--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] :
orbital data, secondary:
other data, system (combined):|
other data, primary:
other data, secondary:
-- (2343) Siding Spring --discovery and notes:
Primary discovered 1979 Jun 25 from Siding Spring, New South Wales, Australia by E. F. Helin, S. J. Bus. Alternate designation(s): 1979 MD4, 1940 RQ, 1951 YU1, 1965 SM, 1972 RZ, 1976 YV7, 1977 AV. Linked to prediscovery observations from 1940. Permanent number assigned 1981 Feb 01.
Named 1981 Mar 01 for the community in New South Wales, Australia [MPC5851].
Companion discovered 2015 Oct 06 by J. Pollock, D. Caton, R. Hawkins, P. Pravec, D. Pray, W. Cooney, J. Gross, D. Terrell, J. Oey, V. Benishek, A. Galad, S. Gajdos, R. Groom, K. Stranger, V. Chiorny, D. Reichart, J. Haislip, and A. Smith using lightcurve observations from Dark Sky Observatory, Boone, NC, USA; Sugarloaf Mountain Observatory; Sonoita Research Observatory, Sonoita, AZ, USA; Blue Mountains Observatory; Sopot Observatory, Serbia; Modra Observatory; Perth Observatory; Kharkiv Observatory, Ukraine. Announced 2015 Dec 01 [P15i].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
by Wm. Robert Johnston.
Last modified 1 December 2015. Return to Home. Return to Astronomy and Space. Return to Asteroids with Satellites.