Since 1974, CNES, the French National Space Agency, has been involved in the geostationary launch and early operations phases (LEOP) of moving satellites from a transfer orbit delivered by a launcher to a geostationary point. During the operations and their preparation, the Flight Dynamics Center (FDC), part of CNES LEOP facilities, is in charge of the space mechanics aspects. What is noteworthy about the Spanish HISPASAT satellite positioning is that all the operations were performed on the customer's premises, and consequently the FDC was duplicated in Madrid, Spain. The first part of this paper is the FDC presentation: its role, its hardware configuration, and its space dynamics ground control system called MERCATOR. The second part of this paper details the preparation used by the FDC for the HISPASAT mission: hardware and software installation in Madrid, integration with the other entities, and technical and operational qualifications. The third part gives results concerning flight dynamics aspects and operational activities.
HISPASAT Launch and Early Operations Phases: Computation and Monitoring of Geostationary Satellite Positioning
1993
6 pages
Report
No indication
English
Space Launch Vehicles & Support Equipment , Astronautics , Ground based control , Orbit insertion , Orbital maneuvers , Positioning , Spacecraft launching , Synchronous satellites , Geosynchronous orbits , Transfer orbits , Ground stations , Orbit calculation , Orbital position estimation , Spacecraft control , Spanish space program , Foreign technology
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