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Manufacturer NPO PM/Reshetnev
Country of origin Soviet Union
Operator RSCC
Applications Communications
Bus KAUR-3
Design life 3 years
Launch mass 2,110 kilograms (4,650 lb)
Regime Geostationary
Status Retired
Built 35
Launched 35
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.[1] Following this, the Gorizont system was integrated into the YeSSS Unified Satellite Communication System,[1] and used to relay both civilian and military communications. From 1988 onwards, the satellites were also used in support of the Okean programme.[1]

Gorizont satellites are based on the KAUR-3 satellite bus, which provides three-axis stabilisation, and liquid manoeuvring engines.[1]

The series was replaced by the Ekspress series.


  1. ^ a b c d Wade, Mark. "Gorizont". Encyclopedia Astronautica. Retrieved 2008-06-29. 

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