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Meteorite Orbits from Observations by Camera Networks

Published online by Cambridge University Press:  30 March 2016

Ian Halliday ,
Arthur A. Griffin  and
Alan T. Blackwell
Ian Halliday
Affiliation:
Herzberg Institute of Astrophysics, National Research Council Canada, Ottawa, Canada, K1A OR6
Arthur A. Griffin
Affiliation:
Herzberg Institute of Astrophysics, National Research Council Canada, Ottawa, Canada, K1A OR6
Alan T. Blackwell
Affiliation:
Herzberg Institute of Astrophysics, National Research Council Canada, Ottawa, Canada, K1A OR6

Extract

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Camera networks for the study of bright fireballs now have a history approaching two decades• It was hoped that the networks would produce a statistically significant group of recovered meteorites with accurate orbits. Due to the great difficulty in locating the meteorites from a photographed event, there are still only three meteorites with orbits determined from suitable photographs; Pribram, Lost City and Innisfree (Ceplecha I96I, McCrosky et al. 1971, Halliday et al. 1978, respectively). Networks do, however, provide an alternative approach to the problem. Instead of determining approximate orbits from visual observations of recovered meteorite falls, it is now preferable to use reliable orbits from the camera networks for fireballs which are believed to have dropped meteorites that could not be located, or, that are believed to have been physically identical to meteorites, although no appreciable mass survived the atmospheric flight. This paper will review current knowledge based on this approach to the problem.

Type
Joint Discussions
Information
Highlights of Astronomy , Volume 6 , 1983 , pp. 399 - 404
Copyright
Copyright © Reidel 1983

References

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