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Proceedings Paper

Discrete particle release observed on the Midcourse Space Experiment satellite
Author(s): Gary E. Galica; B. David Green; O. Manuel Uy; David M. Silver; Richard C. Benson; Jeffrey C. Lesho; Mark T. Boies; Bob E. Wood; David F. Hall
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Paper Abstract

Particle occurrence rates, velocities, size distributions, and trends in the environment have been measured above the Midcourse Space Experiment satellite using optical sensors. Results from the spacecraft's first year on orbit are presented. Particles were detected during relatively quiescent times and as a result of distinct particle release events. On 11 November 1996, we observed a discrete particle release even that is not attributable to spacecraft activity. We hypothesize that this event was caused by an impact by either orbital debris or a micrometeoroid. We present the particle size and velocity distributions from that event and compare them to the quiescent distributions and to previous model predictions.

Paper Details

Date Published: 27 October 1998
PDF: 8 pages
Proc. SPIE 3427, Optical Systems Contamination and Degradation, (27 October 1998); doi: 10.1117/12.328490
Show Author Affiliations
Gary E. Galica, Physical Sciences Inc. (United States)
B. David Green, Physical Sciences Inc. (United States)
O. Manuel Uy, Johns Hopkins Univ. (United States)
David M. Silver, Johns Hopkins Univ. (United States)
Richard C. Benson, Johns Hopkins Univ. (United States)
Jeffrey C. Lesho, Johns Hopkins Univ. (United States)
Mark T. Boies, Research Support Instruments, Inc. (United States)
Bob E. Wood, Sverdrup Technology Inc. (United States)
David F. Hall, The Aerospace Corp. (United States)


Published in SPIE Proceedings Vol. 3427:
Optical Systems Contamination and Degradation
Philip T. C. Chen; William E. McClintock; Gary J. Rottman, Editor(s)

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