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Thursday, September 4, 2014

25 Days from Mars – India’s MOM is in Good Health!

25 Days from Mars – India’s MOM is in Good Health!:

India’s Mars Orbiter Mission (MOM) marked 100 days out from Mars on June 16, 2014 and the Mars Orbit Insertion engine firing when it arrives at the Red Planet on September 24, 2014 after its 10 month interplanetary journey. Credit ISRO

India’s Mars Orbiter Mission (MOM) is closing in on the Red Planet and the Mars Orbit Insertion engine firing when it arrives on September 24, 2014 after its 10 month interplanetary journey. Credit ISRO

Now less than 25 days from the history making rendezvous with the Red Planet and the critical Mars Orbital Insertion (MOI) engine firing, India’s MOM is in good health!

The Mars Orbiter Mission, or MOM, counts as India’s first interplanetary voyager and the nation’s first manmade object to orbit the 4th rock from our Sun on September 24, 2014 – if all goes well.

MOM was designed and developed by the Indian Space Research Organization (ISRO).

“MOM and its payloads are in good health,” reports ISRO in a new update.

As of today, Aug. 31, MOM has traveled a total distance of over 622 million km in its heliocentric arc towards Mars, says ISRO. It is currently 199 million km away from Earth.

25 Days to Mars Orbit Insertion engine firing for ISRO’s Mars Orbiter Mission (MOM) on Sept. 24, 2014. Prelaunch images show MOM undergoing solar panel illumination tests during 2013 prior to launch. Credit: ISRO

Altogether the probe has completed over 90% of the journey to Mars.

In the past week alone it has traveled over 20 million km and is over 10 million miles further from Earth. It is now less than 9 million kilometers away from Mars

Round trip radio signals communicating with MOM now take some 21 minutes.

The 1,350 kilogram (2,980 pound) probe has been streaking through space for nearly ten months.

To remain healthy and accomplish her science mission ahead, the spacecraft must fire the 440 Newton liquid fueled main engine to brake into orbit around the Red Planet on September 24, 2014 – where she will study the atmosphere and sniff for signals of methane.

The do or die MOI burn on September 24, 2014 places MOM into an 377 km x 80,000 km elliptical orbit around Mars.

Trans Mars Injection (TMI), carried out on Dec 01, 2013 at 00:49 hrs (IST) has moved the spacecraft in the Mars Transfer Trajectory (MTT). With TMI the Earth orbiting phase of the spacecraft ended and the spacecraft is now on a course to encounter Mars after a journey of about 10 months around the Sun. Credit: ISRO

Trans Mars Injection (TMI), carried out on Dec 01, 2013 at 00:49 hrs (IST) moved the spacecraft into the Mars Transfer Trajectory (MTT). With TMI the Earth orbiting phase of the spacecraft ended and the spacecraft is now on a course to encounter Mars after a journey of about 10 months around the Sun. Credit: ISRO

MOM was launched on Nov. 5, 2013 from India’s spaceport at the Satish Dhawan Space Centre, Sriharikota, atop the nations indigenous four stage Polar Satellite Launch Vehicle (PSLV) which placed the probe into its initial Earth parking orbit.

MOM is streaking to Mars along with NASA’s MAVEN orbiter, which arrives a few days earlier on September 21, 2014.

Although MOM’s main objective is a demonstration of technological capabilities, it will also study the planet’s atmosphere and surface.

The probe is equipped with five indigenous instruments to conduct meaningful science – including a tri color imager (MCC) and a methane gas sniffer (MSM) to study the Red Planet’s atmosphere, morphology, mineralogy and surface features. Methane on Earth originates from both geological and biological sources – and could be a potential marker for the existence of Martian microbes.

Stay tuned here for Ken’s continuing MOM, MAVEN, Opportunity, Curiosity, Mars rover and more planetary and human spaceflight news.

Ken Kremer

Clouds on the ground ! The sky seems inverted for a moment ! Blastoff of India’s Mars Orbiter Mission (MOM) on Nov. 5, 2013 from the Indian Space Research Organization’s (ISRO) Satish Dhawan Space Centre SHAR, Sriharikota. Credit: ISRO

Tagged as:
indian space program,
Indian Space Research Organization,
ISRO,
Mars,
Mars MAVEN,
Mars Orbiter Mission,
MAVEN,
methane on Mars,
MOM,
NASA,
PSLV,
red planet

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