ISRO successfully launches IRNSS-1I Navigation Satellite from Sriharikota

Indian Space Research Organization (ISRO) on 12th April added another golden page in the book of successful launches by placing another satellite in the orbit of the Earth.

IRNSS-1I also known as Indian regional navigation satellite -1I was intended to replace IRNSS-1A which stopped working 2 years ago after the failure of its three Rubidium atomic clocks. IRNSS-1I became the newest member and 8th satellite to join the constellation of navigation satellite called NavIC (Navigation with Indian Constellation) or IRNSS. The launch was scheduled early in the morning at 4:04 AM from Sriharikota rocket port and it took 19 minutes to place the satellite in the Sub Geosynchronous Transfer Orbit.

The 1425 kg satellite carried by the polar satellite launch vehicle (PSLV C41) will provide GPS in Indian Region and 1500 KM around Indian Mainland. Last year another attempt was made with IRNSS-1H to replace the non-working satellite but it went unsuccessful when the heat shield didn’t open.

PM Narendra Modi congratulate the whole team of ISRO by tweeting – “Congratulations to our scientists on the successful launch of navigation satellite IRNSS-1I by PSLV. This success will bring benefits of our space programme to the common man. Proud of team @ISRO!”

After this attempt PSLV has now successfully launched 52 Indian Satellites and 237 customer satellite from abroad.


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