MTG-S1

The infrared sounder instrument on MTG-S1 will provide measurement data approximately every 30 minutes, allowing inference on temperature, humidity, and wind at various altitudes in the atmosphere.

Both MTG-S1 and MTG-I2 are planned to reach Geostationary Earth Orbit.

Engineers at OHB in Germany mounted the Infrared Sounder and Sentinel-4 UVN spectrometer onto the MTG-S1 satellite.

The MTG-S1 satellite has been equipped with the Copernicus Sentinel-4 ultraviolet, visible, near-infrared spectrometer (UVN).

When fueled for geostationary orbit, the MTG-S1 satellite will weigh more than 3,800 kg.

MTG-S1 will be put through a complete set of functional and environmental tests over the next 12 months to verify performance for geostationary orbit at 36,0 m above the equator.

The new satellite MTG-S1 was launched from Kennedy Space Center in Florida on July 1, 2025.

MTG-S1 is the first European geostationary satellite equipped with an infrared sounder instrument.

The Falcon 9 MTG-S1 launch was followed less than ten hours later by a Falcon 9 launch from Cape Canaveral Space Force Station carrying a batch of Starlink satellites.

A Falcon 9 launched the MTG-S1 weather satellite from Kennedy Space Center.

Germany plays a leading role in satellite-based weather and climate observation with the launch of MTG-S1.

MTG-S1 carries the Copernicus Sentinel-4 UV-Visible-Near-Infrared spectrometer for hourly monitoring of air pollution across Europe.

When fueled for geostationary orbit, MTG-S1 will weigh more than 3.8 tonnes.

MTG-S1 was equipped with its main Infrared Sounder instrument and the Copernicus Sentinel-4 UVN spectrometer by August 14, 2023.

As of December 2022, Airbus had delivered the first Sentinel-4 air-monitoring instrument to ESA for inclusion on MTG-S1.

The MTG-S1 instruments (Infrared Sounder and Sentinel-4) must be mounted 50 millimeters apart on the satellite platform.

MTG-S1 is designed to operate from geostationary orbit at about 36,000 km above the equator and will be renamed Meteosat-13 after commissioning.

MTG-S1 was launched on July 1, 2025 at 21:04 UTC from Kennedy Space Center Launch Complex 39A aboard a SpaceX Falcon 9 using first stage booster B1085-9.

A separate filing (SES-STA-INTR2025-02160, Apr 30, 2025) planned LEOP support from the SSC Hawaii ground station for a period of 180 days commencing September 7, 2025 and stated MTG-S1 was expected to enter its final position in the GEO belt around July 21, 2025.

LEOP concluded and MTG-S1 was handed over to EUMETSAT on July 18, 2025 after launch and early orbit operations.