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ISRO successfully launches IRNSS 1l Navigation Satellite in PSLV C41

ISRO’s Polar Satellite Launch Vehicle, PSLV-C41 successfully launched the IRNSS-1l Navigation Satellite today.


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  • Till now, PSLV has successfully launched 52 Indian satellites and 237 customer satellites from abroad. (Image Credit: ISRO)

ISRO’s Polar Satellite Launch Vehicle, PSLV-C41 successfully launched the IRNSS-1l Navigation Satellite today. IRNSS-1l is a 1425 kg satellite and the latest member of ‘Navigation with Indian Constellation (NavIC)’ system.

Also known as Regional Navigation Satellite System (IRNSS), NavIC is an independent satellite system aimed at providing GPS in the Indian region and 1500 km around Indian mainland.

The launch vehicle, PSLV-C41, in its 43rd flight, lifted off at 04:04 am from the First Launch Pad. After a flight lasting about 19 minutes, the vehicle achieved a Sub Geosynchronous Transfer Orbit with a perigee (nearest point to earth) of 281.5 km and an apogee (farthest point to earth) of 20,730 km inclined at an angle of 19.2 degrees to the equator following which IRNSS-1I separated from PSLV.

A number of ground facilities responsible for IRNSS satellite ranging and monitoring, generation and transmission of navigation parameters, satellite control, network timing, etc., have been established in many locations across the country as part of NavIC.

PM Narendra Modi has congratulated ISRO on the successful launch of the navigation satellite IRNSS-1l.

PSLV has now successfully launched 52 Indian satellites and 237 customer satellites from abroad.

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