Discrete particle release observed on the Midcourse Space Experiment satellite

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

doi:10.1117/12.328490

27 October 1998 Discrete particle release observed on the Midcourse Space Experiment satellite

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

Author Affiliations +

Proceedings Volume 3427, Optical Systems Contamination and Degradation; (1998) https://doi.org/10.1117/12.328490
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

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.

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Gary E. Galica, B. David Green, O. Manuel Uy, David M. Silver, Richard C. Benson, Jeffrey C. Lesho, Mark T. Boies, Bob E. Wood, and David F. Hall "Discrete particle release observed on the Midcourse Space Experiment satellite", Proc. SPIE 3427, Optical Systems Contamination and Degradation, (27 October 1998); https://doi.org/10.1117/12.328490

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