Английская Википедия:EchoStar IV
Шаблон:Short description Шаблон:Infobox spaceflight
EchoStar IV is a communications satellite operated by EchoStar. Launched in 1998 it was operated in geostationary orbit at a longitude of 77 degrees west for 12 years.
Satellite
The launch of EchoStar IV made use of a Proton rocket flying from Site 81 at the Baikonur Cosmodrome, Kazakhstan. The launch took place at 23:45 UTC on May 7, 1998, with the spacecraft entering a geosynchronous transfer orbit. EchoStar IV carried 32 Ku band transponders to provide direct voice and video communications to small dishes in North America after parking over 119° W or 148° W longitude.[1]
Specifications
- Launch mass: Шаблон:Convert
- Power: 2 deployable solar arrays, batteries
- Stabilization: 3-axis
- Propulsion: LEROS-1C
- Longitude: 77° west
See also
References
Шаблон:Orbital launches in 1998 Шаблон:EchoStar satellites Шаблон:Dish Network
- Английская Википедия
- Spacecraft launched in 1998
- Communications satellites in geostationary orbit
- Satellites using the A2100 bus
- Spacecraft launched by Proton rockets
- Derelict satellites orbiting Earth
- EchoStar satellites
- Страницы, где используется шаблон "Навигационная таблица/Телепорт"
- Страницы с телепортом
- Википедия
- Статья из Википедии
- Статья из Английской Википедии
