|Country of origin||Soviet Union
|Design life||3 years|
|Launch mass||2,110 kilograms (4,650 lb)|
|First launch||Gorizont No.11L
19 December 1978
|Last launch||Gorizont No.45L
6 June 2000
Gorizont, (Russian: Горизонт, Horizon), GRAU index 11F662, is a series of 35 Russian, previously Soviet, geosynchronous communication satellites launched between 1978 and 2000. The programme was started in order to develop a satellite system to relay coverage of the 1980 Olympic Games from Moscow. The first four satellites were originally launched for this sole purpose. Following this, the Gorizont system was integrated into the YeSSS Unified Satellite Communication System, and used to relay both civilian and military communications. From 1988 onwards, the satellites were also used in support of the Okean programme.
The series was replaced by the Ekspress series.
- Wade, Mark. "Gorizont". Encyclopedia Astronautica. Retrieved 2008-06-29.
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