DORIS (satellite system)

The DORIS antenna and receiver installed onboard OSTM/Jason-2 satellite
Country/ies of originFrance
Operator(s)CNES
TypeCivilian
StatusOperational
Constellation size
Nominal satellites0 (ground transmitters only)
First launch1990 (1990)

DORIS is a French satellite system used for the determination of satellite orbits (e.g. TOPEX/Poseidon) and for positioning. The name is an acronym of "Doppler Orbitography and Radiopositioning Integrated by Satellite" or, in French, Détermination d'Orbite et Radiopositionnement Intégré par Satellite.

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