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Hélios 1A


Designation 23605 / 95033A
Launch date 7 Jul 1995
Country of origin France
Mission Military: reconnaissance
Perigee/Apogee 673/676 km sun-synchronous
Inclination 98.1°
Period 98.2 min
Launch vehicle Ariane V75

Hélios 1A carries an eavesdropping payload called Euracom, built by Dassault Electronique.

External resources

sat-index articles

Technical data


Prime contractor Matra Marconi Space (under control of CNES)
Platform Spot Mk 2
Mass at launch 2537 kg
Mass in orbit  
Stabilization 3-axis
DC power 2200 W
Design lifetime 5 years

2 tape recorders, only optical observation

The Hélios system downlinks in S-band at 2206.53 MHz and in X-band at 8253.0 MHz

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