THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – MISSION SUMMARY - FY-4G -
Full Name FY-4G Geostationary Meteorological Satellite
aka FY-4 O/G
Status Planned
Mission Agencies NSMC-CMA, NRSCC Launch Date 2033
Mission Links mission site | data access portal EOL Date 2040
EO Portal Info
Orbit Type Geostationary Orbit Period
Orbit Sense N/A Orbit Inclination
Orbit Altitude 36000 km Orbit Longitude -105 deg
Orbit LST Repeat Cycle
Objectives and Applications Meteorology and environmental monitoring; data collection and redistribution.
Mission Measurements
CategoryParameterInstrument(s)
AtmosphereAtmospheric Humidity Fields GIIRS
Atmospheric Winds LM, MCSI
Cloud type, amount and cloud top temperature MCSI
Trace gases (excluding ozone) LM
Atmospheric Temperature Fields GIIRS
Lightning Detection LM
LandAlbedo and reflectance MCSI
Surface temperature (land) MCSI
Multi-purpose imagery (land) MCSI
OceanOcean surface winds MCSI
Surface temperature (ocean) MCSI
Multi-purpose imagery (ocean) MCSI
Mission Instruments
GIIRS - Geostationary Interferometric Infrared Sounder
LM - Lightning Mapper
MCSI - Multiple Channel Scanning Imager
SEMIP/SEM - Space Environment Monitoring Instrument Package - Space Environmentr Monitor
SEMIP-fields - Space Environment Monitoring Instrument Package - fields
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