BackForwardInstrument:  PAN (THEOS-2) 

Instrument details
Acronym PAN (THEOS-2)
Full name New Astrosat Optical Modular Imager (PAN)
Purpose Very-high resolution land observation, disasters monitoring
Short description One panchromatic channel (450-740 nm), supporting MS
Background Consolidated technology
Scanning Technique Pushbroom. Swath: 10.3 km addressable within a Field-of-Regard of 90 km
Resolution 0.5 m
Coverage / Cycle Global coverage in 26 days
Mass Power Data Rate


Providing Agency GISTDA
Instrument Maturity Flown on an R&D satellite
Utilization Period: ≥2022 to ≥2032
Last update: 2021-03-06
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 No WIGOS subcomponents have been defined.
Mission objectives
Primary mission objectives
  • Fire fractional cover
Secondary mission objectives
  • Glacier cover
  • Sea-ice cover
  • Snow cover
Opportunity objectives
  • Cloud cover
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Tentative 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
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
Sea-ice cover5 - marginalCloud sensitive.. Daylight only.Panchromatic channel
Snow cover5 - marginalCloud sensitive.. Infrequent coverage.. Daylight only.Panchromatic channel