BackForward Satellite: FY-3J 

Satellite details
Acronym FY-3J
Full name Feng-Yun 3J
Satellite Description
  • 10th flight unit of the FY-3 series.
  • Main mission: operational meteorology.
  • Substantial contribution to ocean and ice monitoring, climate monitoring, atmospheric chemistry and space weather.
Mass at launch 2300 kg Dry mass 2250 kg
Power 2500 W
Data access link no link provided
Data access information
  • Real-time availability of HIRAS, ERM-2, GNOS, MERSI-2, MWHS-2, MWTS-2, OMS (limb+nadir), SES (IPM+SEM+WAI), SIM-2 and WindRAD by MTP.
  • Real-time availability of a selection of data by AHRPT.
Orbit Sunsynchronous orbit Altitude 836 km
ECT 05:00 desc


Space agency CMANRSCC
Status Planned
Details on Status
(as available)
Launch ≥2027 EOL ≥2035
Last update: 2022-05-09
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-3J

Acronym Full name
MWHS-2 Micro-Wave Humidity Sounder -2
SIM-2 Solar Irradiance Monitor - 2
WindRAD Wind Radar
SWS/SEM/HEPD Space Weather Suite / Space Environment Monitor / High Energy Particle Detector
SWS/SEM/IMS Space Weather Suite / Space Environment Monitor / Ionosphere Measurement Sensor
SWS/Tri-IPM Space Weather Suite - Triple-angle Ionospheric PhotoMeter
MWTS-3 Micro-Wave Temperature Sounder - 3
HIRAS-2 Hyperspectral Infrared Atmospheric Sounder - 2
MERSI-LL Medium Resolution Spectral Imager - Low-Light
SSIM Solar Spectral Irradiance Monitor
SWS/SEM/FGM Space Weather Suite / Space Environment Monitor / Flux Gate Magnetometer
GNOS-2 GNSS Radio Occultation Sounder - 2
XEUVI Solar X-ray and Extreme Ultraviolet Imager
Show instrument status and calibration
Satellite frequencies for Earth Observation, data transfer and platform communications and control
Earth observation MW frequencies
Service Sensing mode Frequency (GHz) Bandwidth (MHz) Polarisation Comments
MWTS-3 passive 23.8 GHz 270 MHz H or V Water vapour channel
MWTS-3 passive 31.4 GHz 180 MHz H or V Window channel
MWTS-3 passive 50 GHz - 57.455 GHz 0 MHz H or V Oxygen band, 13 channels
MWHS-2 passive 89 GHz 1500 MHz V Window channel
MWHS-2 passive 113 GHz - 124.75 GHz 0 MHz H Oxygen band, 8 channels
MWHS-2 passive 150 GHz 1500 MHz V Weak water vapour channel
MWHS-2 passive 175 GHz - 191.31 GHz 0 MHz H Water vapour band, 5 channels
WindRad active 5 GHz - 5.3 GHz 0 MHz - C-band scatterometer
WindRad active 13 GHz - 13.265 GHz 0 MHz - Ku-band scatterometer