter dE: 6.89 km [*E]
geometric albedo: (0.16 ) [*A]
color index U-B: ?
color index B-V: ?
taxonomic type: ?
mass m: ?
density ρ: (1.6 g/cm3) [*A]
Hill radius rH: 1000 km [*E]

other data, primary:
diameter dp: 6.69 km [*E]
rotation period RPp: 3.4468 ± 0.0001 h [K07c]
amplitude in mag., rotational ΔM: 0.21 [K07c]
amplitude in mag., mutual events ΔM:0.065 ±0.005 [K07c]
pole direction Β, λ: ? , ?


other data, secondary:
diameter ds: 1.67 km [*E]
diameter ratio ds/dp: 0.25 ± 0.02 [K07c]
component mag. difference ΔM: 3.0 ± 0.2 [*D]
rotation period RPs: ?

-- (3073) Kursk --discovery and notes:

Primary discovered 1979 Sep 24 from Nauchnyj, Crimea, Ukraine, USSR by N. S. Chernykh. Alternate designation(s): 1979 SW11, 1969 VG1. Linked to prediscovery observations from 1969 Nov 11. Permanent number assigned 1984 Jul 13.

Named 1985 Jul 02 for the city of Kursk, Russia [MPC9771].

Companion discovered 2006 Dec 11 by P. Kusnirak, P. Pravec, S. Gajdos, A. Galad, W. Cooney, J. Gross, D. Terrell, D. Pray, F. Colas, J. Lecacheux, V. Reddy, and R. Dyvig using lightcurve observations from Ondrejov Observatory, Czech Republic; Modra Observatory, Slovakia; Sonoita Research Observatory, Sonoita, Arizona, USA; Carbuncle Hill Observatory, Greene, Rhode Island, USA; Pic du Midi Obs; University of North Dakota, Grand Forks, North Dakota, USA; Badlands Observatory, Quinn, South Dakota, USA. Announced 2007 Jan 03 [K07c].

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:


© 2007-2008, 2014 by Wm. Robert Johnston.
Last modified 21 September 2014.
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