Collision risk analysis for low Earth orbits

Details Collision risk analysis for low Earth orbits Collision risk analysis for low Earth orbits

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993adspr..13..177k&link_type=abstract

Advances in Space Research, Volume 13, Issue 8, p. 177-186.

Physics

8

Scientific paper

The USSpaceCom surveillance groundstation network is currently tracking about 6,620 objects larger than 10 cm (Jul.1992). Almost 85% of these are passing through LEO altitudes below 2,000 km. Based on a discretisation technique, the resulting spatial densities and fluxes are analysed in a 2-D (altitude/latitude) distribution model. Resulting debris fluxes from the catalogue objects are determined for a Space Station Freedom orbit, and for a sun-synchronous orbit of similar altitude. Individual flux contributions from distinct inclination and eccentricity domains are discriminated, and the overall collision risk is extrapolated down to hazardous object diameters of 1 cm.

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