French Guiana Current Affairs - 2019

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GSAT-31 launched from French Guiana

India’s communication satellite GSAT-31 was successfully launched from the Spaceport in French Guiana. GSAT-31 was launched from the launch vehicle Ariane 5 VA-247.

Features of the GSAT-31

The important features of the GSAT-31 are:

  • GSAT-31 would be placed at Geosynchronous Transfer Orbit.
  • GSAT-31 will augment the Ku-band transponder capacity in Geostationary Orbit.
  • GSAT-31 derives its heritage from ISRO’s earlier INSAT/GSAT satellite series and will provide continuity to operational services on some of the in-orbit satellites.
  • GSAT-31 will provide DTH Television Services, connectivity to VSATs for ATM, Stock-exchange, Digital Satellite News Gathering (DSNG) and e-governance applications.
  • GSAT-31 will also be used for bulk data transfer for a host of emerging telecommunication applications.

After separation from the upper stage of Ariane-5, the two solar arrays of GSAT-31 were automatically deployed in quick succession and ISRO’s Master Control Facility at Hassan in Karnataka took over the command and control of GSAT-31.

ISRO scientists will now undertake phase-wise orbit-raising manoeuvres to place the satellite in Geostationary Orbit (36,000 km above the equator) using its onboard propulsion system. The satellite would be then placed in its final orbital configuration.

Month: Categories: Science & TechnologyUPSC

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Mohammed VI-B: Morocco launches its second earth observation satellite

Morocco successfully launched its second earth observation satellite named Mohammed VI-B on board of Arianespace Vega rocket from launch pad at Guiana Space Center in Kourou, French Guiana in South America.  It will be placed at same orbit as its twin satellite Mohammed 6-A, the first Moroccan satellite launched in November 2017 also on Vega rocket. The launch completes Morocco’s two-satellite constellation for Earth observation.

Mohammed VI-B

The 1,100-kilogram satellite was developed by Thales Alenia Space and Airbus Airbus Defence and Space. Airbus had built platform of satellite while Thales Alenia Space supplied payload and ground segment for image processing. It will be mainly used for mapping, land surveying, agricultural monitoring, prevention and management of natural disasters, monitoring changes in the environment and desertification as well as border and coastal surveillance.

Arianespace

It is multinational company founded in 1980. It is world’s first commercial launch service provider. It has its headquarters in Courcouronnes, Essonne, France.  It offers a number of different launch vehicles: heavy-lift Ariane 5 for dual launches to geostationary transfer orbit (GTO), Soyuz-2 as medium-lift alternative, and solid-fueled Vega for lighter payloads. As of May 2017, Arianespace has launched more than 550 satellites in 254 launches over 34 years. It uses Guiana Space Center in French Guiana as its main launch site. ISRO uses Arianespace’s services for launching its heavy satellites. Arianespace’s Vega is a four-stage rocket designed by Arianespace launch small commercial and science satellites into orbit. The rocket is 98 feet (30 meters) tall and can launch payloads of up to 2,500 kilograms (5,511 pounds) into orbit.

Month: Categories: Science & Technology

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