Artist’s impression of Sentinel-1B.
With the Sentinel-1 mission designed as a two-satellite constellation, Sentinel-1B will join its identical twin, Sentinel-1A, which was launched on 3rd April 2014.
By orbiting 180° apart, global coverage and data delivery are optimised for the Copernicus services.
The mission is being used for a multitude of applications to improve everyday life and understand our changing planet, from tracking land subsidence to monitoring ice in polar oceans.