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SpaceX successfully launches commercial satellite
By Tariq Malik
Published December 03, 2013
Space.com
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A SpaceX upgraded Falcon 9 rocket stands poised to launch the SES-8 communications satellite into orbt from Cape Canaveral Air Force Station in Florida during a Nov. 28, 2013 launch attempt, which was ultimately aborted due to a technical glitc (SpaceX)
An upgraded SpaceX Falcon 9 rocket launched the huge SES-8 communications satellite into orbit from a pad at the Cape Canaveral Air Force Station at 5:41 p.m. EST (2241 GMT). The mission marks SpaceX's first Florida launch of its upgraded Falcon 9 rocket, its first major communications satellite launch and its first flight to a high geostationary transfer orbit needed for commercial satellites.
Tuesday's launch was SpaceX's third attempt to launch the SES-8 spacecraft for satellite communications provider SES World Skies. SpaceX aborted the two earlier launch attempts last week, first on Nov. 25 and again on Nov. 28, due to technical glitches. [Mission Photos: SpaceX Falcon 9 Rocket Launching Landmark Satellite Flight
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'The entry of SpaceX into the commercial market is a game-changer.'
- SES chief technology officer Martin Halliwell
Sending the 6,918-lb. SES-8 satellite into its intended orbit, which ranges from 183 miles above Earth at its nearest point and 49,709 miles at its highest point, marks the company's entry into the commercial satellite market. The SES-8 satellite is a hybrid Ku-and Ka-band spacecraft built to provide high-definition telecommunications services to customers across the South Asia and Pacific region.
"The entry of SpaceX
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SpaceX has launched six Falcon 9 rocket missions since the booster's debut in 2010, but most of those were either test flights or missions for NASA to deliver cargo to the International Space Station using the company's unmanned Dragon spacecraft. SpaceX has a $1.6 billion contract to fly 12 cargo missions to the space station for NASA. Two of those delivery flights have already been launched.
The two-stage upgraded Falcon 9 rocket
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That mission successfully tested several major upgrades to the Falcon 9 rocket, including more powerful Merlin 1D rocket engines (also made by SpaceX), a triple redundant avionics system and enhancements made as part of the company's reusable rocket program. Unlike early Falcon 9 rockets, which arranged their nine first-stage engines in a three-by-three block, the Merlin 1D engines on the upgraded booster are placed in a circular "Octaweb" pattern for better performance, SpaceX officials have said.
The only glitch on the September test flight was the failure of the Falcon 9's second stage to restart in orbit, a capability it must perform to make Tuesday's launch a success.
SpaceX founder and CEO Elon Musk
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Musk founded SpaceX in 2002 with the goal of developing affordable and reliable rockets and spacecraft. SpaceX currently advertises standard Falcon 9 rocket launches for $56.7 million.