BackForward Satellite: FY-4B 

Satellite details
Acronym FY-4B
Full name Feng-Yun - 4B
Satellite Description
  • 2nd flight unit of the FY-4 programme.
  • Mission: operational meteorology.
  • Substantial contribution to space weather.
  • See https://fy4.nsmc.org.cn/nsmc/en/theme/FY4B.html 
Mass at launch 5400 kg Dry mass
Power 3200 W
Data access link http://data.nsmc.org.cn/portalsite/default.aspx
Data access information
  • Near-real time availability of full resolution data by HRIT and CMACast.
  • Availability of selected information by LRIT.
  • Meteorological warnings (WAIB) sharing the LRIT link.
  • Availability of DCP messages by land lines.
Orbit Geostationary orbit Altitude 35786 km
Longitude 133° E

 

Space agency CMANRSCC
Status Commissioning
Details on Status
(as available)
Launch 02 Jun 2021 EOL ≥2028
Last update: 2022-09-14
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-4B

Acronym Full name
DCS Data Collection Service
GIIRS Geostationary Interferometric Infrared Sounder
AGRI Advanced Geostationary Radiation Imager
SEP/HEPS Space Environment Package / High Energy Particles Sensor
SEP-fields Space Environment Package - fields
GHI Geostationary High-speed Imager
SEP/MEPS Space Environment Package / Medium Energy Particles Sensor
SEP/LEPS Space Environment Package / Low Energy Particles Sensor
FGM Fluxgate Magnetometer
Show instrument status and calibration
Satellite Field of View

Estimate of the satellite's footprint, assuming a zenith angle of 75 °
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