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Using Close Encounters of Minor Planets for the Improvement of their Masses

Published online by Cambridge University Press:  12 April 2016

A. López García ,
Yu. D. Medvedev  and
J. A. Moraño Fernández
A. López García
Affiliation:
Astronomical Observatory, Valencia University Valencia, Spain
Yu. D. Medvedev
Affiliation:
Institute of Theoretical Astronomy, Russian Acad, of Sciences St. Petersburg, Russia
J. A. Moraño Fernández
Affiliation:
Department of Astronomy and Astrophycics Valencia, Spain

Abstract

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The orbits of 6807 numbered minor planets on the time interval 1975–2010 have been integrated. The possibility of determining masses for asteroids with close encounters with each other has been investigated, including several kinds of situations. The importance of the observational time arc, as well as the distribution of observations, for determining the masses are shown. The mass of asteroid (24) Themis from its perturbations on asteroid (2296) Kugultinov, and the mass of (10) Hygiea from its perturbations on (1259) Ógyalla have been determined.

Type
Solar System Dynamics
Information
International Astronomical Union Colloquium , Volume 165: Dynamics and Astrometry of Natural and Artificial Celestial Bodies , 1997 , pp. 199 - 204
Copyright
Copyright © Kluwer 1997

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