Modelling of Ejecta as a Space Debris Source

Modelling of Ejecta as a Space Debris Source When a micro-debris or a micrometeoroid impacts a spacecraft surface, a large number of secondary particles, called ejecta, are produced. These particles can contribute to a modification of the debris environment: either locally by the occurrence of secondary impacts on the components of complex and large space structures, or at great distance by the formation of a population of small orbital debris. This paper describes firstly, the ejecta overall production, and secondly, the lifetime and the orbital evolution of the particles. Finally the repartition of ejecta in LEO is computed. Some results describing the population as a function of size and altitude are presented. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Space Debris Springer Journals

Modelling of Ejecta as a Space Debris Source

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Publisher
Kluwer Academic Publishers
Copyright
Copyright © 2000 by Kluwer Academic Publishers
Subject
Engineering; Automotive Engineering; Law of the Sea, Air and Outer Space; Astronomy, Observations and Techniques
ISSN
1388-3828
eISSN
1572-9664
D.O.I.
10.1023/A:1021224411334
Publisher site
See Article on Publisher Site

Abstract

When a micro-debris or a micrometeoroid impacts a spacecraft surface, a large number of secondary particles, called ejecta, are produced. These particles can contribute to a modification of the debris environment: either locally by the occurrence of secondary impacts on the components of complex and large space structures, or at great distance by the formation of a population of small orbital debris. This paper describes firstly, the ejecta overall production, and secondly, the lifetime and the orbital evolution of the particles. Finally the repartition of ejecta in LEO is computed. Some results describing the population as a function of size and altitude are presented.

Journal

Space DebrisSpringer Journals

Published: Oct 8, 2004

References

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