Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995mnras.276.1017w&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Volume 276, Issue 3, pp. 1017-1023.
Astronomy and Astrophysics
Astronomy
16
Methods: Numerical, Celestial Mechanics, Stellar Dynamics, Meteors, Meteoroids
Scientific paper
Gaps have been found in the distribution of the reciprocal semimajor axes of 442 Perseid meteor orbits extracted from the catalogue of the IAU meteor data centre in Lund. These gaps are located at positions corresponding to mean motion resonances with the planets. A numerical integration of 11000 test meteoroids over 1000 yr shows that these gaps can form because of gravitational perturbation from the major planets. A longer integration over 100000 yr for 10 meteoroids shows that particles frequently move from one resonant region to another, often passing through a chaotic phase.
Williams Iwan P.
Wu Zidian
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