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The Copernicus Sentinel-1 mission is about to get its fourth satellite, with Sentinel-1D now ready for liftoff. Launch will take place with an Ariane 6 rocket from Kourou, French Guiana and live coverage will be shown on Tuesday, 4 November, at 22:02 CET (18:02 at Kourou).<\/p>\n
Watch live on ESA Web TV<\/a>.<\/p>\n Follow the launch live on Tuesday, 4 November 2025 (all times in CET)<\/p>\n 21:15 \u2013 Broadcast begins<\/p>\n 21:35 \u2013 Streaming from Kourou<\/p>\n 21:38 \u2013 Introductions, interviews and mission status updates<\/p>\n 22:02 \u2013 Liftoff and live commentary<\/p>\n 23:22 \u2013 Acquisition of signal<\/p>\n 23:30 \u2013 Press conference<\/p>\n 00:15 \u2013 End of press conference and streaming<\/p>\n \t\t\t\t\t\t\tSentinel-1 patch<\/a><\/p>\n \t\tAbout the Copernicus Sentinel-1 mission<\/p>\n The Sentinel-1 mission delivers radar images of Earth\u2019s surface, performing in all weathers, day-and-night. This service is vital for disaster response teams, environmental agencies, maritime authorities, climate scientists \u2013 and other users who depend on frequent updates of critical data.<\/p>\n The mission is part of the Copernicus family of Sentinel satellites, developed by the European Space Agency (ESA). Copernicus is the Earth observation component of the European Union\u2019s Space Programme. It supports the EU in contributing to solutions to address common global challenges.<\/p>\n The data provided by the Sentinel missions form the basis of the operational Copernicus information services, helping to manage the environment, monitor and react to climate change and safeguard lives. The Copernicus data policy provides full, open and free-of-charge access to data and information.<\/p>\n \t\t\t\t\t\t\tSentinel-1D fuelled in Kourou<\/a><\/p>\n