BackForwardInstrument:  MSI (Sentinel-2A) 

Instrument details
Acronym MSI (Sentinel-2A)
Full name Multi-Spectral Imager for Sentinel-2
Purpose High-resolution land observation, vegetation, territory management and hazards mitigation
Short description 13 channel in VIS/NIR/SWIR [see detailed characteristics below]
Background New development
Scanning Technique Pushbroom, swath 290 km nominally close to nadir, pointable off-track for emergencies
Resolution IFOV: 10 to 60 m, depending on channel (see table)
Coverage / Cycle Global coverage in 10 days, in daylight.  More frequent possible for emergencies
Mass 275 kg Power 266 W Data Rate 450 Mbps

 

Providing Agency ESA
Instrument Maturity Backed by strong heritage
Utilization Period: 2015 to 2033
Last update: 2021-06-15
Detailed characteristics
Central wavelength Bandwidth SNR @ specified input spectral radiance IFOV at s.s.p.
443 nm 20 nm 129 @ 129.11 W m-2 sr-1 µm-1 60 m
490 nm 65 nm 154 @ 128.00 W m-2 sr-1 µm-1 10 m
560 nm 35 nm 168 @ 128.00 W m-2 sr-1 µm-1 10 m
665 nm 30 nm 142 @ 108.00 W m-2 sr-1 µm-1 10 m
705 nm 15 nm 117 @ 74.60 W m-2 sr-1 µm-1 20 m
740 nm 15 nm 89 @ 68.23 W m-2 sr-1 µm-1 20 m
783 nm 20 nm 105 @ 66.70 W m-2 sr-1 µm-1 20 m
842 nm 115 nm 174 @ 103.00 W m-2 sr-1 µm-1 10 m
865 nm 20 nm 72 @ 52.39 W m-2 sr-1 µm-1 20 m
945 nm 20 nm 114 @ 8.77 W m-2 sr-1 µm-1 60 m
1375 nm 20 nm 50 @ 6.00 W m-2 sr-1 µm-1 60 m
1610 nm 90 nm 100 @ 4.00 W m-2 sr-1 µm-1 and 504 @ 32.00 W m-2 sr-1 µm-1 20 m
2190 nm 180 nm 100 @ 1.70 W m-2 sr-1 µm-1 and 475 @ 11.00 W m-2 sr-1 µm-1 20 m
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