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CO2M (Sentinel 7)
CO2M [OHB]
CO2M (Copernicus Anthropogenic Carbon Dioxide Monitoring) or Sentinel 7 is an earth observation mission in the framework of ESA's Copernicus program.
The CO2M mission consists of two satellites and will carry a near-infrared and shortwave-infrared spectrometer to measure atmospheric carbon dioxide produced by human activity. These measurements would reduce current uncertainties in estimates of emissions of carbon dioxide from the combustion of fossil fuel at national and regional scales. This would provide the EU with a unique and independent source of information to assess the effectiveness of policy measures, and to track their impact towards decarbonising Europe and meeting national emission reduction targets.
The instruments are:
- A combined CO2/NO2 (carbon dioxide/nitrogen dioxide) instrument based on a near-infrared and shortwave-infrared spectrometer provided by Thales Alenia Space in France
- A Multi-Angle polarimeter (MAP) based on 4 identical cameras, contained in a dedicated optical unit, provided by Thales Alenia Space in UK
- A cloud imager (CLIM), derived from the flight proven ProbaV instrument, provided by OIP sensors in Belgium
In July 2020, ESA signed a contract with OHB Space Systems as a prime contractor to build the satellite.
| Nation: | Europe |
|---|---|
| Type / Application: | Earth observation |
| Operator: | ESA |
| Contractors: | OHB Space Systems (prime) |
| Equipment: | CO2/NO2 (carbon dioxide/nitrogen dioxide) instrument, MAP, CLIM |
| Configuration: | |
| Propulsion: | |
| Power: | Deployable solar array, batteries |
| Lifetime: | |
| Mass: | 1500 kg |
| Orbit: |
| Satellite | COSPAR | Date | LS | Launch Vehicle | Remarks | |
|---|---|---|---|---|---|---|
| CO2M 1 (Sentinel 7A) | - | 2025 | Ko ELV | Vega-C | ||
| CO2M 2 (Sentinel 7B) | - | 2026 | Ko ELV | Vega-C |
References:
- ESA: Copernicus High Priority Candidates
- SpaceNews: ESA selects prime contractors for six new Copernicus missions
- OHB System: OHB and ESA sign contract for Copernicus atmospheric CO2 monitoring mission, 31 July 2020
- Thales Group: Thales Alenia Space to partner with OHB system to build Copernicus CO2M satellites, 31 July 2020
