Inertial Characteristics of Higher Orders and Dynamics in a Proximity of a Small Celestial Body
Received 20 December 2019; accepted 21 April 2020
2020, Vol. 16, no. 2, pp. 259-273
Author(s): Burov A. A., Nikonov V. I.
As is well known, many small celestial bodies are of a rather complex shape. Therefore, the
study of the dynamics of a spacecraft in their vicinity, based on terms up to the second order of
smallness in the expansion of the potential of attraction, seems to be insufficient for an adequate
description of the observed dynamical effects related, for example, to positioning of the libration
points.
In this paper, such effects are demonstrated for spacecraft dynamics in the vicinity of
the asteroid (2063) Bacchus. The libration points are computed for various approximations of
the gravitational potential. The results of this computation are compared with similar results
obtained before for the so-called Sludsky – Werner – Scheeres potential. The dependence of the
structure of the regions of possible motions on approximation of the gravitational potential is
also studied.
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