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EUMETSAT Now Handling All Space Ops For The Sentinel-6 Michael Freilich Satellite

November 24, 2020

Artistic rendition of the Sentinel-6 “Michael Freilich” satellite on-orbit.

Three days after the launch of Sentinel-6 Michael Freilich from California, ESOC, ESA’s space Operations Center handed over flight operations of the Copernicus ocean-monitoring satellite to EUMETSAT.

ESOC started the launch and early operations phase immediately after the satellite separated from the launcher on November 21 and concluded it on November 24. This phase included activation and verification of all functions of the platform and performing the maneuvers needed to transfer the spacecraft towards its operational orbit.

EUMETSAT took over flight operations at its mission control centre in Darmstadt on 24 November, as Sentinel-6 Michael Freilich was drifting toward Jason-3, the current, operational, high-precision, ocean altimetry mission, EUMETSAT’s Sentinel-6 Flight Operations Manager Gareth Williams said.

With Sentinel-3A and Sentinel-3B, this is the third Copernicus ocean-monitoring satellite operated by the organization on behalf of the European Union.

Another six months will be necessary to validate and release the highest accuracy sea level products used for climate monitoring. Then, Copernicus Sentinel-6 Michael Freilich will replace Jason-3 as the reference high-precision ocean altimetry mission, Jackson said.

The partners of the Copernicus Sentinel-6 mission are the European Commission, ESA, EUMETSAT, NASA and the United States’ National Oceanic and Atmospheric Administration (NOAA), with support from the French Space Agency (CNES).

Executive Comments

Rolf Densing

ESA’s Director of Operations, Rolf Densing, said he was extremely proud of the hard work and dedication of everyone at ESOC who supported this important international mission. He said, “It takes a well-trained and led ‘team of teams’ to successfully catch the first signals from a newly launched mission, establishing control when time and margins are critical.”

Williams said, “We will stop the drift of Sentinel-6 Michael Freilich and keep it flying 30 seconds behind Jason-3 on the same orbit to allow for cross calibration of the data from their instruments. This will ensure the seamless continuity of a unique sea level record. We will also switch on all instruments, acquire and pre-process first mission data and share them with ESA and NASA for evaluation, leading to the completion of satellite in-orbit commissioning in January.”

EUMETSAT’s Sentinel-6 System Commissioning Manager Conrad Jackson said that, in parallel, the organization would work with ESA, NASA, NOAA, CNES and scientists from Europe and the United States to calibrate the products and validate the end-to-end Sentinel-6 system. Jackson noted, “This will be achieved in June, with release to all users of near-real-time products equivalent to those of those of Jason-3.”

Filed Under: Command + Control, Earth Observation (EO), Satellites

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