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Space


Yamal

RKK Energiya has also decided to enter the GEO communications satellite arena. With the Gazkom Joint Stock Company, RKK Energiya is developing the Yamal communications satellite with plans to deploy two vehicles, one at 75 degrees E and one at 19.5 degrees W. Yamal is the smallest of the proposed GEO spacecraft with a total mass of 1.3-1.4 metric tons, including a payload mass of up to 310 kg. The box-like spacecraft bus will carry two solar arrays capable of producing 2.4 kW at the end of the 10-year design life. A single primary dish antenna will support the nine C-band transponders. A combination of liquid and ion engines will be used for spacecraft attitude and orbit maintenance. Due to their compact size and low mass, Yamal spacecraft can be launched two at a time by a Proton booster. The first mission is due in 1997 (References 323, 361-362).



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Page last modified: 10-04-2016 19:08:17 ZULU