Physics
Scientific paper
Nov 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001esasp.495..581n&link_type=abstract
In: Proceedings of the Meteoroids 2001 Conference, 6 - 10 August 2001, Kiruna, Sweden. Ed.: Barbara Warmbein. ESA SP-495, Noordw
Physics
2
Meteoroids, Lifetimes, Collisions, Planetary Perturbations, Interplanetary Space
Scientific paper
A number of factors affect the life times of meteoroids in interplanetary space. These include Poynting-Robertson effect (PR), radiation pressure, electromagnetic forces, collisions and gravitational perturbations. A physical model of the sporadic meteoroid complex was recently developed by Jones, J. and Nikolova, S. It considers short and long period comets as primary sources of meteoritic material and PR effect as a dominant mechanism of orbital change. The model agrees well with observations and it predicts the observed distributions of meteor radiants. However, it ignores the effects of collisions and gravitational perturbations. A further improvement to this model involves the addition of the above as secondary effects. This paper investigates the life times of meteoroids against erosive collisions and gravitational perturbations in relation to the PR life times.
Jones Jason J.
Nikolova Simona
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