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Insat 4B



Insat 4B is an Indian (ISRO) geostationary communications craft that was launched by an Ariane 5-ECA rocket from Kourou at 22:03 UT on 11 March 2007. The 3.1 tonne, 5.9 kW craft carries 12 Ku-band and 12 C-band transponders to provide direct-to-home voice and video communications throughout India after parking over 93.5° E longitude. It attained geostationary altitude on 16 March, and is being slowly drifted to its final longitude.

Alternate Names

  • 30793
  • Insat4B

Facts in Brief

Launch Date: 2007-03-11
Launch Vehicle: Ariane 5 ECA
Launch Site: Kourou, French Guiana
Mass: 1335 kg

Funding Agency

  • Indian Space Research Organization (India)


  • Communications

Additional Information

Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office

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