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India successfully launches first navigation satellite

Posted: 03 Jul 2013     Print Version  Bookmark and Share

Keywords:Indian Space Research Organisation  navigation satellite  PSLV- C22  IRNSS-1A 

The Indian Space Research Organisation (ISRO) successfully launched the country’s first navigation satellite on Monday night from Satish Dhawan Space Centre, Sriharikota.

At 11.41 pm, India's workhorse Polar Satellite Launch Vehicle, PSLV- C22, successfully launched IRNSS-1A, the first satellite in the Indian Regional Navigation Satellite System (IRNSS).

After a flight of 20 minutes 17 seconds, the IRNSS-1A satellite, weighing 1425 kg, was injected to the intended elliptical orbit of 282.46 km X 20,625.37 km. It is for the first time that the space agency has launched a satellite at night.

This is the 23rd consecutively successful mission of PSLV, said ISRO.

Indian Space Research Organisation (ISRO) chairman K.Radhakrishnan said with the successful launch of the satellite, India had entered "a new era of space applications".

After injection, the solar panels of IRNSS-1A were deployed automatically. ISRO's Master Control Facility (at Hassan, Karnataka) assumed the control of the satellite. In the coming days, five orbit maneuvers will be conducted from Master Control Facility to position the satellite in its Geosynchronous Circular Orbit at 55 degree East longitude.

IRNSS-1A is the first of the seven satellites constituting the space segment of the Indian Regional Navigation Satellite System. IRNSS is an independent regional navigation satellite system designed to provide position information in the Indian region and 1500 km around the Indian mainland. IRNSS would provide two types of services, namely, Standard Positioning Services (SPS) - provided to all users - and Restricted Services (RS) provided only to authorised users.

A number of ground stations responsible for the generation and transmission of navigation parameters, satellite control, satellite ranging and monitoring, etc., have been established in as many as 15 locations across the country.

The entire IRNSS constellation of seven satellites is planned to be completed by 2015-16.

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