Isro’s Mars Orbiter Mission completes 3 years in orbit

India’s rendezvous with the red planet continues as its celebrated Mars Orbiter Mission (MOM) completes three years in orbit.

The scientific analysis of the data received from the Mars Orbiter spacecraft is in progress, ISRO public relations director Deviprasad Karnik told PTI.

The country had on 24 September 2014 successfully placed the Mars Orbiter Mission spacecraft in the orbit around the red planet, in its very first attempt, thus breaking into an elite club. ISRO had launched the spacecraft on its nine-month-long odyssey on a homegrown PSLV rocket from Sriharikota in Andhra Pradesh on 5 November 2013. It had escaped the earth’s gravitational field on 1 December 2013.

The space agency had earlier launched MOM announcement of opportunity (AO) programmes for researchers in the country to use MOM data for research and development. Citing surplus fuel, ISRO had in March 2015 announced that the spacecraft’s life had been extended for another six months.

The Mars Orbiter has five scientific instruments—Lyman Alpha Photometer (LAP), Methane Sensor for Mars (MSM), Mars Exospheric Neutral Composition Analyser (MENCA), Mars Colour Camera (MCC) and Thermal Infrared Imaging Spectrometer (TIS).

The Mars Colour Camera, one of the scientific payloads onboard MOM, has produced more than 715 images so far, ISRO had said. During its journey so far, the mission went through a communication ‘blackout’ as a result of solar conjunction from 2 June 2015 to 2 July 2015.

It had also experienced the ‘whiteout’ geometry phenomenon (when the earth is between the sun and Mars and too much solar radiation makes it impossible to communicate with the earth) from 18 May to 30 May 2016.

An orbital manoeuvre was also performed on MOM spacecraft to avoid the impending long eclipse duration for the satellite, ISRO said. The government had in November last said the space organisation was seeking scientific proposals for Mars Orbiter Mission-2 to expand inter-planetary research.

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