FY-2G Satellite


  • 7th flight unit of the FY-2 series.
  • Mission: operational meteorology.
  • Significant contribution to space weather.
Orbit Geostationary orbit
Altitude 35786 km
Position 99.5°E (before 2015-06-01), 105°E (2015-06-01 to 2018-04-09), 99.2°E (after 2018-04-16)
Mass at launch 1380 kg
Dry mass 680 kg
Power 300 W
Launch 2014-12-31
End of service ≥2021


Acronym Full name
S-VISSR  Stretched Visible and Infrared Spin Scan Radiometer
SEM  Space Environment Monitor

Data Circulation

CDAS (Command and Data Acquisition Station) for real-time acquisition of the full information.

HRIT (High Rate Information Transmission) for near-real time broadcasting of S-VISSR full resolution data / images.

LRIT (Low Rate Information Transmission), replacing WEFAX for broadcasting of image frames and other data.

DCS (Data Collection Service) to relay messages from self-timed DCP (Data Collection Platform).

CMACast [not exclusively dedicated to FY-2 data] DVB retransmission service.


Instrument Datasets
VISSR L1 dataL2L3 product
SEM L1 dataL2L3 product



First color image by FY-2G


First image by FY-2G

Operational Parameters