BackForward Satellite: FY-3C 

Satellite details
Acronym FY-3C
Full name Feng-Yun 3C
Satellite Description
  • 3rd flight unit of the FY-3 series.
  • Main mission: operational meteorology.
  • Substantial contribution to ocean and ice monitoring, climate monitoring and space weather.
  • Significant contribution to atmospheric chemistry.
Mass at launch 2300 kg Dry mass 2250 kg
Power 2500 W
Data access link
Data access information
  • Real-time availability of ERM-1, IRAS, MERSI-1, MWHS-1, MWRI, MWTS-1, SBUS, SEM, SIM-1, TOU and VIRR by MTP (X-band). Note: MTP uses Left Hand Circular Polarisation (LHCP).
  • Real-time availability of a selection of data by AHRPT in L-band, using RHCP.
  • Global data available via CMA portalSelected global data available under bilateral arrangements
Orbit Sunsynchronous orbit Altitude 836 km
ECT 08:20 desc


Space agency CMANRSCC
Status Operational
Details on Status
(as available)
  • Operational service suspended on 31 May 2015 for anomaly investigation. Recovered from 30 July onwards.
  • From 25 May 2020, the Delayed Picture Transmission (DPT) and High Resolution Picture Transmission (HRPT) services of FY-3C outside China are no longer been provided.
Launch 23 Sep 2013 EOL ≥2022
Last update: 2022-02-28
Associated satellite programme and related satellites

Note: red tag: no longer operational , green tag: operational , blue tag : future

Satellite Payload

All known Instruments flying on FY-3C

Acronym Full name
ERM-1 Earth Radiation Measurement - 1
GNOS GNSS Radio Occultation Sounder
IRAS Infra Red Atmospheric Sounder
MERSI-1 Medium Resolution Spectral Imager -1
MWHS-2 Micro-Wave Humidity Sounder -2
MWRI Micro-Wave Radiation Imager
MWTS-2 Micro-Wave Temperature Sounder - 2
SBUS Solar Backscatter Ultraviolet Sounder
TOU Total Ozone Unit
VIRR Visible and Infra-Red Radiometer
SIM-1 Solar Irradiance Monitor - 1
SEM/HEPD Space Environment Monitor - High Energy Particle Detector
SEM/IMS Space Environment Monitor - Ionosphere Measurement Sensor
Show instrument status and calibration
Telecommunication frequency or microwave sensing channel information Show expert details
Service Dir or Mode Frequency Emission designator Bandwidth Polarisation D/A Data rate or Baseband Comments
DPT S-E 8175 MHz 300MG1W 300000  kHz LHCP D 225000  kbps Stored data
MPT S-E 7780 MHz 60M0G1W 60000  kHz LHCP D 45000  kbps Full-resolution MERSI data
AHRPT S-E 1701.4 MHz 6M80G1W 6800  kHz RHCP D 4200  kbps Other instrument data
MWRI passive 10650 MHz 180000  kHz H&V A   Window channel
MWRI passive 18700 MHz 200000  kHz H&V A   Window channel
MWRI passive 23800 MHz 400000  kHz H&V A   Water vapour channel
MWRI passive 36500 MHz 400000  kHz H&V A   Window channel
MWRI passive 89000 MHz 3000000  kHz H&V A   Window channel
MWTS-2 passive 50210 - 57455 MHz N/R  kHz H or V A   Oxygen band, 13 channels
MWHS-2 passive 89000 MHz 1500000  kHz H&V A   Window channel
MWHS-2 passive 112750 - 124750 MHz N/R  kHz H A   Oxygen band, 8 channels
MWHS-2 passive 150000 MHz 1500000  kHz V A   Weak water vapour channel
MWHS-2 passive 175310 - 191310 MHz N/R  kHz H A   Water vapour band, 5 channels