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Echo 1

Also called Echo 1A because the first Echo had a launch failure


Designation 00049 / 60009A
Launch date 12 Aug 1960
Country of origin United States
Mission Telecommunications and geodesy
Perigee/Apogee 966/2157 km
Inclination 47.3°
Period 117.3 min
Launch vehicle Thor Delta #2
Mass at launch 61 kg

Plastic 30.5 m ball covered of mylar aluminumed that reflected radioelectric signals. Communications through it suffered from a 180 decibel loss in signal strength.

It enabled the first satellite telephone link and the broadcast of a TV program from California to Massachussets on 24 Feb 1962.

End of life

Decay 24 May 1968

External resources

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