BackForwardInstrument:  Geoton-1 

Instrument details
Acronym Geoton-1
Full name Panchromatic and multispectral radiometer 1
Purpose Land and vegetation observation
Short description 3-channels in VIS/NIR (multispectral), 1 channel panchromatic [see detailed characteristics below]
Background Consolidated technology
Scanning Technique Pushbroom, 12000 pixel/line; swath 30 km addressable within an area of regard of 450 km
Resolution 2-3 m in multi-spectral mode, 1 m in panchromatic mode
Coverage / Cycle Global coverage in 80 days, in daylight; locally more frequent by strategic pointing
Mass 310 kg Power Data Rate 300 Mbps


Providing Agency Roscosmos
Instrument Maturity Flown on an R&D satellite
Utilization Period: 2006 to 2016
Last update: 2022-07-25
Detailed characteristics
Central wavelength Spectral interval SNR @ specified albedo
0.55 µm 0.5 - 0.6 µm …... @ ….. % albedo
0.65 µm 0.6 - 0.7 µm …... @ ….. % albedo
0.75 µm 0.7 - 0.8 µm …... @ ….. % albedo
Panchromatic 0.58 - 0.8 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
  • Fraction of Absorbed PAR (FAPAR)
Evaluation of Measurements

The following list indicates which measurements can typically be retrieved from this category of instrument. To see a full Gap Analysis by Variable, click on the respective variable.

Note: table can be sorted by clicking on the column headers
Note: * Primary mission objective.
VariableRelevance for measuring this variableOperational limitationsExplanation
Cloud cover5 - marginalInfrequent coverage.. Daylight only.VIS channel(s)
Earth surface albedo5 - marginalCloud sensitive.. Infrequent coverage.VIS channels
Fire fractional cover2 - very highCloud sensitive.. Daylight only.VIS channels with high resolution for boundary detection
Fraction of Absorbed PAR (FAPAR)*4 - fairCloud sensitive.. Infrequent coverage.VIS channels including Red at 700 nm
Glacier cover5 - marginalCloud sensitive.. Long time for mapping.. Daylight only.VIS and panchromatic channel with higher resolution, for glacier boundary detection
Photosynthetically Active Radiation (PAR)4 - fairCloud sensitive.. Infrequent coverage.VIS channels, range undersampled
Snow cover5 - marginalCloud sensitive.. Infrequent coverage.. Daylight only.VIS and panchromatic (higher resolution) channels
Sea-ice cover5 - marginalCloud sensitive.. Daylight only.VIS channel(s)