Proximity spacecraft maneuvering
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United States of America Patent
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Apr 2, 2013
Grant Date -
May 21, 2009
app pub date -
Aug 18, 2008
filing date -
Aug 17, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Provided is a method and system for maneuvering a first spacecraft relative to a nearby second spacecraft that occupies a finite volume of space including obstacles in the vicinity of the second from a measured present relative position to a desired ending relative position. A trajectory is computed for the first spacecraft from the present relative position to the ending relative position using the A* algorithm. One or more thrusters of the first spacecraft are then fired. The first spacecraft's relative position and velocity are then measured and compared to the computed trajectory.
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