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 10:00 desc
Dry mass 2250 kg
Power 2500 W
Launch 2013-09-23
End of service ≥2018


Acronym Full name
MERSI-1  Medium Resolution Spectral Imager
VIRR  Visible and Infra-Red Radiometer
MWHS-2  Micro-Wave Humidity Sounder
MWRI  Micro-Wave Radiation Imager
MWTS-2  Micro-Wave Temperature Sounder
IRAS  Infra Red Atmospheric Sounder
TOU  Total Ozone Unit
SBUS  Solar Backscatter Ultraviolet Sounder
SIM  Solar Irradiance Monitor
ERM  Earth Radiation Measurement
GNOS  GNSS Radio Occultation Sounder
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.


Instrument Data Code
MERSI L1 dataL2L3 product
VIRR L1 dataL2L3 product
MWRI L1 dataL2L3 product
MWHS L1 dataL2L3 product
MWTS L1 data
IRAS L1 dataL2L3 product
TOU L1 dataL2L3 product
SBUS L1 data
ERM L1 data
SIM L1 data
GNOS L1 dataL2L3 product
SEM L1 dataL2L3 product
MULSS L2L3 product
ERBM L2L3 product
VASS L2L3 product


FY-3C Mosaic image by FY-3C