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 Mission: Galaxy 19

 

Sea Launch successfully delivered Intelsat's Galaxy 19 satellite to orbit on September 24, 2008, in a flawless mission. The first signal from the satellite was acquired at the Hartebeesthoek ground station immediately after spacecraft separation. Weighing 4,690 kg (10,340 lbs), this high-power C-band and Ku-band satellite will provide communications services to customers throughout the United States, Canada, Mexico and the Caribbean islands.

INTELSAT, Space Systems LORAL logos


galaxy 19 Bulls eye chart

 Mission Highlights

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Launch Coverage

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Sea Launch carried live coverage of the Galaxy 19 mission via satellite, as well as streaming video on this website. Click here to see the archived webcast. Please click here to see our archived video of previous missions.


Payload - Galaxy 19

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Built by Space Systems/Loral (SS/L), the 1300-series hybrid spacecraft, with a separated mass of 4,690 kg (10,340 lbs), carries a total of 52 physical transponders. The Galaxy 19 satellite will provide Intelsat customers valuable 50-state coverage, in addition to reaching the Caribbean, Canada and Mexico. An industry leader in power, performance and reliability, SS/L's 1300 model is a space-proven platform for a wide range of satellite services with an excellent record of reliable operation. Its high efficiency solar arrays and lightweight batteries are designed to provide uninterrupted electrical power. Galaxy 19 will be located at 97 degrees West Longitude, replacing G-25.

Intelsat is the leading provider of fixed satellite services (FSS) worldwide, delivering information and entertainment for many of the world’s leading media and network companies, multinational corporations, Internet service providers and governmental agencies. Intelsat’s satellite, teleport and fiber infrastructure is unmatched in the industry, setting the standard for advanced transmissions of video, data and voice services. With the globalization of content, broadband, telecom, HD and IPTV fueling next-generation growth, the ever-expanding universe of satellite communications is the cornerstone of today's Intelsat. Real-time, advanced communications with people anywhere in the world is closer, by far.

Space Systems/Loral (SS/L) is a subsidiary of Loral Space & Communications. Based in Palo Alto, California, the company designs and builds satellites and spacecraft systems for commercial and government customers around the world. As the leading provider of high-power commercial satellites, SS/L works closely with satellite operators to deliver spacecraft for a broad range of services including direct-to-home television, digital audio radio, broadband Internet and digital multimedia broadcasting.


 Mission Profile

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From its equatorial launch site at 154 degrees West Longitude, a Zenit-3SL launch vehicle lifted the Galaxy 19 spacecraft to geosynchronous transfer orbit, on its way to a final orbital location at 97 degrees West Longitude. The first stage of the vehicle separated two-and-a-half minutes after liftoff and the protective payload fairing jettisoned 75 seconds later. After operating for six minutes, the second stage separated from the Block DM upper stage. The Block DM upper stage operated for eight-and-a-half minutes. Following a 33-minute coast period, the Block DM burned a second time for three minutes. After the second burn, and another 10-minute coast, the spacecraft separated from the upper stage over the west coast of Africa. The Hartebeesthoek ground station near Johannesburg, South Africa, acquired the first signals from Galaxy 19 soon after spacecraft separation. All systems performed flawlessly throughout the mission.


 Launch Timeline

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Time Event
L= 0:00:00 Liftoff
L+ 0:02:30 Stage 1 Separation
L+ 0:03:45 Payload Fairing Jettison
L+ 0:08:31 Stage 2 Separation
L+ 0:08:41 Block DM 1st Burn Ignition
L+ 0:50:03 Block DM 2nd Burn Ignition
L+ 1:03:00 Spacecraft Separation
L+ 1:08:00 Spacecraft Acquisition (approximate time)

Flight Profile


ground track


orbital phases


 Mission Album

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