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EchoStar 8

EchoStar 8 [SSL]

From its 110 West longitude orbital position, EchoStar VIII's spot-beams will allow a more efficient use of spectrum, enabling EchoStar to expand its DISH Network local-into-local satellite TV service and increase in-orbit backup capacity. The successful launch of EchoStar VIII brings EchoStar's fleet to eight satellites, including two satellites previously built by SS/L.

EchoStar VIII is designed to operate in several different payload modes using national and spot beams. The primary operating mode will provide 16 high-power national transponders at approximately 250 Watts RF and 25 spot beam transponders distributed among 16 beams.

The spacecraft is based on SS/L's space-proven SSL-1300 geostationary satellite platform. The SSL-1300, which has an excellent record of reliable operation, is designed to achieve a long useful life, in this case 15 years, excellent station-keeping, and orbital stability by using bipropellant propulsion and momentum-bias systems. Solar arrays and batteries provide uninterrupted electrical power.

Two of the 12 stationkeeping thrusters failed in September and October 2002. A workaround is used for station keeping but more fuel is being consumed.

Nation: USA
Type / Application: Communication (Direct Broadcasting)
Operator: Dish Network Corporation (EchoStar)
Contractors: Space Systems/Loral (SS/L)
Equipment: 32 Ku-band transponders
Configuration: SSL-1300
Propulsion: ?
Power: 2 deployable solar arrays, batteries
Lifetime: 15 years
Mass: 4660 kg
Orbit: GEO
Satellite COSPAR Date LS Launch Vehicle Remarks
EchoStar 8 2002-039A 22.08.2002 Ba LC-81/23 Proton-K Blok-DM3


Further EchoStar missions:

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