BackInstrument:  NEONSAT Imager 

Instrument details
Acronym NEONSAT Imager
Full name NEONSAT Imager
Purpose To take high resolution images of Earth's surface in black and white and colour
Short description
  • An electro-optical camera capable of roughly 1m black-and-white resolution and 4m colour resolution.
Background
  • New development using low cost components
Scanning Technique

Pushbroom viewing about nadir.

Resolution 1m B&W 4m Colour
Coverage / Cycle Once the constellation of 10 satellites is completed, the satellites are expected to photograph the Korean Peninsula at least three times a day and revisit the same location within 24 hours.
Mass 100 kg Power Data Rate

 

Providing Agency KAIST
Instrument Maturity Flown on an R&D satellite
Utilization Period: 2024 to 2027
Last update: 2026-09-21
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
  • Water level
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 channels
Photosynthetically Active Radiation (PAR)4 - fairCloud sensitive.. Infrequent coverage.VIS channels, range undersampled
Sea-ice concentration5 - marginalCloud sensitive.. Daylight only.VIS channel(s)
Snow cover5 - marginalCloud sensitive.. Infrequent coverage.. Daylight only.VIS channel(s)