Questions tagged [mars-orbiter-mission]

The Mars Orbiter Mission is a satellite sent by Indian Space Research Organisation to Mars as a technology demonstration.

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6answers
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Why should space probes have to orbit the Earth before being launched at other planets?

I'm curious to know why any satellites that need to be sent to other planets should be moving around the Earth rather than directly going towards their destination? Today, India launched one satellite ...
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Does India have plans to explore Mars after Mangalyaan?

The Indian Space Research Organisation (ISRO) is launching a Polar Satellite Launch Vehicle (PSLV) this Tuesday (5 Nov 2013) from Satish Dhawan Space Center, Sriharikota, India, flying on the PSLV-C25 ...
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How large is the Earth's gravitational Sphere of Influence and how can it be calculated?

There was a recent update on ISRO's Mars Orbiter Mission's (MOM) Facebook page that it has crossed the Earth's Sphere of Influence (SOI): MOM moves on! MOM is going to cruise out of the sphere ...
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Cheap cost of Mangalyaan

It has been reported that India's Mars mission, Mangalyaan, cost only \$74 million compared to \$671 million cost of Maven. What is the reason for this difference in cost? Are there any significant ...
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3answers
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Why is MOM in a very retrograde orbit?

A recent question/discussion on this site brought out the interesting fact that most probes around Mars are in Sun synchronous near polar orbit. The ISRO web-site for the Mars Orbiter Mission writes ...
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1answer
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Cause of ISRO MOM's LAM shutdown during the 4th orbit raising manoeuvre

The 4th orbit raising manoeuvre of ISRO's Mars probe (MOM or Mars Orbiter Mission, informally called Mangalyaan) did not go as planned, as the LAM (Liquid Apogee Motor) shut down prematurely. ...
9
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1answer
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Why are orbit raising maneuvers for Mangalyaan done in the early hours?

I was reading this news article, and it was mentioned that orbit raising is done in early hours. In all the five orbit raising operations, they are raising them only during night. What could be the ...
8
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1answer
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Why did ISRO require additional tracking ships in the South Pacific for its MOM mission?

ISRO (Indian Space Research Organisation) so far never before used additional marine vessels to help track their launch vehicles, as an extension to the Indian Deep Space Network (IDSN). So why did it ...
8
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1answer
729 views

What have been India's Mars mission's benefits to science?

From Wikipedia, it seems the objective is to gain experience in Mars missions and taking some scientific observations. My question is, did ISRO scientists discover anything new from their observations?...
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Methane detection on Mars by MOM?

It's been almost a month since the ISRO's Mars Orbiter Mission (MOM) was put into orbit. Though it doesn't carry much scientific payload, the one most talked about is the methane sensor, which even ...
7
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1answer
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What is “forward rotation” of a spacecraft?

According to ISRO's Mars Orbiter Mission (MOM): Forward rotation of the spacecraft has been completed successfully. What kind of maneuver is that and what is its purpose?
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Approximately how much fuel will ISRO Mars Orbiter have available when it enter Mars' orbit?

मंगलयान (Maṅgalayāna) is due to launch on November 05, 2013 AD of the Gregorian Calendar at 1436H (GMT+0530). Wikipedia writes to say The November 2013 launch will place the Mars Orbiter Mission ...
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1answer
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How are these 3D terrain models of Mars generated?

Recently ISRO released 3D terrain models of Mars' Ophir Chasma terrain as shown here. LiDAR is one instrument which helps in generating such 3D models. ISRO's MARS orbiter sensor payload does not have ...
6
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1answer
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Was the ISRO Mars mission really scaled down?

This news-report writes to say India’s bid to explore Mars will be a scaled down affair with the space agency flying experimental payload of less than 15 kg as against 25kg planned originally Was ...
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Is secure communication in space important?

How important is secure communication in space? Science-related research is often made public, but does that mean all communications must be unprotected?
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Earth->Mars: Porkchop, departure burn and orbit inclination

My goal is to get a graph "spaceport latitude"<>"delta-v to reach mars". Using "Trajectory Optimization Tool" (Matlab one) I have successfully generated porkchop graph for Earth->Mars transfer. ...
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MOM's NOT-so-sun-synchronous orbit about Mars - how large is it's J2?

edit: See my supplementary answer below for additional information. @Hohmannfan nailed it. This question and answer started me wondering - how big is the J2 (oblateness) term of Mars' gravity ...
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Is it possible to know the position of MOM?

How far has the MOM (Mars Orbiter Mission) travelled, and Where is it now? It is scheduled to reach Mars orbit on September 1 this year.
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Mars Pictures Taken By MOM

I was looking for pictures of Mars taken by spacecrafts and came across this news article of MOM taking its first pictures, however there no images in the news article. Can anybody please tell me ...
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1answer
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ISRO's Mars Orbiter Mission - LAM vs Attitude thrusters reliability

ISRO expressed concerns on restarting the Liquid Apogee Motor (LAM) for Mars Orbit Insertion (MOI) after a long coasting period of its Mars Orbiter Mission (MOM). ISRO has redesigned the LAM plumbing ...
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0answers
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What will MOM do when Earth isn't looking?

A quick follow-up to Is each instrument on ISRO MOM independently in 24x7 contact with Earth? Every 26 months Sol interposes to occult Earth from the gaze of the Warlord. The last time this occurred ...
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Is each instrument on ISRO MOM independently in 24x7 contact with Earth?

The ISRO Mars Orbiter Mission web-site writes to say Mars Orbiter Mission carries five scientific payloads to observe Martian surface, atmosphere and exosphere extending up to 80,000 km for a ...
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1answer
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Utilization of data from satellites mantained by India

What are the prerequisites to utilize the data from 'astrosat' or 'mangalyaan'. My aim is to check how useful the data generated by an Indian scopes are? I could not make any sense in the catalogs.
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Did the tail of Siding Spring distort communication between Mars, and Earth?

This article writes to say There was an hour’s communication blackout during the comet’s fly-by ... What happened here? Did the tail of Siding Spring serve to block/distort communication between ...
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Is there any central world organization which authenticate achievement of various space agencies missions?

Recently Isro's mars orbitor has completed 4 years in mars orbit I guess. I am proud of that as I am Indian. but as curious person I still wonder for proofs of that mars orbitor is still in mars ...