Physics
Scientific paper
Dec 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995sosyr..29..463b&link_type=abstract
Solar System Research, Vol. 29, No. 6, p. 463 - 468
Physics
Cosmic Dust: Solar System, Cosmic Dust: Heliosphere, Cosmic Dust: Orbits
Scientific paper
Disintegration of short-periodic comets is one of the sources of cosmic dust in the Solar System. Initially dust particles move approximately in the orbits of parent comets, in particular, in high-inclination orbits. In a few million years, some of these particles (the smallest ones) go over to the short-periodic, high-inclination orbits due to the Poynting-Robertson effect. The numerical integration of the equations of motion at this stage of evolution gives rise to somewhat surprising results. For example, when integrating the equations of motion as far back as 6000 years from the time of meteor observation, the real meteor particle gains the perihelion distance smaller than the solar radius. The calculations show that, the time of falling onto the Sun is shorter for a particle moving in a high-inclination orbit. This is due to the superposition of gravitational perturbation and radiation effects.
Bazej A. A.
Kramer E. N.
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