Searching for Asteroids with 8 micron Spitzer Space Telescope Data

Details Searching for Asteroids with 8 micron Spitzer Space Telescope Data Searching for Asteroids with 8 micron Spitzer Space Telescope Data

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.2503w&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #25.03; Bulletin of the American Astronomical Society, V

Astronomy and Astrophysics

Astronomy

Scientific paper

Previous studies have estimated the number of asteroids with diameters greater than 1 km, but this number varies greatly in different papers and few predictions have been made about the number of asteroids with diameters smaller than 1 km. This paper uses data from the Spitzer Space Telescope to look for asteroids in 8 micron images. Two asteroids are found in the Spitzer observations ofthree dark spots that are well off the ecliptic. The distance andhence size of these asteroids is quite uncertain, but they areprobably less that 1 km in diameter. The number of asteroids (smaller than 1 km) found in this paper agrees with an extrapolation of the number predicted by data on asteroids larger than 1 km from the SDSS Moving Object Catalog.

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