GSAT-15 Orbital Journey and Satellite Details

The GSAT-15 satellite embarked on an orbital journey that began with its launch from the Satish Dhawan Space Centre in Sriharikota, India on November 5, 2015.

The GSAT-15 satellite is a high-power communication satellite that was designed to provide a wide range of services including television broadcasting, telecommunications, and weather forecasting.

Weighing around 3,143 kg, the GSAT-15 satellite is a significant addition to India's communication satellite fleet.

The GSAT-15 satellite is equipped with 85 communication transponders, which are capable of transmitting signals in the C-band and Ku-band frequency ranges.

GSAT-15 was launched successfully by the European Ariane 5 VA-227 launch Vehicle on November 11, 2015.

The launch took place in the early morning hours, with the Ariane 5 launch vehicle lifting off right on schedule at 3:04 am IST. The satellite was put into an elliptical Geosynchronous Transfer Orbit (GTO) with a perigee of 250 km and an apogee of 35,819 km, inclined at an angle of 3.9 degrees to the equator.

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The satellite separated from the Ariane 5 upper stage after a flight of 43 minutes and 24 seconds. ISRO's Master Control Facility (MCF) at Hassan in Karnataka took over the command and control of GSAT-15 immediately after its separation.

Here are the key details of the launch:

GSAT-15 was launched successfully by the European Ariane 5 VA-227 launch Vehicle in the early morning hours of November 11, 2015.

The Ariane 5 launch vehicle lifted off right on schedule at 0304 hrs (3:04 am) IST, after a smooth countdown lasting 11 hours and 30 minutes.

GSAT-15 separated from the Ariane 5 upper stage in an elliptical Geosynchronous Transfer Orbit (GTO) with a perigee of 250 km and an apogee of 35,819 km, inclined at an angle of 3.9 degree to the equator.

ISRO's Master Control Facility (MCF) at Hassan in Karnataka took over the command and control of GSAT-15 immediately after its separation from the launch vehicle.

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The achieved orbit was very close to the intended one, requiring only orbit raising manoeuvres to place the satellite in the Geostationary Orbit (36,000 km above the equator).

Here are the key milestones in GSAT-15's orbit raising operations:

Arianespace successfully launched two Arabsat-6B satellites into orbit, which will provide TV broadcasting and telecommunications services to the Middle East and North Africa.

The launch was a milestone for Arianespace, marking their 250th mission.

Arianespace's Vega rocket carried the satellites into space, showcasing the company's reliable launch capabilities.

The Arabsat-6B satellites will operate in geostationary orbit, providing coverage for 22 countries in the region.

Their advanced technology will enable high-definition TV broadcasting and data transmission services.

The satellites are designed to last for 15 years, providing continuous service to the region.

Arianespace's launch was a testament to the company's commitment to providing reliable satellite launches.

The Arabsat-6B satellites are a significant addition to the region's satellite fleet, enhancing the quality of TV broadcasting and telecommunications services.