An instrument for discrimination between orbital debris and natural particles in near-Earth space

Details An instrument for discrimination between orbital debris and natural particles in near-Earth space An instrument for discrimination between orbital debris and natural particles in near-Earth space

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993adspr..13..133t&link_type=abstract

Advances in Space Research, Volume 13, Issue 8, p. 133-136.

Physics

4

Scientific paper

We discuss a SPAce DUSt instrument (SPADUS) under development for flight on the USA ARGOS mission to measure the flux, mass, velocity and trajectory of near-Earth dust. Since natural (cosmic) dust and man-made dust particles (orbital debris) have different velocity and trajectory distributions, they are distinguished by means of the SPADUS velocity/trajectory information.
Measurements will cover the dust mass range ~5×10-12 g (2 μm diameter) to ~ 1×10-5g (200 μm diameter), with an expected mean error in particle trajectory of ~7° (isotropic flux).

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