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Sentinel-3B

The Sentinel satellites are designed within the European Commission Copernicus programme, whose aim is to monitor our planet for environmental, social, and economic purposes. The Sentinel-3 series is focused on ocean observation, with further applications also on land and atmosphere. The mission is based on two identical satellites flying on a polar, Sun-synchronous orbit at altitude 815 km, inclination of 98.6° and a repeat cycle of 27 days. The first satellite, Sentinel-3A was launched in February 2016.


Satellite Parameter

AgencyESA/EUMETSAT
Launch date2018-04-25
Mass1250 kg
Sentinel-3BESA

Orbit elements

Sentinel-3B
Repeat cycle27 days
Semi major axis7182470 m
Eccentricity0.000309
Inclination98.62 °
Start of phase2018-11-23
Revolutions350
List of cyclesLink