BackForwardInstrument:  Jilin Imager 

Instrument details
Acronym Jilin Imager
Full name Jilin Imager
Purpose To record very high resolution imagery of the Earth's surface
Short description An imager and movie camera. Single visible channel 500-800 nm. Both daytime and night-time imagery. Also full colour mode.
Background New development
Scanning Technique Area array gaze and linear array push-broom imaging
Resolution 4.7 m
Coverage / Cycle Swath width 9.6 km.
Mass 11 kg Power Data Rate


Providing Agency CRESDA
Instrument Maturity Flown on operational programme
Utilization Period: 2019 to 2030
Last update: 2022-12-10
Detailed characteristics
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 4
  • High-resolution optical observation constellation (commercial)
  • High-resolution optical observation constellation (commercial)
Mission objectives
Primary mission objectives
  • Land cover
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.Panchromatic channel
Fire fractional cover2 - very highCloud sensitive.. Infrequent coverage.. Daylight only.Panchromatic channel with high resolution, for fire boundary detection
Glacier cover5 - marginalCloud sensitive.. Long time for mapping.. Daylight only.Panchromatic channel with high resolution, for glacier boundary detection
Snow cover5 - marginalCloud sensitive.. Infrequent coverage.. Daylight only.Panchromatic channel
Sea-ice cover5 - marginalCloud sensitive.. Daylight only.Panchromatic channel