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The mission

The Copernicus Sentinel-5 mission consists of an advanced imaging spectrometer hosted on the MetOp Second Generation A-type weather satellite. The instrument is a high-resolution imaging spectrometer that spans the ultraviolet, visible, near-infrared and shortwave infrared ranges, providing daily, global coverage. The mission’s data supports science, forecasts and public health alerts for air pollution, UV radiation, greenhouse gases and climate, for the benefit of both citizens and the economy.


The launch

Date: 13 August 2025
Site: Kourou, French Guiana
Rocket: Ariane 6

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832 km altitude
1 day revisit time
21 yrs operational life

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[ Sentinel-5 ]
Formaldehyde over Africa measured by Sentinel-5A
ARCHIVE CONTENT: 26 NOV. 2025

Sentinel-5 debuts images of atmospheric gases

Launched just a little over three months ago, Copernicus Sentinel-5A has returned its first images – including a global map of ozone, maps of nitrogen dioxide over the Middle East and South Africa, formaldehyde over parts of Africa, and emissions of sulphur dioxide from an active volcano in Russia – showcasing the mission’s powerful capability to monitor atmospheric gases worldwide.
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[ MetOp Second Generation ]
MetOp-SG-A1 and Sentinel-5 take to the skies
ARCHIVE CONTENT: 13 AUG. 2025

First MetOp-SG and Sentinel-5 launched

Ushering in a new era of weather and climate monitoring from polar orbit, the first in a new series of satellites, MetOp Second Generation, has been lofted into orbit aboard an Ariane 6 rocket from the European spaceport in Kourou, French Guiana. As part of this new satellite’s sophisticated instrument package is the new Copernicus Sentinel-5 instrument, which is designed to deliver critical data on air pollutants, ozone and climate-related gases.
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[ MetOp Second Generation ]
MetOp Second Generation A-type satellite
ARCHIVE CONTENT: 06 AUG. 2025

Watch: MetOp-SG-A1 and Sentinel-5 launch

Europe’s first MetOp Second Generation, MetOp-SG-A1, weather satellite – which hosts Copernicus Sentinel-5 as part of its instrument package – is set for liftoff on an Ariane 6 rocket from Europe’s Spaceport in Kourou, French Guiana, on 13 August 2025 at 02:37 CEST (12 August 21:37 Kourou time).Watch live on ESA Web TV One.
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[ MetOp Second Generation ]
Encapsulating MetOp-SG-A1 satellite in Ariane 6 fairing
ARCHIVE CONTENT: 05 AUG. 2025

First MetOp-SG satellite sealed within Ariane 6 fairing

As preparations to launch Europe’s first MetOp Second Generation, MetOp-SG-A1, satellite continue on track, the team at Europe’s Spaceport in Kourou, French Guiana, has bid a heartfelt farewell to this precious satellite as it was sealed from view within the Ariane 6 rocket’s fairing.This all-new weather satellite, which hosts the first Copernicus Sentinel-5 instrument, is set to take to the skies on 13 August at 02:37 CEST (12 August 21:37 Kourou time).
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Documents and publications

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[ Sentinel-5 ]
Copernicus Sentinel-5 embarked on MetOp-SG-A
24 JUL. 2025

Introducing the Sentinel-5 mission

Sentinel-5 is a Copernicus mission that is hosted on the MetOp Second Generation A-type weather satellites. It builds on the success of the Copernicus Sentinel-5 Precursor mission and introduces an advanced imaging spectrometer.
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[ Sentinel-5 ]
Copernicus Sentinel-5 on MetOp-SG-A1
24 JUL. 2025

Sentinel-5’s imaging spectrometer

The Copernicus Sentinel-5 mission has one instrument hosted on the MetOp Second Generation A-type series of weather satellites. The instrument is a high-resolution imaging spectrometer that spans the ultraviolet, visible, near-infrared and shortwave infrared ranges (UVNS).
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[ Sentinel-5 ]
MetOp Second Generation A-type satellite
24 JUL. 2025

Facts and figures

Name: Copernicus Sentinel-5Launch: 13 August 2025 (embarked on MetOp-SG-A)Launch site: Kourou, French GuianaRocket: Ariane 6Orbit: Polar, Sun-synchronous at altitude of approximately 832 kmRevisit time: Global coverage every 24 hoursInstrument: Ultraviolet, ...
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[ Sentinel-5 ]
Measuring atmospheric composition
25 JUL. 2025

Weather, climate, ozone and UV radiation

The Copernicus Sentinel-5 mission addresses the need for accurate atmospheric composition data, specifically related toair pollutionUV radiationozoneclimate change
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Earth Observation Programmes

Only space provides the perspective to understand, monitor and act on our changing world.
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Sentinel missions

The Sentinel missions are developed specifically for the operational needs of the Copernicus programme. Each Sentinel mission is based on a constellation of satellites to fulfil revisit and coverage requirements, providing robust datasets for Copernicus services.
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