Asteroids Observed by The Sloan Digital Sky Survey

Details Asteroids Observed by The Sloan Digital Sky Survey Asteroids Observed by The Sloan Digital Sky Survey

2002-08-05

arxiv.org/abs/astro-ph/0208099v1

Proc.SPIE Int.Soc.Opt.Eng.4836:98-103,2002

Astronomy and Astrophysics

Astrophysics

6 pages, 1 color figure, to be presented at "Astronomical Telescopes & Instrumentation", SPIE 2002

Scientific paper

10.1117/12.457304

We announce the first public release of the SDSS Moving Object Catalog, with SDSS observations for 58,117 asteroids. The catalog lists astrometric and photometric data for moving objects observed prior to Dec 15, 2001, and also includes orbital elements for 10,592 previously known objects. We analyze the correlation between the orbital parameters and optical colors for the known objects, and confirm that asteroid dynamical families, defined as clusters in orbital parameter space, also strongly segregate in color space. Their distinctive optical colors indicate that the variations in chemical composition within a family are much smaller than the compositional differences between families, and strongly support earlier suggestions that asteroids belonging to a particular family have a common origin.

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