(5319)

Petrovskaya (original) (raw)

Asteroids with Satellites Database--Johnston's Archive

(5319) Petrovskaya

compiled by Wm. Robert Johnston
last updated 30 October 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:**2.2569793721 AUorbital period **P:**3.390779798 yr (= 1238.4823212 d)eccentricity **e:**0.153385406perihelion distance **q:**1.910791676 AUaphelion distance **Q:**2.6031670685 AUinclination **i:**6.2333154°argument of perihelion **ω:**81.757166°ascending node **Ω:**200.445347°mean anomaly **M:**26.237527°perihelion passage **TP:2022 May 10.736908Epoch:2022 Aug 09data arc:1951-2022 (2944 obs.)Earth MOID:**0.906543 AUJupiter Tisserand invariant **TJ:**3.599 orbital data, secondary: semimajor axis as:?orbital period **Ps:**1.1867 ± 0.0004 d [B22k]eccentricity es:?normalized ang. mom. αL:?

other data, system (combined): absolute mag. **H:**13.77 [MPC]slope parameter G: (0.15) [*A]effective diameter dE:4.91 ± 0.22 km [M**]geometric albedo:0.351 ± 0.046 [M**]color index U-B:?color index B-V:?taxonomic type:?mass m:?density ρ: (1.6 g/cm3) [*A]Hill radius **rH:**710 km [*E] other data, primary: diameter **dp:**4.75 km [*D]rotation period **RPp:**3.3604 ± 0.0002 h [B22k]amplitude in mag., rotational ΔM:?pole direction Β, λ:? , ? other data, secondary: diameter **ds:**>1.24 km [*D]diameter ratio **ds/dp:**>0.26 [B22k]component mag. difference ΔM:<2.9 [*D]rotation period RPs:?

-- (5319) Petrovskaya --discovery and notes:

Primary discovered 1985 Sep 15 from Nauchnyj, Crimea, Ukraine, USSR by N. S. Chernykh. Alternate designation(s): 1985 RK6, 1964 JB, 1987 DV4, 1988 NT. Linked to prediscovery observations from 1951 Nov 29. Permanent number assigned 1992 Sep 12.

Named 1997 Aug 18 [MPC030476].

Companion discovered 2022 Jul 02 by V. Benishek, P. Pravec, R. Durkee using lightcurve observations. Announced 2022 Oct 18 [B22k].

--Links, more technical:

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--Links to ADS abstracts:

© 2022 by Wm. Robert Johnston.
Last modified 30 October 2022.
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