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Solar System Research

, Volume 38, Issue 1, pp 66–75 | Cite as

Determination of Large Asteroid Masses by the Dynamical Method

  • O. M. Kochetova
Article

Abstract

Masses of 19 asteroids have been determined from the analysis of their gravitational effect on the motion of perturbed bodies. The following asteroids were selected as perturbed bodies: (1) those which had single close encounters with the perturbing asteroid; (2) those whose mean motion was in a 1 : 1 commensurability with that of the perturber and which had close or moderate recurrent encounters with the perturber. The perturber mass was determined from observations of several tens of perturbed asteroids that were selected from these two groups. The selection criterion was the error of the mass determined from observations of only one asteroid. Positional observations of the asteroids on the interval 1900–2002 were used. The masses were determined with errors by an order-half an order of magnitude smaller than the masses found. The results are compared with those of other authors.

Keywords

Selection Criterion Gravitational Effect Close Encounter Positional Observation Large Asteroid 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© MAIK “Nauka/Interperiodica” 2004

Authors and Affiliations

  • O. M. Kochetova
    • 1
  1. 1.Institute of Applied AstronomyRussian Academy of SciencesSt. PetersburgRussia

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