BackForward Satellite Programme: Solar-TErrestrial RElations Observatory 

Programme details
Programme description
  • Dual-satellite programme for solar process study
  • NASA programme developed and operated in connection with a wide international scientific community.
  • The platforms are 3-axes stabilised.
  • The design life time of the satellites is 2 years.
  • The satellites are placed in the Earth’s orbit around the Sun, viewing the Sun from changing positions so as to implement stereoscopy.
  • See detailed description at
Data circulation
  • Real-time data downlinked to a network of stations coordinated by NASA/GSFC.
  • Data service provided by NASA/GSFC.
Agencies NASA
Programme lifetime 2006 - 2024
Associated satellites and instruments

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