Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977avest..10...94k&link_type=abstract
(Astronomicheskii Vestnik, vol. 10, Apr.-June 1976, p. 94-101.) Solar System Research, vol. 10, no. 2, Jan. 1977, p. 73-79. Tra
Astronomy and Astrophysics
Astronomy
Celestial Mechanics, Comet Nuclei, Meteoroid Showers, Poynting-Robertson Effect, Solar System, Astronomical Models, Cosmology, Ejection
Scientific paper
The possibility is considered that certain meteoroid showers originated as a consequence of isotropic ejections of meteoroid matter from cometary nuclei at any point on a comet's orbit, including perihelion. The Monte Carlo method is used to model such ejections from the nuclei of comets Giacobini-Zinner, Encke-Backlund, 1866 I, and 1862 III at various heliocentric distances. The results obtained are compared with observational data, and it is concluded that the Draconid, Perseid, Taurid, and Leonid showers could have originated as a result of this process. Ejection velocities of the meteoroid particles which participated in the formation of these showers are estimated for different points on the orbits of the respective parent comets. The orbital evolution of ejected meteoroid particles subjected to atmospheric deceleration as well as the nongravitational Poynting-Robertson and Jarkovsky-Radzievsky effects is examined.
Katasev L. A.
Kulikova N. V.
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