BackForward Satellite Programme: YunYao Aerospace Constellation 

Programme details
Programme description
  • Constellation of satellites for radio occultation sounding and GNSS-R capability
  • Commercial programme
  • Satellites in 12 sun synchronous orbits and 6 drifting orbits
  • Plan is to have 90 satellites in these orbits
Data circulation
  • Data access being formulated
Agencies CASC
Programme lifetime 2024 - 2030
Associated satellites and instruments

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