India’s latest communication satellite GSAT-6A was on Thursday launched the on board Geosynchronous rocket GSLV-F08 from the spaceport in Sriharikota and successfully placed it in the designated orbit in yet another achievement for the ISRO.
The Geosynchronous Satellite Launch Vehicle (GSLV-F08), fitted with indigenously developed cryogenic third stage, injected the satellite into orbit about 18 minutes after its lift off from the Satish Dhawan Space Centre.
ISRO’s scientists at the mission control centre were visibly happy, patting each others’ backs and exchanging hugs once the rocket ejected the satellite into the intended orbit.
Indian Space Research Organisation (ISRO) chairman K Sivan said: “This is the sixth successful launch of GSLV with indigenous cryogenic engine. The GSAT-6A satellite was placed in its designated orbit precisely.”
“The GSAT-6A will complement GSAT-6 launched earlier. The two satellites will provide platform for advanced technologies for point-to-point communication.”
He said the GSLV rocket had major improvements to enhance its performance.
The induction of high-thrust Vikas engine enhances the performance capacity of the second stage by around six per cent.
Sivan said the rocket has been fitted with electromechanical actuation system in the place of electro-hydraulic actuation system, adding that the electromechanical actuation system was made with ISRO developed space grade lithium-ion (Li-Ion) cells.
Precisely at 4.56 p.m., the GSLV rocket ascended into the sky from the second launch pad here at Satish Dhawan Space Centre and the 49.1 metre tall rocket, weighing 415.6 tonne, slung the two tonne satellite into the intended orbit 17.46 minutes into its flight.
The purpose of the satellite is to provide mobile communication applications in S-band in five spot beams and C-band in one beam during its 10-year life span.
ISRO said that the GSAT-6A was similar to the GSAT-6 put into orbit in 2015.
The GSLV is a three stage/engine rocket. The core of first stage is fired with solid fuel while the four strap-on motors by liquid fuel. The second stage is the liquid fuel-propelled and the third is the cryogenic engine.
According to ISRO, two improvements — induction of Vikas engine and electromechanical actuation system — have been made in the rocket’s second stage this time around.
One of the crucial rocket engines is the cryogenic engine, designed and developed by ISRO, and more efficient than the other two variants as it provides more thrust for every kilogram of propellant burnt.
With this successful launch, India established the performance of its GSLV-MkII rocket which in future may fetch orders from third parties for launching their satellites.
India puts into orbit foreign satellites for a fee using its lighter rocket – the Polar Satellite Launch Vehicle (PSLV) as their weight is not much.
Revenue for launching satellites depends on weight of the satellite – higher the weight, higher will be the revenue.
According to the latest Economic Survey, foreign exchange earnings of India from export of satellite launch services increased noticeably in 2015-16 and 2016-17 to Rs 394 crore and Rs 275 crore from Rs 149 crore in 2014-15.
Leave a reply