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Dong Fang Hong 45

Also called Feng Yun 2A or Feng Yun 2-1R or FY 2-02


Designation 24834 / 97029A
Launch date 10 Jun 1997
Country of origin China
Mission Meteorology
Geostationary orbit 105°E
Launch vehicle Long March 3

First Chinese GEO meteorology satellite. The 1R denomination stands for the replacement of the original satellite destroyed before even being installed on the Long March and launched, in 1994.

The satellite is equipped with a scanning radiometer, a cloud coverage information system and a data collection and transmission system.

End of life

Out of service April 1998
Cause failure of the S-band antenna mechanism

External resources


sat-index articles

Technical data


Prime contractor Shanghai Aerospace Technology Research Institute
Mass at launch 1380 kg
Mass in orbit  
Dimension cylinder: 2.1 m x 1.6 m
Solar array  
Stabilization spin-stabilized (100 rpm)
DC power  
Design lifetime 3 years

The satellite is said to be a copy of GMS 5

VISSR (Visible and IR Spin Scan Radiometer)

Wavebands 0.55-1.05 µm (visible)
6.2-7.6 µm (water vapour)
10.5-12.5 µm (IR)
Resolution visible: 1.25 km
IR& WV: 5 km
Image repeat frequency 1 hour

Downlink: 1687.5 MHz linear (PCM/BPSK, 660 kbps)

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