MTG-S1 is Europe's first operational geostationary atmospheric-sounding satellite and hosts the Copernicus Sentinel-4A air-quality instrument. Developed through ESA, EUMETSAT, OHB, Thales Alenia Space, and other European partners, the spacecraft completed commissioning in July 2026 and entered operational service at 0 degrees longitude.
Alerts for this mission, including changes. Time-based alerts will start when a time is available.