IRS-1 (Indian Remote Sensing Satellite), India
 



IRS-1


IRS-1 is India's dedicated Earth resources satellite system operated by ISRO and the National Remote Sensing Agency (NRSA). The primary objective of the IRS missions is to provide India's National Natural Resources Management System (NNRMS) with remote sensing data.


IRS-1C Orbit

Type Sun-Synchronous
Altitude 817 km
Inclination 98.69 deg
Period 101 min
Repeat Cycle 24 days

Sensors

  • LISS (Linear Imaging Self Scanning Sensor): Multispectral 4-channel sensors.
  • PAN: Single channel (panchromatic) imager producing better than 10 m ground resolution.
  • WIFS: Wide Field Sensor



IRS-1C LISS and PAN Sensor Characteristics

Sensor Band Wavelength (µm) Resolution (m) Swath Width (km)
LISS 1 0.52 - 0.59 (Green) 23.5 142
LISS 2 0.62 - 0.68 (Red) 23.5 142
LISS 3 0.77 - 0.86 (Near IR) 23.5 142
LISS 4 1.55 - 1.75 (SWIR) 70 142
PAN 0.5 - 0.90 <10 70.5


WiFS

bands Wavelength (µm) Resolution (m) Swath Width (km)
Red 0.62-0.68189774
Near IR0.77-0.86189774






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Copyright CRISP, 2001