TERMIUM Plus®

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VOLANT INERTIE DOUBLE CARDAN [1 record]

Record 1 2000-04-01

English

Subject field(s)
  • Space Exploration Equipment and Tools
CONT

The satellite's integral propulsion system uses monomethyl hydrazine and nitrogen tetroxide bipropellant carried in four spherical titanium tanks. A single 490-newton (110-pound force) thruster is used for perigee augmentation and apogee burns, and thirteen 22-newton (5-pound force) thrusters are used for attitude control and stationkeeping maneuvers. Highly accurate antenna pointing control is provided by independent beacon tracking on each of the Ku-band reflector systems. The attitude control system uses an innovative combination of double-gimballed momentum wheels and magnetic field torquing, which minimizes the need for thruster use during normal on-station operations.

French

Domaine(s)
  • Équipement et outillage d'exploration spatiale

Spanish

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