Sentinel-3B is the second satellite of the Copernicus Sentinel-3 mission, launched on 25 April 2018 on a Rockot from Plesetsk. Together with Sentinel-3A, it improves coverage and data delivery for monitoring oceans, land, ice, and atmosphere for Copernicus environmental services.
Alerts for this mission, including changes. Time-based alerts will start when a time is available.