WATCH LIVE: ISRO to Launch PSLV rocket CMS-01 satellite from Satish Dhawan Space Centre @05:11am ET

WATCH LIVE: ISRO to Launch PSLV rocket CMS-01 satellite from Satish Dhawan Space Centre @05:11am ET

Indian Space Research Organisation’s (ISRO) Polar Satellite Launch Vehicle (PSLV)-XL will launch the CMS-01 (G-SAT-12R) telecommunications satellite. The rocket will lift off from Launch Pad 2 at Satish Dhawan Space Centre, India.

Launch window begins at 05:11am ET (10:11am UTC)

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CMS-01 (also known as GSAT-12R) is an Indian communications satellite that will provide internet and other services to the country. It’s built upon ISRO’s I-1K satellite bus, which is designed to be compatible with lightweight geostationary satellites. The bus provides propulsion, power, and communications systems for satellites.

The CMS-01 satellite will replace the aging GSAT-12 satellite that was launched in 2011.

PSLV is an expendable medium-lift launch vehicle. The vehicle is capable of putting up to 1,750 kilograms into a 600-kilometer sun-synchronous orbit. PSLV is very customizable and has flown in six variants in the course of its life. It was debuted in 1993 and has flown successfully 48 out of 51 times. The vehicle’s reliability, as well as its customizability and relatively low cost, have made it a popular rocket for both foreign and domestic customers.

The vehicle is composed of four stages as well as optional solid rocket boosters (SRBs). The first stage produces 4,800 kN and uses hydroxyl-terminated polybutadiene (HTPB) solid fuel. The second stage produces 799 kN of thrust and uses dinitrogen tetroxide (N2O4) and unsymmetrical dimethylhydrazine (UDMH) as its liquid fuel. The third stage uses the same fuel as the first stage and produces 240 kN of thrust. The fourth stage produces 14.66 kN of thrust and uses monomethylhydrazine (MMH) and mixed oxides of nitrogen (MON). The PSLV-XL also has six SRBs, adding another 4,221 kN of thrust.

This will be the 78th ISRO mission and 52nd flight of a PSLV rocket.

Courtesy of ISRO
SPACE (Official)

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