Photometric geodesy of main-belt asteroids. II - Analysis of lightcurves for poles, periods, and shapes

Details Photometric geodesy of main-belt asteroids. II - Analysis of lightcurves for poles, periods, and shapes Photometric geodesy of main-belt asteroids. II - Analysis of lightcurves for poles, periods, and shapes

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988icar...76...19d&link_type=abstract

Icarus (ISSN 0019-1035), vol. 76, Oct. 1988, p. 19-77.

Astronomy and Astrophysics

Astronomy

45

Asteroids, Astronomical Photometry, Axes Of Rotation, Celestial Geodesy, Astrometry, Astronomical Models, Celestial Mechanics, Cosmology, Ellipsoids, Light Curve

Scientific paper

The assumption that asteroids can be modeled as smooth, featureless, triaxial ellipsoids that rotate about their shortest axes is presently used to study all but one of the 26 asteroids treated in the Weidenschilling et al. (1987) 'photometric geodesy' program. Rotational poles derived from three independent methods are used to determine each asteroid's sidereal period and triaxial ellipsoid axial ratios, together with their associated photometric parameters. The asteroids appear to have rotational poles that do not lie along their orbital planes.

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