U.S.-European Sea Level Satellite Gears Up for Launch

This animation shows the radar pulse from the Sentinel-6 Michael Freilich satellite’s altimeter bouncing off the sea surface in order to measure the height of the ocean. (Credits: NASA/JPL-Caltech)

The Sentinel-6 Michael Freilich spacecraft will soon be heading into orbit to monitor the height of the ocean for nearly the entire globe.

VANDENBERG AIR FORCE BASE, Calif. (NASA PR) — Preparations are ramping up for the Nov. 10 launch of the world’s latest sea level satellite. Since arriving in a giant cargo plane at Vandenberg Air Force Base in California last month, Sentinel-6 Michael Freilich has been undergoing final checks, including visual inspections, to make sure it’s fit to head into orbit.

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5 Things to Know About Sentinel-6 Michael Freilich

Sentinel-6/Jason-CS will map up to 95% of Earth’s ice-free ocean every 10 days in order to monitor sea level variability. (Credit: ESA/ATG medialab)

Set for launch in November, the Earth-observing satellite will closely monitor sea level and provide atmospheric data to support weather forecasting and climate models.

PASADENA, Calif. (NASA PR) — On Nov. 10, the world’s latest Earth-observing satellite will launch from Vandenberg Air Force Base in California. As a historic U.S.-European partnership, the Sentinel-6 Michael Freilich spacecraft will begin a five-and-a-half-year prime mission to collect the most accurate data yet on global sea level and how our oceans are rising in response to climate change. The mission will also collect precise data of atmospheric temperature and humidity that will help improve weather forecasts and climate models.

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EUMETSAT Shifts Weather Satellites to Ariane 6

DARMSTADT, Germany — Meeting on 30 June in virtual configuration, the Council of Europe’s operational satellite agency for weather and climate, EUMETSAT, approved the transition plan from the second to the third generation of Meteosat geostationary satellites for 2022-2026.

As part of this plan, EUMETSAT will move Meteosat Second Generation (MSG) spacecraft Meteosat-9 over the Indian Ocean in 2022 to replace the ageing Meteosat-8 and continue MSG observations of that region until at least 2025. Meteosat observations of the Indian Ocean started in 1998 with a first-generation satellite, Meteosat-5.

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Six New Missions for the European Copernicus Earth Observation Program

Sentinel-6/Jason-CS will map up to 95% of Earth’s ice-free ocean every 10 days in order to monitor sea level variability. (Credit: ESA/ATG medialab)
  • On 1 July 2020, the European Space Agency awarded contracts for the development and construction of six further Copernicus satellites.
  • Contracts with a value of more than 800 million euro are being awarded to space companies in Germany, a high percentage of which are SMEs.
  • The new satellites are intended to help find answers to the global challenges posed by climate change, population growth and environmental problems.

BONN, Germany (DLR PR) — Sentinel satellites are at the heart of Copernicus, Europe’s largest Earth observation programme. Sentinels are already reliably and continuously providing large amounts of data on the state of the climate, vegetation and oceans. Now, six more ‘Earth Guardians’, the High Priority Candidate Missions (HPCM), are being added.

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New International Ocean Satellite Completes Testing

Mission team members perform acoustic tests of the Sentinel-6 Michael Freilich satellite in a chamber outfitted with giant speakers that blast the spacecraft with sound. This is to ensure that the high decibels associated with liftoff won’t damage the spacecraft. (Credit: Airbus)

A team of engineers in the U.S. and Europe subjected the Sentinel-6 Michael Freilich spacecraft to a battery of trials to ready it for liftoff later this year.


Once the state-of-the-art Sentinel-6 Michael Freilich satellite launches in November, it will collect the most accurate data yet on sea level – a key indicator of how Earth’s warming climate is affecting the oceans, weather and coastlines. But first, engineers need to ensure that the spacecraft can survive the rigors of launch and of operating in the harsh environment of space. That’s where meticulous testing comes in.

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