EchoStar XI, also known as EchoStar 11, is an American geostationary communications satellite which is operated by EchoStar on behalf of Dish Network. It is positioned in Geostationary orbit at a longitude of 110° West, from where it is used to provide direct broadcasting services to the United States.[1]
Mission type | Communication |
---|---|
Operator | EchoStar |
COSPAR ID | 2008-035A |
SATCAT no. | 33207 |
Mission duration | 15 years (planned) |
Spacecraft properties | |
Bus | LS-1300 |
Manufacturer | SSL |
Launch mass | 5,511 kilograms (12,150 lb) |
Dry mass | 2,479 kilograms (5,465 lb) |
Start of mission | |
Launch date | July 16, 2008, 05:20 | UTC
Rocket | Zenit-3SL |
Launch site | Ocean Odyssey |
Contractor | Sea Launch |
Orbital parameters | |
Reference system | Geocentric |
Regime | Geostationary |
Longitude | 110° West |
Inclination | 0 degrees |
Period | 1,437.0 minutes |
Transponders | |
Band | 29 Ku band |
Coverage area | Contiguous United States |
EchoStar XI was built by SSL, and is based on the LS-1300 satellite bus.[2] It is equipped with 29 Ku band transponders, and at launch it had a mass of 5,511 kilograms (12,150 lb), with an expected operational lifespan of 16 years.[3] The satellite was launched on 16 July 2008 using a Sea Launch Zenit-3SL carrier rocket flying from the Ocean Odyssey launch platform in the equatorial Pacific Ocean about 1,400 nautical miles (2,600 km; 1,600 mi) south of Hawaii.[4]
See also
editReferences
edit- ^ "ECHOSTAR 11". n2yo.com. Retrieved November 28, 2022.
- ^ "Space Systems/Loral Delivers EchoStar XI Satellite to Launch Base". SatellliteGuys.us. May 29, 2008. Retrieved November 28, 2022.
- ^ SatBeams. "EchoStar XI (EchoStar 11)". Retrieved 2017-11-28.
- ^ Ray, Justin (July 16, 2008). "Sea Launch boosts relay satellite for DISH Network". Spaceflight Now. Retrieved November 28, 2022.
External links
edit