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Explore the European Space Agency's Earth Observation satellite missions. Learn all about ESA's dedicated Earth Explorers or collaborations with other agencies through the Third Party Missions programme.
Mission - Heritage Missions
Envisat was ESA's successor to ERS. Envisat carried ten instruments aboard for a wide range of Earth observing fields. The mission was operational from 2002 to 2012.
Mission - Third Party Missions
OceanSat-2 provides service continuity for the operational users of the OCM (Ocean Colour Monitor) instrument launched in 1999 on board the predecessor IRS-P4/OceanSat-1 mission.