FY-2A Satellite


  • 1st flight unit of the FY-2 series.
  • Mission: operational meteorology.
  • Significant contribution to space weather.
Orbit Geostationary orbit
Altitude 35786 km
Position 105°E
Mass at launch 1200 kg
Dry mass 593 kg
Power 280 W
Launch 1997-06-01
End of service 1998-04-08


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 full resolution S-VISSR data.

WEFAX (Weather Facsimile) to broadcast a selection of S-VISSR image in analogue form.

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