CCD Photometry of Asteroid 2867 Steins: Flyby Target of the Rosetta Mission

Details CCD Photometry of Asteroid 2867 Steins: Flyby Target of the Rosetta Mission CCD Photometry of Asteroid 2867 Steins: Flyby Target of the Rosetta Mission

Aug 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005dps....37.1528w&link_type=abstract

American Astronomical Society, DPS meeting #37, #15.28; Bulletin of the American Astronomical Society, Vol. 37, p.644

Astronomy and Astrophysics

Astronomy

1

Scientific paper

Asteroid 2867 Steins is one of two flyby targets selected for the Rosetta mission, now en route to periodic comet Churyumov-Gerasimenko. Rosetta will encounter Steins on September 5, 2008. We obtained R-filter CCD images of 2867 Steins on April 14-16, 2004 (UT) using the Table Mountain Observatory 0.6m telescope and 1024 x 1024 CCD camera. Photometric analysis of the images reveals a well-defined, asymmetric double-peaked lightcurve indicating a synodic rotation period of 6.0490 +/- 0.0095 hours. The observed photometric range of ˜0.3 magnitudes suggests a minimum axial ratio of ˜1.3. Other results of the analysis will be reported. The work was supported by the NASA Planetary Astronomy Program.

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