Summary
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
- Dish Network
- EchoStar