Inmarsat-4 F3

Vehicle: Proton M/ Breeze M

The Satellite

  • Satellite Operator: Inmarsat
  • Satellite Manufacturer: EADS Astrium
  • Purpose: Mobile Broadband Services
  • Platform: Eurostar E3000 GM
  • Separated Mass: 5960 kg
  • Satellite Design Life: Into the 2020s


  • 3rd ILS launch of 2008
  • 46th Proton Launch for ILS
  • 9th Eurostar Satellite Launched on Proton

Latest News

ILS Proton Successfully Launches Inmarsat-4 F3 Satellite

Launch Resources

Final Details of the Launch and Separation

  • Liftoff occurred in Baikonur on August 19, at 04:43 a.m. local time (Aug. 18: 18:43 EDT, 22:43 GMT).
  • Nominal separation took place at 13:46 local time (Aug. 19: 03:36 EDT, 07:46 GMT).
  • Separation of the Inmarsat-4 F3 satellite occured approximately 9 hours, 03 minutes after liftoff.
  • Orbit Parameters: Predicted: 4271 km x 35786 km x 22.8 deg

Contact Us!

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