June 29, 2007

Payload: DIRECTV 10, Boeing 702 platform

Separated Mass: Approx. 5,893 kg (12,992 lbs)

Launch Vehicle: Proton M/Breeze M

Weight at Liftoff: 691,272 kg (1.5 million lbs),including payload

Height: 56.2 m (184 ft)

Launch Date: Saturday, July 7, 2007

Launch Window Opens: 7:16 a.m. Baikonur; 1:16 GMT; 9:16 p.m. Friday, July 6 EDT; 6:16 p.m. Friday, July 6 PDT

Launch Site: Baikonur Cosmodrome, Kazakhstan; Launch Pad 39

End User: DIRECTV, Inc., leading U.S. direct-to-home entertainment provider, El Segundo, Calif.

Manufacturer: The Boeing Co., El Segundo, Calif.

Launch Vehicle
Manufacturer: Khrunichev State Research and Production Space Center, Moscow

Launch Services
Provider: International Launch Services (ILS), McLean, Va.

Satellite Use: National and local high-definition DIRECTV services

Satellite Statistics:

  • 3rd DIRECTV satellite launched by ILS on Proton
  • Orbital location: 102.8 degrees West longitude
  • 131 Ka-band transponders for national and spot beams
  • 48-meter gallium-arsenide solar array
  • Anticipated service life of 15 years

Mission Profile: The Proton launch vehicle will inject the DIRECTV 10 satellite into geosynchronous transfer orbit. The first three stages will use a standard ascent trajectory to place the Breeze M upper stage with the satellite into a suborbital trajectory, from which the Breeze M will place itself and the spacecraft into a circular parking orbit of 173 km (107.5 mi), inclined at 48 degrees. Then the Breeze M will ignite four more times to propel the satellite to its target geosynchronous transfer orbit of 35,786 km x 4,901 km (22,236 mi x 3,045 mi), inclined at 21.4 degrees. Following separation from the Breeze M, the spacecraft will perform a series of liquid apogee engine burns to raise perigee, lower inclination and circularize the orbit at the geostationary altitude of 36,000 km (22,300 mi).

Spacecraft Separation: Approximately 9 hours, 8 minutes, 40 seconds after liftoff

ILS Mission Statistics:

  • 2nd ILS mission this year
  • 326th Proton mission overall
  • 41st ILS mission on Proton

Live Broadcast
in North America: Intelsat Galaxy G26C,93 degrees West, Transponder 9, C-band analog NTSC, 36 MHz bandwidth, downlink 3880 MHz (vertical). Test signals and broadcast start at around 8:30 p.m. EDT. ILS will begin the broadcast/webcast about 8:55 p.m. EDT. DIRECTV customers can view the launch on channel 570.

More Information: Live webcast and general mission information will be available on the ILS web site at www.ilslaunch.com. Launch status updates are available on the ILS U.S. domestic Launch Hotline at 1-800-852-4980.


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For the latest news and information, or if you have a question, please email ILS at contactus@ilslaunch.com