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Sentinel 6A

Also called Jason CS, Copernicus Sentinel 6A, Michael Freilich


Designation 46984 / 20086A
Launch date 21 Nov 2020
Country of origin Europe
Mission Remote sensing
Perigee/Apogee 1336 km, sun-synchronous
Inclination 66°
Period 111 min (10-day period)
Launch vehicle Falcon 9 #107

High precision measurements of ocean surface topography. Along with measuring global sea level rise and ocean circulation, the satellite will record vertical profiles of atmospheric temperature and humidity.

It's a partnership between NASA, the U.S. National Oceanic and Atmospheric Administration (NOAA), the European Space Agency, and the European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT). Eumetsat controls the satellite. Should become operational in late 2021 after calibration.

Satellite worth EUR 177 million. Launch cost $97 million

A second satellite Sentinel 6B sould be launched 5 years after

sat-index articles

n2yo.com tracking

Technical data


Prime contractor Airbus Defence and Space
Mass at launch 1500 kg
Dry mass  
Solar array  
DC power  
Design lifetime  

Thales Anenia Space provided the Poseidon-4 radar altimeters.
AMR-C radiometer (water vapour levels)
GPS for atmospheric occultation
DORIS transponder

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