FY-3C Satellite


  • 3rd flight unit of the FY-3 series.
  • Main mission: operational meteorology.
  • Substantial contribution to ocean and ice monitoring, climate monitoring.
  • Significant contribution to atmospheric chemistry and space weather.
Orbit Sunsynchronous orbit
Altitude 836 km
ECT 10:15 desc
Dry mass 2250 kg
Power 2500 W
Launch 2013-09-23
End of service ≥2021


Picture Acronym Full name
MERSI-I MERSI-I  Medium Resolution Spectral Imager-I
MERSI-1 VIRR  Visible and Infra-Red Radiometer
IRAS IRAS  Infra Red Atmospheric Sounder
MWTS-II MWTS-II  Micro-Wave Temperature Sounder-II
MWHS-II MWHS-II  Micro-Wave Humidity Sounder-II
MWRI-I MWRI-II  Micro-Wave Radiation Imager-I
GNOS-I GNOS-I  GNSS Radio Occultation Sounder-I
TOU TOU  Total Ozone Unit
SBUS  Solar Backscatter Ultraviolet Sounder
ERM-I ERM-I  Earth Radiation Measurement-I
SIM-II  Solar Irradiance Monitor-II
SEM  Space Environment Monitor

Data Circulation

DPT (Delayed Picture Transmission) to acquire the on-board stored global data.

MPT (Medium-resolution Picture Transmission), for X-band real-time broadcasting of information of MERSI data.

HRPT (High Resolution Picture Transmission) for real-time broadcasting of full information of instruments aboard but MERSI.


Payload Datasets
MERSI-I L1 dataL2L3 product
VIRR L1 dataL2L3 product
IRAS L1 dataL2L3 product
MWTS-II L1 data
MWHS-II L1 dataL2L3 product
MWRI-I L1 dataL2L3 product
GNOS-I L1 dataL2L3 product
TOU L1 dataL2L3 product
SBUS L1 data
ERM-I L1 data
SIM-II L1 data
SEM L1 dataL2L3 product
MULSS L2L3 product
ERBM L2L3 product
VASS L2L3 product





Mosaic image by FY-3C

Operational Parameters