--Orbital and physical data--
(Seethis page for definitions of quantities; source codes in brackets, seethis 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:
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--(2343) Siding Spring --discovery and notes:
Primary discovered1979 Jun 25from Siding Spring, New South Wales, Australiaby 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 discovered2015 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. Smithusinglightcurve 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.Announced2015 Dec 01 [P15i].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©2015by Wm. Robert Johnston.
Last modified1 December 2015.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.