An investigation of the possible effects of micrometeorites in reducing the useful lifetime of a spherical, wire-mesh, passive-reflector communication satellite. Theoretical conditions are postulated under which a wire composing part of the mesh might be severed by a hypervelocity collision with a micrometeorite. This criterion, taken with the known flux of micrometeorites, is used to compute the probability that such collisions will degrade the electrical performance of such a reflector. It is concluded that they will not significantly affect its useful lifetime.
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