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Orbital evolution of asteroids with the effects of mutual gravitational attraction

✍ Scribed by M. Yoshikawa

Publisher
Springer Netherlands
Year
1996
Tongue
English
Weight
253 KB
Volume
72
Category
Article
ISSN
1573-0794

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✦ Synopsis

The effects of the mutual gravitational attraction between asteroids were analyzed by two N-body calculations, in which N=4,516 (the Sun, the nine planets, and 4,506 asteroids). In one calculation the gravity of the asteroids was taken into account, and in the other it was ignored. These calculations were carried out for a time period of about 100 years. The largest difference in the positions of the asteroids between these two calculations is about 10e3 AU. For the orbital elements of the semimajor axis, the eccentricity, and the inclination, the largest differences were 9 x 10m6 AU, 4 x 10e6, and 5 x 10m4 degrees, respectively. It was found that the distribution of the differences of the semimajor axis between the two calculations is quite similar to the Cauchy distribution.

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