IRS 1D

Updated on Dec 19, 2023

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Operator ISRO Mission duration 12 years Inclination 98.6° Period 1.7 hours Launch date 29 September 1997		COSPAR ID 1997-057A Manufacturer ISRO Inclination 98.6° Launch mass 1,250 kg Bus I-2K

Mission type Earth ObservationRemote Sensing Dimensions 1.93 x 1.7 x 1.65 metres Similar IRS‑1C, IRS‑1A, Resourcesat‑1, Oceansat‑1, Cartosat‑1

IRS-1D is 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.

Payloads

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.

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