Other
Scientific paper
Oct 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985avest..19..131k&link_type=abstract
(Astronomicheskii Vestnik, vol. 19, Apr.-June 1985, p. 131-142) Solar System Research (ISSN 0038-0946), vol. 19, no. 2, Oct. 198
Other
Comet Nuclei, Comets, Ejection, Interplanetary Dust, Orbital Elements, Solar Orbits, Encke Comet, Giacobini-Zinner Comet, Halley'S Comet
Scientific paper
A numerical examination is carried out of the random, small nongravitational perturbations which occur to comets near perihelion. The goal of the study is quantify the orbital perturbations from mass loss in order to enhance the chances of identifying the cometary origins of meteor swarms on the basis of common differences in orbital elements between the meteors and specific comets. Escapins dust or gases are assumed to impart an impulsive thrust to the comet, which is made of ice and is rotating. Account is taken of the direction of the impulses and the limits of the ejection velocities. Calculations are then performed of the changes in orbital elements due to ejection events occurring in several directions from 0-100 deg for the comet Giacobini-Zinner and comet Encke-Backlund. Tables of the resulting new orbital elelments are provided. Other data for Halley's Comet fail to furnish any connection between the orbital perturbations for that Comet and the eta Aquarid and Orionid meteor swarms.
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