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EchoStar I is a communications satellite operated by EchoStar. Launched in 1995, it was operated in geostationary orbit at a longitude of 77 degrees west for 12 or 15 years. The company has approved the transfer of the 77 degree west orbital position to QuetzSat as of September 22, 2010.
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| Mission type | Communications |
|---|---|
| Operator | EchoStar |
| COSPAR ID | 1995-073A |
| SATCAT no. | 23754 |
| Mission duration | 12 years |
| Spacecraft properties | |
| Bus | AS-7000 |
| Manufacturer | Lockheed Martin Astro Space |
| Launch mass | 3,287 kilograms (7,247 lb) |
| Dimensions | 4.08 × 2.22 × 2.54 m (13.4 × 7.3 × 8.3 ft) |
| Power | 5 kW |
| Start of mission | |
| Launch date | December 28, 1995, 11:50 UTC |
| Rocket | Long March 2E EPKM |
| Launch site | Xichang LC-2 |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geostationary |
| Longitude | 77° West |
| Semi-major axis | 42,164.0 kilometers (26,199.5 mi) |
| Perigee altitude | 35,780.7 kilometers (22,233.1 mi) |
| Apogee altitude | 35,806.7 kilometers (22,249.3 mi) |
| Inclination | 0.7 degrees |
| Period | 1,436.1 minutes |
| Epoch | May 14, 2017 |
| Transponders | |
| Band | 16 Ku band |
| Coverage area | Contiguous United States |
| EIRP | 53 dBW |
Satellite
The launch of EchoStar made use of a Long March rocket flying from Xichang Satellite Launch Center in Sichuan province of the People's Republic of China. The launch took place at 11:50 UTC on December 28, 1995, with the spacecraft entering a geosynchronous transfer orbit. The spacecraft carried 16 Ku band transponders to enable direct broadcast communications and television channels through 0.5 meter dishes on the ground in the American continents.[1][2]
Specifications
- Launch mass: 3,287 kilograms (7,247 lb)
- Power source: 2 deployable solar arrays, batteries
- Stabilization: 3-axis
- Propulsion: 2 × LEROS-1B
- Telemetry in the C band: 4.1986 & 4.1996 GHz
- Command: 5.926 & 6.423 GHz
See also
- 1995 in spaceflight
References
- Krebs, Gunter. "EchoSatr 1, 2". Gunter's Space Page. Retrieved May 14, 2017.
- TSE. "EchoStar 1". Retrieved May 14, 2017.
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