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4. The Kirkwood Gaps as an Asteroidal Source of Meteorites

Published online by Cambridge University Press:  12 April 2016

H. Scholl  and
C. Froeschle

Abstract

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Zimmerman and Wetherill’s proposed mechanism for the production of meteorites from asteroids has been explored by numerous numerical computations of orbits. Starting from the vicinity of the 2/1 Kirkwood gap, 30% of our orbits soon have aphelia reaching beyond, but not much beyond 4 A.U.; (3% only exceed 4.3 A.U.). These results suggest that the proposed mechanism might work, although we have not yet checked whether Jupiter’s action will be large enough for those perihelia. Furthermore, our investigation has been extended to the 3/1, 7/3 and 5/2 Kirkwood gaps, and shows that these gaps should also be considered asa possible source of meteorites.

Information

Type
Part V. Orbital Evolution and Fragmentation of Asteroids
Information
International Astronomical Union Colloquium , Volume 39: Comets, Asteroids, Meteorites: Interrelations, Evolution and Origins , December 1977 , pp. 293 - 295
Copyright
Copyright © A.H. Delsemme 1977

References

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Wetherill, G. W. 1974, in Ann. Rev. of Earth and PI. Sciences, Vol. 2, 303.Google Scholar
Zimmerman, P. D., and Wetherill, G. W. 1973, Science, 182, 51.Google Scholar