A Rockot launch vehicle lifted off from the Plesetsk Cosmodrome in northern Russia on November 2, 2009, at 02:50 CET. Rockot carried to orbit two new ESA satellites: SMOS and PROBA-2.
SMOS was released by the Breeze-KM upper stage some 70 minutes after the launch. After arriving at a lower orbit, the upper stage released Proba-2 around three hours after the launch.
The Soil Moisture and Ocean Salinity (SMOS) mission, which is the second Earth Explorer Opportunity mission to be developed as part of ESA’s Living Planet Program, will provide global maps of moisture over the Earth’s landmasses and salinity over the oceans. These observations will improve our understanding of hydrology and ocean circulation patterns.
PROBA-2 is part of an ESA program called In-Orbit Technology Demonstration Program, which is dedicated to the demonstration of innovative technologies. The PROBA-2 payload consists of scientific instruments that will make observations of the Sun in the ultraviolet portion of the spectrum and will measure certain properties of the plasma surrounding the spacecraft.
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