Open main menu

IRS-1D is the seventh satellite in Indian Remote Sensing satellite series of Earth Observation satellites, built, launched and maintained by Indian Space Research Organisation. The satellite has similar capabilities as that of ISRO's IRS-1C satellite with some improvements added for better imagery particularly in thematic mapping.[1]

Mission typeEarth Observation
Remote Sensing
COSPAR ID1997-057A
SATCAT no.24971Edit this on Wikidata
Mission duration12 years
Spacecraft properties
ManufacturerIndian Space Research Organisation
Launch mass1,250 kilograms (2,760 lb)
Dimensions1.93 x 1.7 x 1.65 metres
Power809 watts
Start of mission
Launch dateSeptember 29, 1997, 04:47 (1997-09-29UTC04:47Z) UTC
Launch siteSriharikota FLP
Orbital parameters
Reference systemGeocentric
Inclination98.6 degrees
Period102.9 minutes


The satellite carried following instruments onboard:

  • Panchromatic camera with spatial resolution of 5.8 m.
  • Linear Imaging Self Scanner with spatial resolution of 23.5 m.
  • Wide Field Sensor (WIFS) with a ground resolution of 188 m.[2]

See alsoEdit


  1. ^ "IRS-1D". ISRO. Retrieved 2013-02-26.
  2. ^ "IRS-1D Completes Three Years in Orbit". SpaceDaily - Your portal to Space. 2000-10-29. Retrieved 2013-02-26.