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Regular and Stochastic Motion of Meteoroid Streams in Halley-type Orbits

Published online by Cambridge University Press:  27 February 2018

V.V. Emel'yanenko  and
M.E. Bailey
V.V. Emel'yanenko
Affiliation:
Astrophysics Group, School of Electrical Engineering, Electronics & Physics, Liverpool John Moores University, Liverpool L3 3AF, U.K.
M.E. Bailey
Affiliation:
Astrophysics Group, School of Electrical Engineering, Electronics & Physics, Liverpool John Moores University, Liverpool L3 3AF, U.K.

Abstract

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Despite the complicated structure of old meteoroid streams in Halley-type orbits, the positions of their ecliptic-plane crossings are insensitive to the initial conditions of ejection and have a form determined by resonances due to planetary perturbations. This allows the main observational features of meteor showers such as the η-Aquarids, Orionids, Lyrids and Perseids to be understood. A proportion of the particles ejected into such orbits librate about the centres of mean-motion resonances and produce compact streams which may lead to meteor storms.

Type
III. Meteoroid Streams
Information
International Astronomical Union Colloquium , Volume 150: Physics, Chemistry and Dynamics of Interplanetary Dust , 1996 , pp. 121 - 124
Copyright
Copyright © Astronomical Society of the Pacific 1996

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