Sentinel Fleet (Copernicus)

Monitoring Earth’s land, oceans, atmosphere, and climate.

Overview

The Sentinel satellites form the space component of the Copernicus programme, Europe’s flagship Earth observation initiative. Different Sentinel families focus on land, ocean, atmosphere, and climate monitoring.

Their freely available data supports weather forecasting, agriculture, disaster response, environmental policy, and long-term climate research worldwide.

📌 Mission Facts

Agency: ESA (for Copernicus)

Mission Type: Earth observation constellation

Focus: Land, ocean, atmosphere, climate

Sentinel Families

  • Sentinel-1: Radar imaging — day/night, all-weather monitoring.
  • Sentinel-2: High-resolution optical imaging for land and vegetation.
  • Sentinel-3: Ocean and land surface monitoring (temperature, color, height).
  • Sentinel-4,5: Atmospheric composition and air quality.
  • Sentinel-6: Precise sea-level measurements.
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