Written by Staff Writer
16 Oct, 2014 | 12:12 pm
Regional superpower India launched its 3rd navigation satellite in the early hours of Thursday, October 16and reached a step closer to achieving their target of creating the Indian Regional Navigation Satellite System (IRNSS)
The Indian Space Research Organization (ISRO) successfully launched IRNSS 1C from the Satish Dhawan Space Centre, the third member of the seven satellite constellation of the IRNSS, in the wee hours of Thursday.
Polar Satellite Launch Vehicle (PSLV) – C26, carrying IRNSS 1C, lifted off from the first launch pad of 1.32am. The satellite detached from the launch vehicle about 20 minutes after the launch at an altitude of 499.63km soaring with a velocity of 9604.87 meter per second. This was the 27th consecutive successful flight of PSLV.
Indian Regional Navigation Satellite System
IRNSS-1C forms part of the Indian Regional Navigation Satellite System (IRNSS), a constellation of geosynchronous satellites which the Indian Space Research Organisation (ISRO) has been deploying to provide navigation data to India and the surrounding region.
The first satellite, IRNSS-1A, was launched last July with the seven-satellite constellation scheduled for completion by the end of 2015.
Initially, the satellite was injected into a sub-geosynchronous transfer orbit with a 282.56km perigee (nearest point to Earth) and 20,670 apogee (farthest point from Earth). Later, it was lifted to a geo-stationary orbit.
While India is developing its navigation system, a select group of countries have their own navigation systems — Russia’s Global Orbiting Navigation Satellite System (GLONASS), United States’ Global Positioning System (GPS), European Union’s Galileo (GNSS), China’s BeiDou satellite navigation system and the Quasi-Zenith Satellite System.
Indian Space Program
1975 : ISRO builds satellite Aryabhata, launched by the Soviet Union
1980 : Satellite Rohini placed in orbit by an Indian-made launch vehicle, SLV-3.
ISRO subsequently developes two other rockets: the Polar Satellite Launch Vehicle (PSLV) for launching satellites into polar orbits and the Geosynchronous Satellite Launch Vehicle (GSLV) for placing satellites into geostationary orbits.
Image courtesy : Indian Space Research Organisation
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