Asteroids with Satellites Database--Johnston's Archive

(2966) Korsunia

compiled by Wm. Robert Johnston
last updated 6 June 2023

--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: 2.4485812048 AU
orbital period P: 3.831598279 yr
(= 1399.4912716 d)
eccentricity e: 0.1388040804
perihelion distance q: 2.108708142 AU
aphelion distance Q: 2.7884542673 AU
inclination i: 2.54366017°
argument of perihelion ω: 196.918033°
ascending node Ω: 46.377689°
mean anomaly M: 314.8284977°
perihelion passage TP: 2023 Aug 19.603120
Epoch: 2023 Feb 25
data arc: 1977-2023 (3765 obs.)
Earth MOID: 1.09585 AU
Jupiter Tisserand invariant TJ: 3.482

orbital data, secondary:
semimajor axis as: 10 km [*E]
separation/primary radius as/rp:3.5 [*E]
separation/Hill radius as/rH:0.011 [*E]
orbital period Ps: 0.73004 ± 0.00017 d [B23l]
eccentricity es: ?
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 13.42 [MPC]
slope parameter G: (0.15) [*A]
effective diameter dE: 5.88 ± 0.28 km [M**]
geometric albedo: 0.223 ± 0.075 [M**]
color index U-B: ?
color index B-V: ?
taxonomic type: ?
mass m: ?
density ρ: (1.6 g/cm3) [*A]
Hill radius rH: 940 km [*E]

other data, primary:
diameter dp: 5.72 ± 0.27 km [*D]
rotation period RPp: 2.31419 ± 0.00007 h [B23l]
amplitude in mag., rotational ΔM: 0.12 [B23l]
amplitude in mag., mutual events ΔM:0.06 [B23l]
pole direction Β, λ: ? , ?

other data, secondary:
diameter ds: 1.37 ± 0.07 km [*D]
diameter ratio ds/dp: 0.24 [B23l]
component mag. difference ΔM: 3.1 [*D]
rotation period RPs: ?

-- (2966) Korsunia --discovery and notes:

Primary discovered 1977 Mar 13 from Nauchnyj, Crimea, Ukraine, USSR by N. Chernykh. Alternate designation(s): 1977 EB2, 1981 JL. Permanent number assigned 1983 Dec 20.

Named 1988 Apr 02 for the ancient Crimean town [MPC012969].

Companion discovered 2023 Apr 20 by V. Benishek, P. Pravec, P. Kusnirak, F. Vachier, A. Klotz, P. Thierry, and J. Berthier using lightcurve observations from Sopot Observatory, Serbia; Observatoire des Makes, Reunion. Announced 2023 Jun 06 [B23l].

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--Links to ADS abstracts:

© 2023 by Wm. Robert Johnston.
Last modified 6 June 2023.
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