MITIGATION OF ORBITING SPACE DEBRIS BY MOMENTUM EXCHANGE WITH DRAG-INDUCING PARTICLES
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United States of America Patent
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Issued Date -
Jul 18, 2013
app pub date -
Feb 17, 2011
filing date -
Feb 17, 2010
priority date (Note) -
Abandoned
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Abstract
A cloud of small to medium-sized space debris is mitigated by releasing drag-reducing particles into the cloud from a dispenser vehicle, causing the particles to collide or otherwise interact with, and thereby exchange momentum with, the debris particles, reducing the orbiting velocity of the debris to a degree sufficient to cause the debris to de-orbit, or to accelerate the de-orbiting of the debris, to Earth. Certain embodiments also include a shepherd vehicle containing systems for identifying and tracking the debris cloud and for coalescing the debris cloud to increase the particles density in the cloud.
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