Monday, 23 January 2012

IRS-1A

IRS-1A, the first of the series of indigenous state-of-art remote sensing satellites, was successfully launched into a polar sun-synchronous orbit on March 17, 1988 from the Soviet Cosmodrome at Baikonur. IRS-1A carries two cameras, LISS-I and LISS-II with resolutions of 73 metres and 36.25 metres respectively with a swath width of about 140 km during each pass over the country. 

Mission completed during July 1996 after serving for 8 years and 4 months. 




this satellite was launched on 17.03.1988





MissionOperational Remote Sensing
Weight975 kg
Onboard power600 Watts
CommunicationS-band, X-band and VHF(commanding only)
StabilizationThree axis body stabilized (zero momentum)
with 4 Reactions Wheels, Magnetic torquers
RCSMonopropellant Hydrazine based with sixteen
1 Newton thrusters
PayloadThree solid state Push Broom Cameras:
LISS-1(72.5 metre resolution),
LISS-2A and
LISS-2B (36.25 metre resolution)
Launch dateMarch 17, 1988
Launch siteBaikanur Cosmodrome Kazakhstan
Launch vehicleVostok
Orbit904 km Polar Sun-synchronous
Inclination99.08o
Repetivity22 days (307 orbits)
Local time10.30 a.m. (descending node)
Mission completed duringJuly 1996




This image is of IRS-1A satellite

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