BackForward Satellite Programme: Satellite for Earth Resources 

Programme details
Programme description
  • Series of operational satellites, for high-resolution land observation.
  • Indian programme: ISRO responsible of development and operations.
  • The platforms are actively stabilised over 3 axes.
  • The design life time is 5 years.
  • The satellites exploit geosynchronous orbits around 10:30.
  • The replacement policy is based on launching satellites in sequence, roughly 6 months before the expected end-of-life of a satellite.
  • See detailed description at
Data circulation
  • Selected images are stored onboard and downlinked to stations of the ISRO network.
  • Real-time downlink to a network of appointed acquisition stations in X-band.
  • All data concentrated to the National Remote Sensing Center (NRSC) in Hyderabad for processing and distribution.
Agencies ISRO
Programme lifetime 2003 - 2031
Associated satellites and instruments

Note: red tag => no longer operational , green tag => operational , blue tag => planned