期刊
ASTRONOMY & ASTROPHYSICS
卷 376, 期 1, 页码 302-309出版社
EDP SCIENCES S A
DOI: 10.1051/0004-6361:20010935
关键词
methods : numerical; techniques : photometric; minor planets, steroids; celestial mechanics
I show that the lightcurves of freely precessing asteroids can be analyzed using basically the same methods as with objects in relaxed rotation. At least two different observation geometries (with respect to the angular momentum vector) are needed for a unique full solution; an informative basic model can be constructed at only one geometry, if the observations span several precession cycles. Even noisy data yield a good estimate of the dynamical parameters, whereas accurate data are required for a good shape solution.
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