The Copernicus Sentinel-2 mission comprises a land monitoring constellation of two polar-orbiting satellites placed in the same sun-synchronous orbit, phased at 180° to each other. It aims at monitoring variability in land surface conditions, and its wide swath width (290 km) and high revisit time (10 days at the equator with one satellite, and 5 days with 2 satellites which results in 2-3 days at mid-latitudes) will support monitoring of Earth’s surface changes.

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