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Mission type Vehicle evaluation
Operator ESA
COSPAR ID 1979-104A
SATCAT no. 11645
Mission duration 8 orbits
Spacecraft properties
Launch mass 1,602 kilograms (3,532 lb)
Start of mission
Launch date December 24, 1979, 17:14:38 (1979-12-24UTC17:14:38Z) UTC
Rocket Ariane 1
Launch site Kourou ELA-1
End of mission
Last contact 28 December 1979 (1979-12-29)
Decay date 27 November 1989
Orbital parameters
Reference system Geocentric
Regime Geostationary transfer
Perigee 182 kilometres (113 mi)
Apogee 35,824 kilometres (22,260 mi)
Inclination 17.6 degrees
Period 631.45 minutes
Epoch 23 January 1980[1]

CAT-1 (also Technological Capsule 1)[2] was the first artificial Earth satellite launched by the European Space Agency on their own rocket, the Ariane 1. It was only intended to provide data on the launch characteristics of the new rocket and was only powered for 8 orbits.[3]


  1. ^ McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 30 September 2013. 
  2. ^ CAT-1, NSSDC, NASA
  3. ^ Ariane 1, Encyclopedia Astronautica

External links[edit]