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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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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3answers
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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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3answers
676 views

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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2answers
500 views

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 ...
3
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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 ...
5
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2answers
351 views

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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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 ...