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Orbit :

Geostationary (83 deg East longitude co-located with INSAT-2E and INSAT-3B
Lift-off Mass :
 3086 kg
Dry mass :
 1987 kg
Physical :
 2.0 x 1.77 x 2.8m cuboid,
15.16m with solar panels deployed
Propulsion and :
control

440 Newton Liquid Apogee Motor (LAM) with Mono Methyl Hydrazine (MMH) as fuel and Mixed Oxides of Nitrogen (MON-3) as oxidiser for orbit raising

3-axis body stabilished in orbit using Earth Sensors, Momentum and Reaction Wheels, Magnetic Torquers and eight 10 Newton and eight 22 Newton bipropellant thrusters

Power :
Solar array providing 5,500W and three 70 Ampere-Hour Nickel-Hydrogen Batteries
Antennas :

2.2 meter diameter transmit/receive, polarisation sensitive dual grid, shaped beam deployable reflector with offset-fed feed illumination for ku-band

2.0 meter diameter transmit/receive, polarisation sensitive dual grid, shaped beam deployable reflector designed for offset-fed feed illumination for C-band

Mission Life :

12 years
 

12 Ku-band 36 MHz bandwidth Transponders employing 140 W TWTAs to provide an EIRP of 52 dBW at Edge of Coverage (EOC) polygon with footprint covering Indian main land

12 C-band 36 MHz bandwidth Transponders employing 63 W TWTAs to provide an EIRP of 39 dBW at EOC with Expanded Coverage encompassing Indian geographical boundary, area beyond India in southeast and northwest regions.
   
         
 
 
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