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India successfully launches 40th communication satellite

India’s latest communication satellite, GSAT-31 was successfully launched from the Spaceport in French Guiana during the early hours today.

The launch vehicle Ariane 5 VA-247 lifted off from Kourou Launch Base, French Guiana at 2:31 am (IST) carrying India’s GSAT-31 and Saudi Geostationary Satellite 1/Hellas Sat 4 satellites, as scheduled.

After a 42-min flight, GSAT-31 separated from the Ariane 5 upper stage in an elliptical Geosynchronous Transfer Orbit with a perigee (nearest point to Earth) of 250 km and an apogee (farthest point to Earth) of 35,850 km, inclined at an angle of 3.0 degree to the equator.

With a lift-off mass of 2536 kg, GSAT-31 will augment the Ku-band transponder capacity in Geostationary Orbit. The satellite will provide continuity to operational services on some of the in-orbit satellites. GSAT-31 derives its heritage from ISRO’s earlier INSAT/GSAT satellite series.

“GSAT-31 has a unique configuration of providing flexible frequency segments and flexible coverage. The satellite will provide communication services to Indian mainland and islands” ISRO Chairman Dr K Sivan said.

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