Astronomisches Rechen-Institut Heidelberg

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ARI-Heidelberg Mitteilungen Serie A, No. 212

Author(s): Schubart, J.
Title: The Low-Eccentricity Gap at the Hilda Group of Asteroids
Source: In: Asteroids, Comets, Meteors III. Proc. Meeting, Uppsala, Sweden, 12-16 June 1989; C.-I. Lagerkvist, H. Rickman, B.A. Lindblad, M. Lindgren (eds.), Astronomical Observatory, Uppsala, p. 171-174
Year: 1990
Abstract: Then mean values of the proper eccentricities of Hilda asteroids avoid the interval from 0.05 to 0.10. Fictitious orbits that correspond to positions in this interval are studied by numerical integration of a three-dimensional problem. These orbits show Hilda-type libration and, in addition, special types of libration of longer period, which can be temporary features.
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