The mission

The Copernicus Sentinel-1 mission is designed as a two-satellite constellation. Each satellite carries an advanced radar instrument to provide an all-weather, day-and-night supply of imagery of Earth’s surface.


The launch

  • Date: Sentinel-1A - 03 April 2014
    Sentinel-1B - 25 April 2016
    Sentinel-1C - 5 December 2024
    Sentinel-1D - 4 November 2025
  • Site: Europe's Spaceport, French Guiana

  • Rocket: Sentinel-1A and -B on Soyuz
    Sentinel-1C on Vega-C
    Sentinel-1D on Ariane 6

1st in the Sentinel series
693 km orbit altitude
10+ yrs in orbit

Dernières actualités


Dernières images


Dernières vidéos



Sentinel-1 documents and publications

Sentinel-1: advances in remote sensing after a decade in spaceRemote sensing of Environment, Special Issue, 2025ESA's radar observatory mission for GMES operational servicesESA Special Publication (SP-1322/1), 2012GMES Sentinel-1 missionRemote sensing ...


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