The Sentinel-3 satellite fits into the Copernicus program, a joint project between Esa and European Union. It will be dedicated to Earth monitoring and operational oceanography. This project is the European answer to the needs still growing related to the global environment.



Sentinel-3 belongs to a series of several satellites, each of which covers a different aspect of Earth Observation and monitoring. Sentinel-1 is a SAR-dedicated satellite, Sentinel-2 is an optical one, etc.

Satellite  Sentinel-3B
Launch on  25/04/2018
End Date 
Altitude  814.5 km
Inclination  98.645589
Repetitivity  27-day repeat cycle, 14+7/27 orbits per day
Agency  Esa
Goals  deliver routine operational services to policy-makers and marine and land service users