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India’s heaviest communication satellite GSAT-11 successfully Launched

ISRO
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Indian Space Research Organisation’s (ISRO) heaviest and most-advanced high throughput communication satellite GSAT-11 was successfully launched from the Spaceport in French Guiana during the early hours today.

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The launch vehicle Ariane 5 VA-246 lifted off from Kourou Launch Base, French Guiana at 02:07 am (IST) carrying India’s GSAT-11 and South Korea’s GEO-KOMPSAT-2A satellites, as scheduled. Ariane 5 is one of three launch vehicles operated by Arianespace along with Soyuz and Vega.

After a 30-min flight, GSAT-11 separated from the Ariane 5 upper stage in an elliptical Geosynchronous Transfer Orbit.  The achieved orbit was very close to the intended one.

The 5854-kg GSAT-11 will provide high data rate connectivity to users of Indian mainland and islands through 32 user beams in Ku-band and 8 hub beams in Ka-band.

The Bharat Net Project aims to enhance the public welfare schemes like e-banking, e-health, e-governance among others.

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Spacecraft specifications

  • Lift off mass: 5854 kg
  • Orbital Location: 74° E
  • Spacecraft power: 13.6 watt
  • Payload: 32 user beams (Ku-band) & 8 Hub beams (Ka-band)
  • Throughput data rate: 16 Gigabits/sec.
  • Mission life: 15 years

Post-separation, ISRO’s Master Control Facility at Hassan in Karnataka took over the command and control of GSAT-11 and found its health parameters normal.

The scientists will undertake phase-wise orbit-raising manoeuvres in the days ahead to place the satellite in the Geostationary Orbit (36,000 km above the equator) using its on-board propulsion systems. GSAT-11 will be positioned at 7° east longitude in the geostationary orbit.

Subsequently, the two solar arrays and four antenna reflectors of GSAT-11 will be deployed in orbit.  The satellite will be operational after the successful completion of all in-orbit tests.

In the last 21 days, ISRO successfully completed three satellite and two launch vehicle missions.

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