The European Space Agency (ESA), in collaboration with the European Commission (EC) and EUMETSAT, is developing as part of the Copernicus program, a space-borne observing system supporting the quantification of anthropogenic carbon dioxide (CO2) (and methane) emissions. The anthropogenic CO2 monitoring (CO2M) mission will be implemented as a constellation of identical Low Earth Orbit satellites [1] [2], to be operated over a nominal period of more than 7 years. Each satellite will continuously measure CO2 concentration in terms of column-averaged dry air mole fraction (denoted XCO2) on the sun-illuminated part of the orbit, with a swath width of 250 km. The mission demanding requirements necessitate a payload composed of three instruments, which simultaneously perform co-located measurements: a push-broom imaging spectrometer in the Near Infrared (NIR) and Short-Wave Infrared (SWIR) for retrieving XCO2 and XCH4, and in the Visible spectral range (VIS) for nitrogen dioxide (NO2), a Multi Angle Polarimeter (MAP) and a three-band Cloud Imager (CLIM). Following the kick-off mid-2020 and after completion of the Payload Preliminary Design Review (PDR) in Summer 2022, the industrial activities are now running the Payload Critical Design Review (CDR) allowing to start the AIT phase of the Payload Proto Flight Model. The paper will provide an overview of the payload development achieved during the phase C. The critical design of the instruments on board the CO2M mission, their performance, the progress of the critical technological activities and the results of the development of the supporting validation models will be highlighted.
Copernicus CO2M: the mission for monitoring anthropogenic carbon dioxide from space: status of the payload at the start of the AIT phase
International Conference on Space Optics — ICSO 2024 ; 2024 ; Antibes Juan-les-Pins, France
Proc. SPIE ; 13699 ; 1369916
2025-07-28
Conference paper
Electronic Resource
English
The Copernicus CO2M payload for monitoring anthropogenic carbon dioxide emissions
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