Asteroid Shape Models Refined By Stellar Occultation Silhouettes

Details Asteroid Shape Models Refined By Stellar Occultation Silhouettes Asteroid Shape Models Refined By Stellar Occultation Silhouettes

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004dps....36.3227d&link_type=abstract

American Astronomical Society, DPS meeting #36, #32.27; Bulletin of the American Astronomical Society, Vol. 36, p.1143

Astronomy and Astrophysics

Astronomy

Scientific paper

We present shape models of asteroids 2 Pallas, 3 Juno, 39 Laetitia, 41 Daphne, 52 Europa, 85 Io, 129 Antigone, and 208 Lacrimosa derived from their lightcurves and stellar occultation silhouettes. Lightcurve inversion shape models and rotation states of those asteroids were already published. The occultation silhouettes give direct information about the size and shape of asteroid's projected cross-section. We process the lightcurve and occultation data simultaneously and derive more detailed shape models, remove possible ambiguities in the pole directions, and calibrate the models to absolute dimensions.

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