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].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2023
by Wm. Robert Johnston.
Last modified
6 June 2023.
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