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IAA Transactions, No. 8, ``Celestial Mechanics'', 2002
To a problem of perturbed motion of comets
A. S. Solov'ev
Vologda Pedagogical University, Vologda, Russia
In the modern literature there are frequent judgements that the origin of
comets is related to objects of the Kuiper belt. In considering an object of the
Kuiper belt as an ancestor of a cometary skew field, it is of interest to study
the evolution of orbit of a typical skew field referred to the Kuiper belt. Similar
researches have been performed earlier, but particular attention is mainly focused
therewith on dynamical aspects of the given problem. It has allowed to receive
outcomes of evolution of the data of skew fields (Ipatov, 2000). However, it seems
to us that in addition to dynamical aspects of this problem, the study of statistical
properties of a field of force influencing the evolution of orbit of object of the
Kuiper belt is of interest as well. It is known that the physical reason of the
change of orbit is due to the influence of planets and other objects surrounding
the given one. In the present paper the research of statistical properties of forces
affecting an object of the Kuiper belt is performed. The intensity of gravitational
perturbations is evaluated. The analysis of evolution of orbit of a skew field under
these perturbations is given. The possibilities of the formation of a comet from
such object are discussed.
References
1. Gardiner K. Stochastic methods in natural sciences. M.: Mir, 1986, 528 pp.
2. Ipatov S. I. Migration of celestial bodies in a Solar system. M.: Editorial
URSS, 2000, 320 pp. (in Russian).
3. Tomanov V. P. Cometary cosmogony. Vologda, 1989, 96 pp. (in Russian).
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