Efficient stationkeeping design for mixed fuel systems
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United States of America Patent
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Sep 19, 2017
Grant Date -
Dec 29, 2016
app pub date -
Jun 29, 2015
filing date -
Jun 29, 2015
priority date (Note) -
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Abstract
Apparatus and methods for stationkeeping in a satellite. The satellite includes a north electric thruster and a south electric installed on a zenith side. An orbit controller selects a duration of a burn of the north electric thruster proximate to an ascending node that differs from a duration of a burn of the south electric thruster proximate to a descending node. The orbit controller is configured to select an offset of the burn of the north electric thruster in relation to the ascending node that differs from an offset of the burn of the south electric thruster in relation to the descending node.
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