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Rocsat 2

Also called Formosat 2


Designation 28254 / 04018A
Launch date 20 May 2004
Country of origin Taiwan
Mission Remote sensing
Perigee/Apogee 850 km sun-synchronous
Inclination 99°
Period 100 min
Launch vehicle Taurus XL #7

In Sep 1999 China pressured Germany which revoked the export licences (China suspects the satellite to serve military purposes). The contract went to Astrium.

End of life

Out of service June 2016
Cause Failure of a reaction wheel

External resources

sat-index articles

Technical data


Prime contractor Astrium
Platform Leostar 500XO
Mass at launch 764 kg
Mass in orbit  
Solar array  
DC power  
Design lifetime 5 years

The remote sensing payload has a 0.60 m telescope providing 2 m resolution black and white and 8 m resolution color. Will also carry a payload to study electrical phenomena (lightning sprites) in the upper atmosphere. It is the first all-silicon carbide instrument.

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