(2883)
Asteroids with Satellites Database--Johnston's Archive
(2883) Barabashov
compiled by Wm. Robert Johnston
last updated 30 April 2022
--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:**2.2457649694 AUorbital period P: yr (= 1229.2632033 d)eccentricity **e:**0.081451481perihelion distance **q:**2.062844087 AUaphelion distance **Q:**2.4286858514 AUinclination **i:**1.406951°argument of perihelion **ω:**151.02705°ascending node **Ω:**48.49949°mean anomaly **M:**318.566008°perihelion passage **TP:2020 Oct 19.481339Epoch:2020 May 31data arc:1950-2020 (2536 obs.)Earth MOID:**1.06013 AUJupiter Tisserand invariant **TJ:**3.626 orbital data, secondary: semimajor axis **as:**16 km [*E]separation/primary radius **as/rp:**6.7 [*E]separation/Hill radius **as/rH:**0.021 [*E]orbital period **Ps:**1.7967 ± 0.0004 d [D20a]eccentricity es:?normalized ang. mom. αL:? | other data, system (combined): absolute mag. **H:**13.2 [MPC]slope parameter G: (0.15) [*A]effective diameter dE:4.91 ± 0.05 km [M14c]geometric albedo:0.351 ± 0.068 [M14c]color index U-B:?color index B-V:?taxonomic type:?mass m:?density ρ: (1.6 g/cm3) [*A]Hill radius **rH:**770 km [*E] other data, primary: diameter **dp:**4.76 ± 0.06 km [*D]rotation period **RPp:**2.6839 ± 0.0002 h [D20a]amplitude in mag., rotational **ΔM:**0.08 [D20a]amplitude in mag., mutual events **ΔM:**0.07 ±0.01 [D20a]pole direction Β, λ:? , ? other data, secondary: diameter **ds:**1.19 ± 0.1 km [*D]diameter ratio **ds/dp:**0.25 ± 0.02 [D20a]component mag. difference **ΔM:**3.01 ± 0.17 [*D]rotation period RPs:? |
|---|
-- (2883) Barabashov --discovery and notes:
Primary discovered 1978 Sep 13 from Nauchnyj by N. Chernykh. Alternate designation(s): 1978 RG6, 1940 LJ, 1950 JW, 1950 LL, 1975 WA2, 1980 DU4, 1981 QV1, 1983 AV2. Linked to prediscovery observations from 1940 Jun. Permanent number assigned 1983 May 26.
Named 1984 Nov 08 for Nikolaj Pavlovich Barabashov (1894-1971) [MPC009216].
Companion discovered 2019 Dec 17 by R. Durkee, P. Pravec, H. Kucakova, and K. Hornoch using lightcurve observations from Shed of Science South Observatory, Pontotoc, Texas, USA; Ondrejov Observatory. Announced 2020 Feb 05 [D20a].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
© 2020, 2022 by Wm. Robert Johnston.
Last modified 30 April 2022.
Return to Home. Return to Astronomy and Space. Return to Asteroids with Satellites.