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[[File:OptusC1.jpg|thumb|Artist impression of [[Optus fleet of satellites#Optus (and Defence) C1|Optus C1]], built on the SSL 1300 platform<ref>{{cite web |url=http://www.optus.com.au/aboutoptus/About+Optus/Network+Coverage/Satellite+Network |title= About Optus - Satellite Network | publisher=Optus}}</ref>|200px|right]] |
[[File:OptusC1.jpg|thumb|Artist impression of [[Optus fleet of satellites#Optus (and Defence) C1|Optus C1]], built on the SSL 1300 platform<ref>{{cite web |url=http://www.optus.com.au/aboutoptus/About+Optus/Network+Coverage/Satellite+Network |title= About Optus - Satellite Network | publisher=Optus}}</ref>|200px|right]] |
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Revision as of 16:03, 15 April 2015
Template:Displaytitle:SSL 1300
The SSL 1300, previously the LS-1300 and theFS-1300, is a satellite bus produced by Space Systems/Loral. Total broadcast power ranges from 5 to 25 kW, and the platform can accommodate from 12 to 150 transponders. The SSL 1300 is a modular platform and Loral no longer reports designators for sub-versions, such as: 1300E, 1300HL, 1300S, 1300X.[2]
First available in the late 1980s, the FS-1300 platform underwent revision multiple times over its design life, all the while remaining a popular communications platform.[3] The earliest models provided 5,000 RF watts of transmitter power, weighed 5,500 kg, and required a 4-meter diameter launch fairing. Newer models provide double that, approximately 10,000 RF watts of transmitter power, weigh 6,700 kg, and require a 5-meter diameter launch fairing.[4]
Deployed units
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Western Hemisphere
| Location | Satellite | Source | Operator | Type | Coverage | Launch date/rocket (GMT) | All locations | Remarks | As of |
|---|---|---|---|---|---|---|---|---|---|
| 129.0°W | Galaxy-27 | US | Intelsat | Television broadcasting & Satellite Internet Access | 25 September 1999, Ariane 44LP | Formerly known as IA-7 and Telstar-7 | 2008-11-20 | ||
| 123.0°W | Galaxy-18 | US | Intelsat | Television and radio broadcasting | North America | 21 May 2008, Zenit-3SL | Hybrid C/Ku band satellite | 2008-11-19 | |
| 121.0°W | Galaxy-23 | US | Intelsat | Direct Broadcasting | North America | 7 August 2003, Zenit-3SL | Hybrid C/Ka band/Ku band satellite; C-band payload referred to as Galaxy-23 | 2008-11-26 | |
| EchoStar-9 | US | Echostar/DISH Network | Direct Broadcasting | North America | 7 August 2003, Zenit-3SL | Hybrid C/Ka band/Ku band satellite; Ku/ka band payload referred to as EchoStar-9 | 2008-11-26 | ||
| 119.0°W | DirecTV-7S | US | DirecTV | Direct Broadcasting | 54 Ku band transponders[5] | 4 May 2004, Zenit-3SL | 8 active transponders at this time | 2008-11-26 | |
| 110.0°W | EchoStar-11 | US | Echostar/DISH Network | Direct Broadcasting | 17 July 2008, Zenit-3SL | 2008-11-19 | |||
| DirecTV-5 | US | DirecTV | Direct Broadcasting | 7 May 2002, Proton | 32 Ku band transponders | ||||
| 101.1°W | DirecTV-9S | US | DirecTV | Direct Broadcasting | 13 October 2006, Ariane 5-ECA | ||||
