BackForward Satellite: FLEX 

Satellite details
Acronym FLEX
Full name FLuorescence EXplorer
WIGOS Station Identifier ---
Satellite Description
  • Single flight unit of the FLEX programme.
  • Main mission: global maps of vegetation fluorescence to improve understanding of how much carbon is stored in plants and their role in the carbon and water cycles.
  • Based on a very high-spectral resolution imaging spectrometer that allows the decoupling of the weak fluorescence signal from the reflected sunlight background.
Mass at launch Dry mass
Data access link no link provided
Data access information
  • TBD.
Orbit Sunsynchronous orbit Altitude 800 km
ECT 10:00 desc


Space agency ESA
Status Planned
Details on Status
(as available)
Launch Apr 2026 EOL ≥2029
Last update: 2023-11-06
Associated satellite programme and related satellites

Note: red tag: no longer operational , green tag: operational , blue tag : future

Satellite Payload

All known Instruments flying on FLEX

Acronym Full name
FLORIS FLuORescence Imaging Spectrometer
Show instrument status and calibration