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 edit
References 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
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