The Multispectral Imager (MSI) aboard the ESA (European Space Agency) Sentinel-2 series of satellites is a wide-swath, high-resolution, multi-spectral imaging sensor supporting Copernicus Land Monitoring studies. Its combination of spectral bands enables a wide range of uses, including the monitoring of vegetation, soil, and water cover and observing inland waterways and coastal areas.
Sentinel-2 MSI samples 13 spectral bands at different spatial resolutions: four bands at 10 meter resolution, six bands at 20 meter resolution, and three bands at 60 meter resolution.
Sentinel-2 MSI data have been combined with NASA/USGS Landsat 8 and Landsat 9 Operational Land Imager (OLI) data in the Harmonized Landsat Sentinel-2 (HLS) dataset.
| Sentinel-2A | Sentinel-2B | ||||
|---|---|---|---|---|---|
| Band Number | Central wavelength (nm) | Bandwidth (nm) | Central wavelength (nm) | Bandwidth (nm) | Spatial resolution (m) |
| 1 | 442.7 | 20 | 442.3 | 20 | 60 |
| 2 | 492.7 | 65 | 492.3 | 65 | 10 |
| 3 | 559.8 | 35 | 558.9 | 35 | 10 |
| 4 | 664.6 | 30 | 664.9 | 31 | 10 |
| 5 | 704.1 | 14 | 703.8 | 15 | 20 |
| 6 | 740.5 | 14 | 739.1 | 13 | 20 |
| 7 | 782.8 | 19 | 779.7 | 19 | 20 |
| 8 | 832.8 | 105 | 832.9 | 104 | 10 |
| 8a | 864.7 | 21 | 864.0 | 21 | 20 |
| 9 | 945.1 | 19 | 943.2 | 20 | 60 |
| 10 | 1373.5 | 29 | 1376.9 | 29 | 60 |
| 11 | 1613.7 | 90 | 1610.4 | 94 | 20 |
| 12 | 2202.4 | 174 | 2185.7 | 184 | 20 |