Abstract
An attempt is made to determine the spatial location of the main source of short-period comet nuclei. Numerical calculations for the orbital evolution of Jupiter family comets, medium-period comets, and Centaurs are used to show that the orbits of small solar system bodies tend to evolve in the direction of increasing semimajor axes. This relates to bodies that can experience encounters with planets and whose orbital evolution is shaped by gravitational perturbations. It is concluded that there is good reason to search for the main source of the nuclei of Jupiter family comets at distances of 6 AU or less from the sun.
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Original Russian Text © A.M. Kazantsev, 2012, published in Kinematika i Fizika Nebesnykh Tel, 2012, Vol. 28, No. 6, pp. 45–57.
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Kazantsev, A.M. Searching for the source of short-period comet nuclei: The direction of the spatial migration of comets. Kinemat. Phys. Celest. Bodies 28, 288–295 (2012). https://doi.org/10.3103/S0884591312060037
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DOI: https://doi.org/10.3103/S0884591312060037