Spacecraft nº:

Indian spacecraft nº: 60

Also called: Insat-4G

Launch data:

Designation 37605 / 11022A
Launch date 20 May 2011 - 20:38 UT
Launch site Ko, ELA-3
Launch vehicle  Ariane-5ECA (V-202)
Mission Government: Communication/Navigation
Geostationary orbit:
Perigee / Apogee 35782 x 35796 km
Eccentricity 1.66E-04
Inclination 0.09 deg
Period 1436.23 min

Spacecraft data:

Prime manufactor ISRO
Platform ISRO I3K
Operator Indian Space Research Organization (ISRO)
Mass at launch  3093 kg
Dry Mass 1426 kg
Basic shape  cuboid
Dimension (m) 2.0 x 1.77 x 3.1m
Equipment 18 Ku-band transponders, 2 BSS transponders, GAGAN payload
Solar array 2 Solar array providing 6242 watts three 100 Ah Lithium Ion batteries
Stabilization  3-axis body stabilised in orbit using Earth Sensors, Sun Sensors, Momentum and Reaction Wheels, Magnetic Torquers and eight 10 Newton and eight 22 Newton bipropellant thrusters
Propulsion 440 Newton Liquid Apogee Motors (LAM) with mono Methyl Hydrazine (MMH) as fuel and Mixed oxides of Nitrogen (MON-3) as oxidizer for orbit raising.
Antennas Two indigenously developed 2.2 m diameter transmit/receive polarisation sensitive dual grid shaped beam deployable reflectors with offset-fed feeds illumination for Ku-band; 0.6 m C-band and 0.8x0.8 sq m L-band helix antenna for GAGAN
DC power  6242 W
Design lifetime  12 yrs - still active


 Sept 2011  55° E 


Mission details:

Ref.: #7(JR642), #14, #120, #126, #226, #228 - update: 22.12.13