Europe’s eyes on Earth: the EU’s Copernicus Programme

Introduction

EUMETSAT operates fleets of satellites in various orbits to deliver crucial information for weather forecasters, climate scientists, and other data users. The continuous 24/7 data provision from these satellites is essential. Member states' meteorological services rely on the data from EUMETSAT's satellite instruments to produce timely and accurate weather forecasts and to monitor the climate effectively. Satellite systems are operated from Darmstadt, Germany headquarters, known as EUMESAT. A list of missions are as follows:
Satellite Program Number of Satellites Orbit Orbit Height Mission First Launch End Date
Meteosat 12 (3 Generations) Geostationary 36,000 km Weather forecasting, severe weather detection, climate monitoring November 1977 Third Generation ongoing
Metop 3 (First Generation) Polar (LEO) 817 km Detailed atmospheric, ocean, and land observations for weather forecasts (12 hours to 10 days), climate monitoring 2006 Second Generation planned for 2025
Sentinel-1, -2, -3, -6 Varies Polar/Geostationary Varies Earth observation for Copernicus program; Sentinel-4 and -5 are instruments on Meteosat and Metop satellites 2014 (Sentinel-1) Ongoing
Jason 3 (Jason-1, -2, -3) Polar (LEO) 1,336 km Precise measurements of global mean sea level, climate monitoring, seasonal weather forecasting 1992 (TOPEX-Poseidon) April 2022 (Replaced by Sentinel-6)

Copernicus Missions

  • Copernicus is the most ambitious Earth observation programme to date.
  • To meet the operational needs of the Copernicus programme, ESA developed the family of Sentinel satellites.
  • At present, three complete two-satellite constellations are in orbit, along with two additional single satellites—Sentinel-5P.
  • Copernicus provides a unified system through which huge amounts of data are fed into a range of thematic information services, designed to benefit the environment and humanitarian needs while supporting effective policy-making for a more sustainable future.

Applications of Copernicus space missions

Copernicus covers wide number of applications. The main applications are in environmental science, climate change and disaster management.
  • Climate change
  • Land Overview
  • Marine monitoring overview
  • Atmospheric monitoring overview
  • Greenhouse gases
  • Reactive gases
  • Ozone and solar UV Radiation
  • Floods
  • Forest Fires
  • Landslides
  • Earthquakes and Volcanic eruption
  • Humanitarian crises
  • Oil spills
  • Border Surveillance
  • Maritime surveillance

Sentinel missions

The Copernicus program, led by the European Union and the European Space Agency (ESA), is a comprehensive Earth observation program that aims to provide accurate and timely environmental information to support a wide range of applications. The Sentinel missions are a key component of the Copernicus program, consisting of a constellation of Earth observation satellites designed to monitor different aspects of the Earth's environment.
Mission Name Objective Applications Onboard Sensors Year of Launch Orbit
Sentinel-1A To provide all-weather, day-and-night Earth observation data for land and ocean monitoring. Land use mapping, ice cover monitoring, maritime safety, flood mapping, and disaster response.
  • C-band synthetic aperture radar (SAR)
 April 3, 2014 Sun-synchronous, near-polar orbit
Sentinel-1B To provide all-weather, day-and-night Earth observation data for land and ocean monitoring, complementing Sentinel-1A. Land use mapping, ice cover monitoring, maritime safety, flood mapping, and disaster response.
  • C-band synthetic aperture radar (SAR)
 April 25, 2016 Sun-synchronous, near-polar orbit
Sentinel-2A To provide high-resolution multispectral imagery for land cover mapping, vegetation monitoring, and water resource management. Land cover mapping, vegetation monitoring, water resource management, agricultural monitoring, and forestry management.
  • Multispectral instrument (MSI)
 June 23, 2015 Sun-synchronous, near-polar orbit
Sentinel-2B To provide high-resolution multispectral imagery for land cover mapping, vegetation monitoring, and water resource management, complementing Sentinel-2A. Land cover mapping, vegetation monitoring, water resource management, agricultural monitoring, and forestry management.
  • Multispectral instrument (MSI)
 March 7, 2017 Sun-synchronous, near-polar orbit
Sentinel-3A To provide continuous and accurate measurements of sea surface temperature, ocean color, and land surface temperature. Ocean monitoring, climate change research, marine meteorology, and fisheries management.
  • Sea and Land Surface Temperature Radiometer (SLSTR),
  • Ocean and Land Colour Instrument (OLCI),
  • Synthetic Aperture Radar Altimeter (SRAL)
 February 16, 2016 Sun-synchronous, near-polar orbit
Sentinel-3B To provide continuous and accurate measurements of sea surface temperature, ocean color, and land surface temperature, complementing Sentinel-3A. Ocean monitoring, climate change research, marine meteorology, and fisheries management.
  • Sea and Land Surface Temperature Radiometer (SLSTR),
  • Ocean and Land Colour Instrument (OLCI),
  • Synthetic Aperture Radar Altimeter (SRAL)
 April 25, 2018 Sun-synchronous, near-polar orbit
Sentinel-4 To provide continuous monitoring of atmospheric composition, including ozone, nitrogen dioxide, sulfur dioxide, and formaldehyde. Air quality monitoring, climate change research, and atmospheric modeling.
  • Total Ozone Parcel Instrument (TROPOMI)
 October 21, 2017 Geostationary orbit
Sentinel-5P To provide atmospheric composition measurements, including greenhouse gases, aerosols, and trace gases. Air quality monitoring, climate change research, and atmospheric modeling.
  • Total Ozone Parcel Instrument (TROPOMI)
 October 13, 2017 Sun-synchronous, near-polar orbit
Sentinel-5A To provide atmospheric composition measurements, including ozone, nitrogen dioxide, sulfur dioxide, and formaldehyde. Air quality monitoring, climate change research, and atmospheric modeling.
  • Total Ozone Parcel Instrument (TROPOMI)
 August 22, 2020 Sun-synchronous, near-polar orbit
Sentinel-6 To provide high-precision measurements of sea surface topography, significant wave height, and wind speed. Ocean monitoring, climate change research, maritime safety, and coastal zone management.
  • Poseidon-3 radar altimeter,
  • microwave radiometer (MWR),
  • synthetic aperture radar (SAR)
 November 21, 2020 Sun-synchronous, near-polar orbit



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