| 97.0°W | Galaxy-19 | US | Intelsat | Television and Radio Broadcasting | 24 C- and 28 Ku band transponders North America | 24 September 2008, Zenit-3SL | 2008-11-20 | ||
| 77.0°W | EchoStar-8 | US | Echostar/DISH Network | Direct Broadcasting | 21 August 2002, Proton | 110°W[6] | 2008-11-19 | ||
| 72.7°W | EchoStar-6 | US | Echostar/DISH Network | Direct Broadcasting | 14 July 2000, Atlas IIAS | 2008-11-19 | |||
Eastern Hemisphere | |||||||||
| Location | Satellite | Source | Operator | Type | Coverage | Launch date/rocket (GMT) | All locations | Remarks | As of |
| 68.5°E | Intelsat 7 | ESA | 16 September 1998, Ariane 44LP | ||||||
| 166.0°E | Intelsat 8 | US | Intelsat | Cable Head-End & Direct Broadcasting | C and Ku band transponders Asia-Pacific Australia |
4 November 1998, Proton-K | |||
In transit | |||||||||
| En route to | Satellite | Source | Operator | Type | Coverage | Launch date/rocket (GMT) | Previous locations | Remarks | As of |
| 166.0°E | Intelsat 19 | US | Intelsat | Cable Head-End & Direct Broadcasting | 24 C and 34 Ku band transponders Asia-Pacific Australia |
1 June 2012, Zenit-3SL | Replacing Intelsat 8 | 2012-6-1 | |
| 93.1°W | Galaxy-25 | US | 24 May 1997, Proton-K | formerly Telstar 5 | 2008-11-20 | ||||
Failures
The SSL 1300 had a series of failures in 2001. Since that time, electrical failures (Intelsat 7, PAS 6, Galaxy 27) and failure of the satellite's solar panels to properly deploy (Estrela do Sul 1, Telstar 14R, Intelsat 19) are recurring issues.
| Satellite | Operator | Detail | Failure Date |
|---|---|---|---|
| Echostar 5 | Echostar | Dual momentum wheel failures.[7] | 2001-07 and 2003–12 |
| Echostar 6 | Echostar | Partial thruster failure. | 2001 |
| Telstar 14 / Estrela do Sul 1 | Telesat | Solar panel deployment failure.[8] | 2004-01-11 |
| Telstar 14R / Estrela do Sul 2 | Telesat | Solar panel deployment failure.[8] | 2011-05-20 |
| GOES 9 | NOAA | Momentum wheel problems. | 1998-06-01 |
| PAS 6 | PanAmSat | Total power loss. | 2004-03-17 and 2004-04-01 |
| Intelsat 7 | Intelsat | Partial power loss. | 2001-09-06 |
| Galaxy 26 | Intelsat | Multiple system failures. Control processor failure. | 2001 and 2008-06-28 |
| Galaxy 27 | Intelsat | Electrical failure. | 2004-11-28. |
| DirecTV 6 | DirecTV | Solar flare damage. | 1997-04 |
| Intelsat 19 | Intelsat | Solar panel deployment failure.[9][10] | 2012-06-01 |
References
- ^ "About Optus - Satellite Network". Optus.
- ^ "1300 Series Satellite Platform". Space Systems/Loral.
- ^ "FS-1300". Encyclopedia Astronautica.
- ^ "Space Service Loral (SSL): LS-1300". Gunter's Space Page.
- ^ "Space Systems/Loral-Built DIRECTV 7S Satellite Successfully Launched". Space Systems/Loral.
- ^ "EKB: Echostar Satelites". Echostar Knowledge Base.
- ^ "Spacecraft Digest - Echostar 5". Analytical Graphics, Inc. (AGI).
- ^ a b de Selding, Peter B. (25 May 2011). "Balky Satellite Solar Panel Threatens Telesat's Growth Plans in S. America". Space News. Retrieved 2 June 2012.
- ^ de Selding, Peter B. (2 June 2012). "Intelsat 19 Satellite Fails To Deploy Solar Array". Space News. Retrieved 2 June 2012.
- ^ de Selding, Peter B. (7 June 2012). "Probe of IS-19 Solar Array Problem Focuses on Sea Launch Rocket". Space News. Retrieved 7 June 2012.