10 Feb 2023

ISRO Launches Smallest Rocket SSLV-D2, Forays Into Small Satellite Launch Market

Sriharikota: ISRO on Friday successfully forayed in the small satellite launch vehicle segment. ISRO's SSLV D2 rocket injected three satellites into an intended circular orbit off from the Satish Dhawan Space Center, months after the maiden mission failed to bring in the desired results.

The satellites included ISRO's earth observation satellite EOS-07.

With the earlier SSLV not living up to the expectations, 'corrective measures' were put in its successor.

SSLV aims at launching small satellites

The purpose of developing SSLV is to launch small satellites. Along with this, Polar Satellite Launch Vehicle (PSLV) is used a lot in launching till now. Due to SSLV, it will now be free for big missions. SSLV can carry an object of 10 to 500 kg in a planar orbit 500 km away.

SSLV launch failed last year

Attempts were made to launch SSLV on 9 August 2022, but the launching failed. The launching of the rocket was fine, but later there was a problem during the speed and then the separation of the rocket. Due to this, the launching of SSLV was canceled then. ISRO had told that both the satellites had gone into the wrong orbit and were of no use.

SSLV in its second flight put three satellites in intended orbit

A visibly relieved Chairman of the Indian Space Research Organization (ISRO), S Somanath said SSLV in its second flight put the three satellites in the intended orbit with precision.

"Congratulations to the space community of India...we have a new launch vehicle, the small satellite SSLV. In its second attempt, SSLV D2 has placed the satellites in the intended orbit precisely. Congratulations to all three satellite teams," he said.

ISRO team made a comeback

Mission Director S Vinod said the ISRO team made a "comeback" soon after the August 7, 2022 failure.

ISRO now has a "new launch vehicle" on offer for the launch vehicle community, he added.

Earlier, the 34-metre tall SSLV soared majestically into clear skies at 9.18 AM, after a six and a half hour countdown, carrying with it the EOS-07, besides Janus-1 and AzaadiSAT-2 satellites. The rocket placed the satellites into the intended 450-km circular orbit after a 15-odd minute flight.

SSLV is capable of launching mini, micro or nano satellites

 According to ISRO, SSLV is capable of launching mini, micro or nano satellites in the 10-500 kg segment into the 500 km planar orbit. It caters to the launch of satellites to Low Earth Orbits (LEO) on "launch-on-demand" basis. 

It provides low-cost access to space, offers low turn-around time and flexibility in accommodating multiple satellites, and demands minimal launch infrastructure, ISRO added. It is configured with three solid propulsion stages and a velocity terminal module.

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