Geostationary stationkeeping method

Details Geostationary stationkeeping method Geostationary stationkeeping method

2006-06-13

2008-11-18

Tran, Khoi H. (Department: 3664)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Aeronautical vehicle

C701S226000, C244S158100, C244S158800, C244S158500, C244S158600, C244S167000, C342S352000, C342S355000, C342S356000, C342S358000

Reexamination Certificate

active

07454272

ABSTRACT:
According to one embodiment of the invention, a stationkeeping method for a geostationary satellite includes determining a gravitational force of the sun on the satellite at a beginning of a stationkeeping operation and a gravitational force of the moon on the satellite at the beginning of the stationkeeping operation. An initial inclination vector of the satellite is determined at the beginning of the stationkeeping operation that accounts for a first set of one or more perturbations affecting the orbit of the satellite. A maneuver strategy is determined to correct for a second set of one or more perturbations affecting the orbit of the satellite without accounting for the first set of one or more perturbations affecting the orbit of the satellite. Finally, a maneuver is performed on the satellite according to the maneuver strategy.

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