EDP Sciences
Free access
Issue A&A
Volume 365, Number 3, January III 2001
Page(s) 627 - 630
Section The solar system
DOI http://dx.doi.org/10.1051/0004-6361:20000023

A&A 365, 627-630 (2001)
DOI: 10.1051/0004-6361:20000023

New determination of the mass of Pallas

E. Goffin

Aartselaarstraat 14, 2660 Hoboken, Belgium

(Received 13 September 2000 / Accepted 6 October 2000 )

Until very recently, the mass of minor planet 2 Pallas had been determined from its gravitational effects on only 1 Ceres and the planet Mars. An independent confirmation was therefore highly desirable. This paper presents individual mass determinations based on close encounters with 16 other minor planets, as well as a simultaneous solution using all objects. The resulting value for the mass of Pallas, $(1.17 \pm 0.03) 10^{-10} M_{\odot}$, essentially confirms the result from Ceres alone.

Key words: astrometry -- minor planets, asteroids -- planets and satellites: individual: 2 Pallas

© ESO 2001

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Editor-in-Chief: T. Forveille
Letters Editor-in-Chief: J. Alves
Managing Editor: C. Bertout

ISSN: 0004-6361 ; e-ISSN: 1432-0746
Frequency: 12 volumes per year
Published by: EDP Sciences

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