BackForward Satellite Programme: Huan Jing 1 

Programme details
Programme description
  • "Huan Jing" means "Environment".
  • Series of 3 satellites for land observation, contributing to the Disaster Monitoring Constellation (DMC).
  • Chinese programme: NRSCC (National Remote Sensing Centre of China) responsible of development and operations.
  • The platforms are actively stabilised over 3 axes.
  • The design life time is 3 years.
  • The satellite exploits the sunsynchronous orbit of the DMC around 10:30.
  • Redundancy is implemented by co-flying with several other similar satellites in the DMC.  HJ-1A and HJ-1B have been co-launched, dephased by 180°.
  • See detailed description at
Data circulation
  • Data stored onboard and transmitted to receiving stations in China at Miyun (Beijing), Kashi and Hainan.
  • Data processing and analysis performed by CRESDA (China Center for Resource Satellite Data and Application).
Programme lifetime 2008 - 2020
Associated satellites and instruments

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