Practical method and apparatus for satellite stationkeeping

Details Practical method and apparatus for satellite stationkeeping Practical method and apparatus for satellite stationkeeping

1998-12-08

2000-10-24

Barefoot, Galen L.

Aeronautics and astronautics

Spacecraft

With fuel system details

244169, B64G 140

Patent

active

061353949

ABSTRACT:
A practical stationkeeping method and apparatus wherein an electric propulsion system on a satellite is used to correct north-south drift and the majority of east-west drift which is caused by orbital eccentricity growth. A chemical propulsion system on the satellite is used to correct the remainder of east-west drift due to the growth of orbital semimajor axis. The method and apparatus eliminate the need for additional electric thruster burns in case of an electric thruster failure and therefore eliminates associated power and mass penalties.

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patent: 5443231 (1995-08-01), Anzel
patent: 5716029 (1998-02-01), Spitzer
patent: 5765780 (1998-06-01), Barskey et al.
patent: 5813633 (1998-09-01), Anzel
patent: 5823477 (1998-10-01), York
patent: 5845880 (1998-12-01), Petrosov et al.
patent: 5984236 (1999-11-01), Keitel et al.

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