BackForwardInstrument:  RSI (FORMOSAT-5) 

Instrument details
Acronym RSI (FORMOSAT-5)
Full name Remote Sensing Instrument
Purpose High-resolution land observation for vegetation and disasters monitoring
Short description 4 channels in the VNIR range, and one panchromatic [see detailed characteristics below]
Background Improved after the RSI flown on FORMOSAT-2 (higher resolution)
Scanning Technique Pushbroom. Swath 24 km, addressable along-track and across-track within a Field-of-Regard of 500 km
Resolution PAN: 2 m; all other channels 4 m at s.s.p.
Coverage / Cycle Near-global in 3 months; by strategic pointing every other day
Mass Power Data Rate

 

Providing Agency NSPO
Instrument Maturity Flown on an R&D satellite
Utilization Period: 2017 to 2025
Last update: 2021-06-17
Detailed characteristics
Central wavelength Spectral interval SNR @ specified albedo
0.485 μm 0.45 - 0.52 μm ……... @ ……. % albedo
0.560 μm 0.52 - 0.60 μm ……... @ ……. % albedo
0.660 μm 0.63 - 0.69 μm ……... @ ……. % albedo
0.830 μm 0.76 - 0.90 μm ……... @ ……. % albedo
PAN 0.45 - 0.90 μm ……... @ ……. % albedo
Satellites this instrument is flying on

Note: a red tag indicates satellites no longer operational, a green tag indicates operational satellites, a blue tag indicates future satellites

Instrument classification
  • Earth observation instrument
  • Passive optical radiometer or spectrometer
  • High resolution optical imager
WIGOS Subcomponents
  • Subcomponent 1
  • High-resolution multi-spectral VIS/IR imagers
  • High-resolution multi-spectral VIS/IR imager
Mission objectives
Primary mission objectives
  • Biomass
  • Fraction of Absorbed PAR (FAPAR)
  • Fraction of vegetated land
  • Land cover
  • Leaf Area Index (LAI)
  • Normalised Difference Vegetation Index (NDVI)
  • Vegetation type
Evaluation of Measurements