Since 1961, almost 160 satellite break-ups have occurred on-orbit, and have been the major contributor to the growth of the orbital debris population. When a satellite breaks up, the debris exists in a relatively concentrated form, orbiting in a loose cloud with the parent body until orbital perturbations disperse the cloud into the average background. Manned space activities, which usually take place in low Earth orbit at altitudes less than 500 km, have been continuous for the past I I years while Mir was inhabited and promise to be again continuous when the International Space Station becomes permanently manned. This paper surveys historical breakups over the last I I years to determine the number that affect altitudes lower than 500 km. Selected breakup are analyzed using NASA's Satellite Breakup Risk Assessment Model (SBRAM) to determine the specific short term risk from those breakups to manned missions.
Near Term Effects from Satellite Break-Ups on Manned Space Activities
38th Aerospace Sciences Meeting ; 2000 ; Reno, NV, United States
2000-01-01
Conference paper
No indication
English
NEAR-TERM EFFECTS FROM SATELLITE BREAKUPS ON MANNED SPACE ACTIVITIES
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