The fastest spinning object so far discovered in the solar system is a tiny asteroid that measures only 30 meters across.

Ostro, S.J., P. Pravec, et al. 1999. Radar and optical observations of asteroid 1998 KY26. Science 285(July 23):557.

Steven J. Ostro
California Institute of Technology
NASA Jet Propulsion Laboratory
Pasadena, CA 91109

Petr Pravec
Czech Republic Academy of Sciences
Astronomical Institute
CZ-25165 Ondrejov
Czech Republic

From Science News, Vol. 156, No. 10, September 4, 1999, p. 152. Copyright © 1999, Science Service.