The Meteosat Third Generation (MTG) Programme is a EUMETSAT geostationary satellite mission developed by the European Space Agency (ESA). It will ensure the future continuity with, and enhancement of, operational meteorological and climate data from Geostationary Orbit as currently provided by the Meteosat Second Generation (MSG) system. The MTG satellites series is composed of 4 MTG-I and 2 MTG-S to bring to the meteorological community a continuous Imagery and Sounding capabilities with high spatial, spectral, and temporal resolution observations including geophysical parameters of the Earth based on new state-of-the-art sensors.
The first satellite (MTG-I1) was launched on 13th December 2022 by an Ariane 5 rocket. It features the Flexible Combined Imager (FCI) and the Lightning Imager (LI). MTG-S series of satellites, whose first launch is planned in 2025, embarks the Infra-Red Sounder (IRS) and the Sentinel-4/ Ultra-violet/Visible/Near-Infrared (UVN) sounder instruments on geostationary orbit.
This presentation will summarise the outcomes of the Cal/Val of the MTG-I1 FCI and LI Level-1 and Level-2 operational products, and will provide the status of the MTG-S1 mission.
The Meteosat Third Generation (MTG) Programme is a EUMETSAT geostationary satellite mission developed by the European Space Agency (ESA). It will ensure the future continuity with, and enhancement of, operational meteorological (and climate) data from Geostationary Orbit as currently provided by the Meteosat Second Generation (MSG) system. The MTG satellites series is composed of 4 MTG-I and 2 MTG-S to bring to the meteorological community a continuous Imagery and Sounding capabilities with high spatial, spectral, and temporal resolution observations including geophysical parameters of the Earth based on state-of-the-art sensors. The first satellite (MTG-I1) was launched on 13th December 2022 by an Ariane 5 rocket. The commissioning of the whole system is expected to span over 2023. As part of the space segment of the mission, ESA and EUMETSAT performed the commissioning phase with the support of the Prime Contractor and the main unit's sub-contractors and suppliers. The recurrent satellites are being integrated and stored awaiting the availability of launchers, with a plan to launch MTG-S1 in Q1/2025 and MTG-I2 in Q1/2026. The main elements of the MTG-S1 satellite are now integrated and undergoing module level on-ground testing. This paper will address the overall mission and its instruments high level design features. It will introduce the MTG-I1 satellite performances as measured in-orbit and processed during the commissioning phase, before entering the routine operations and will discuss the future.
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