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Mars mission: ISRO all set for crucial manoeuvre tomorrow

Bangalore: Ahead of India's Mars orbiter's scheduled rendezvous with the red planet on September 24, ISRO is all set for the crucial fourth trajectory correction manoeuvre and test fire of the main liquid engine on

PTI PTI Updated on: September 21, 2014 14:39 IST
mars mission isro all set for crucial manoeuvre tomorrow
mars mission isro all set for crucial manoeuvre tomorrow

Bangalore: Ahead of India's Mars orbiter's scheduled rendezvous with the red planet on September 24, ISRO is all set for the crucial fourth trajectory correction manoeuvre and test fire of the main liquid engine on the spacecraft on Monday.

The 440 Newton Liquid Apogee Motor (LAM) engine now in an idle mode on the Mars Orbiter Mission for 300 days will be fired for about four seconds which, if successful, will boost the confidence level of ISRO about the success of insertion of the spacecraft into the Martian orbit.

"We are all set for the fourth trajectory correction manoeuvre and test fire of the main liquid engine, commands have already been loaded into the spacecraft for this event and has also been verified," a top ranking ISRO official said.

He said the event is crucial as the engine stored in the orbit for about 300 days without operation will be restarted for testing.

"This test firing of the LAM engine is like a trial, which is going to be fired for a longer duration on September 24 for Mars Orbit Insertion," he said. The engine will be test fired for 3.968 seconds with fuel consumption of about 0.567 kg and with a decremental velocity of 2.142 meters/second.

The MOM, India's first interplanetary mission launched on November 5, 2013 by India's workhorse Polar Satellite Launch Vehicle (PSLV) from the spaceport of Sriharikota in Andhra Pradesh, will enter into Sphere of Influence of Mars on Monday.

On a 666 million km journey, the spacecraft escaped the earth gravity pull on December 1,2013.

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