Insat 4G

Also called Gsat 8

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General

Designation	37605 / 11022A
Launch date	20 May 2011
Country of origin	India
Mission	Telecommunications
Geostationary orbit	55°E
Launch vehicle	Ariane VA202

Tested at 47°E. Went inclined in Jun 2024.

The total cost of the project is INR6.1 billion ($133.2 million) with a foreign exchange component of INR3.8 billion. Of this amount, INR3 billion will be for the satellite, INR2.5 billion for the launch and INR0.6 billion for insurance.

After launch, the global cost was given as $149 million.

Carries an auxiliary payload: a global positioning system called GAGAN (GPS Aided Geo Augmented Navigation).

Technical data

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Lyngsat transponder loading

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Specifications

Prime contractor	ISRO
Platform	I-3K
Mass at launch	3090 kg
Dry mass	1425 kg
Dimension	4.1 x 2.3 x 3.4 m
Solar array	37.4 m span
Stabilization	3-axis
DC power	EOL: 6.2 kW
Design lifetime	12 years

Has 2 Ku-band antennas.

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Ku-band

Main transponders	18
Backup transponders
Power
Bandwidth
Coverage	India mainland
EIRP max
G/T max
Polarization

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Ku-band - BSS

Main transponders	2
Backup transponders
Power
Bandwidth
Coverage	India mainland
EIRP max
G/T max
Polarization

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