SSLV-D2 ISRO launch: The Indian Space Research Organisation has launched the second developmental flight of Small Satellite Launch Vehicle (SSLV) on Friday from its first launch pad Satish Dhawan Space Centre, Sriharikota in Andhra Pradesh at 9:18 am. SSLV-D2: ISRO successfully launch SSLV-D2 Rocket.
It has been developed to shoulder the burden of the Polar Satellite Launch Vehicle (PSLV) and cater to the small satellite launch market. SSLV, the sixth launch vehicle designed and developed by Isro, lifted off from the Satish Dhawan Space Centre in Sriharikota for a 15-minute flight to Low Earth Orbit with three payloads weighing over 350 kilograms.
The primary payload on the mission was the Earth Observation Satellite-07 (EOS-7). The launch vehicle also carried rideshare payload Janus-1 and AzaadiSAT-2.
AzaadiSAT aims to measure various health data like temperature and reset count from 75 student experiments installed inside the satellite. The satellite will play NCC Song as a tribute to the National Cadet Corps marking its 75th year of establishment. The three stages of SSLV performed nominally as expected by ISRO.
However, all eyes were on the liquid propulsion-based Velocity Trimming Module, which was used as a terminal stage. Following the three stages separating from the rocket, the VTM ignited to provide the desired 450-kilometer circular orbit to deploy the satellite. The three satellites were then deployed in the desired orbit following VTM’s orbital corrections.
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This was the second launch of Isro’s shiny new launch vehicle after the maiden demonstration mission ended up in failure. The SSLV D1 mission launched in August last year failed to deploy the satellites in orbit, making them unusable.
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“We have a new launch vehicle. SSLV, in its second attempt, has placed the satellites in orbit very accurately. Congratulations to all three satellite teams. SSLV had its maiden flight and we had a narrow miss due to a shortfall in velocity. We have analysed the problem, identified the corrective action, and qualified the system at a very fast pace,” Isro chief S Somnath said after the launch.
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