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Insat 4CR


Designation 32050 / 07037A
Launch date 2 Sep 2007
Country of origin India
Mission Telecommunications
Geostationary orbit 74°E
Launch vehicle GSLV #5

To replace Insat 4C destroyed in a launch failure in Jul 2006.


Begin End Position
L: Sep 2007 Jan 2017 74°E
Feb 2017 Sep 2018 47.9°E
Sep 2018 Nov 2020 47.9°E inclined

End of life

Out of service Nov 2020
Cause moved to junk orbit

sat-index articles

Technical data

Lyngsat transponder loading


Prime contractor ISRO/ISAC
Platform INSAT4
Mass at launch 2140 kg
Dry mass 950 kg
Solar array  
Stabilization 3-axis
DC power BOL: 2870 W
Design lifetime 10 years


Main transponders 12
Backup transponders  
Power 140 W (TWTA)
Bandwidth 36 MHz
EIRP max 51.5 dBW
G/T max  
Polarization linear

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