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Launch Date
29.08.1991
Improved features compared to its predecessor : gyro referencing for better orientation sensing,time tagged commanding (IRS-1A) facility for more flexilibility in camera operation and line count information for better data product generation.

Mission completed on December 20, 2003 after serving for 12 years and 4 months.

Mission Operational Remote Sensing
Weight 975 kg
Onboard power 600 Watts
Communication S-band, X-band and VHF (commanding only)
Stabilization Three axis body stabilized (zero momentum) with
4 Reactions Wheels, Magnetic torquers
RCS Monopropellant Hydrazine based with sixteen
1 Newton thrusters
Payload Three solid state Push Broom Cameras LlSS-1
(72.5 metre resolution), LlSS-2A and
LlSS-2B (36.25 metre resolution)
Launch date August 29, 1991
Launch site Baikanur Cosmodrome Kazakhstan
Launch vehicle Vostok
Orbit 904 km Polar Sun Synchronous
Inclination 99.08o
Repetivity 22 days
Local time 10.30 a.m. (descending node)
Mission Completed On December 20, 2003
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