Objectives and Applications
High-resolution measurement of methane emissions from industrial sites.
Full Name
Greenhouse Gas Satellite - C1 (Iris)
Mission Status
Operational (nominal)
Mission Agencies
GHGSat
Launch Date
02 Sep 2020
Mission Links
EOL Date
Sep 2025
Orbit Type
Sun-synchronous
Orbit Period
95 minutes
Orbit Sense
Descending
Orbit Inclination
97.5 deg
Orbit Altitude
514 km
Orbit Longitude
Orbit LST
10:15
Repeat Cycle
14 days
NORAD Catalog #
International Designator
VIS - Visible light context imager  |
| WAF-P (CH4) - Wide-Angle Fabry-Perot Imaging Spectrometer (CH4) |
| Category | Parameter | Instrument(s) |
| Atmosphere | Cloud type, amount and cloud top temperature | VIS |
| Trace gases (excluding ozone) | WAF-P (CH4) |
GHGSat Archive and Tasking
Jan-2020 | The GHGSat constellation aims to become the global reference for the remote
sensing of greenhouse gas (GHG) emissions from any source in the world. The
GHGSat constellation currently consists of GHGSat-D (Claire), GHGSat-C1 (Iris)
and GHGSat-C2 (Hugo). Additional launches are foreseen over the coming years
in order to achieve a 10 satellite constellation. The on-board spectrometer
allows measurement of the vertical column abundances of greenhouse gases,
especially methane. ESA offers access to worldwide GHGSat data (both archived and new acquisitions) via the TPM scheme. - Read more |
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