India's Mars probe (MOM), Development, launch, and cruise to Mars |
India's Mars probe (MOM), Development, launch, and cruise to Mars |
Aug 31 2009, 08:10 PM
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#1
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Senior Member Group: Members Posts: 1729 Joined: 3-August 06 From: 43° 35' 53" N 1° 26' 35" E Member No.: 1004 |
according to the Chinese Xinhua press agency an Indian Mars probe may be launched in 2013 or 2015, after Chandrayaan-2
http://news.xinhuanet.com/english/2009-08/...nt_11972334.htm |
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Nov 7 2013, 07:16 AM
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#2
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Senior Member Group: Members Posts: 2090 Joined: 13-February 10 From: Ontario Member No.: 5221 |
Being in direct contact with India is probably a boon to operations; remaining in orbit to do checkouts/adjustments prior to the Mars trip has more benefits than just a smaller rocket, in terms of signal delay, familiar environment, etc.
Why doesn't this happened more often? Launch a probe into parking orbit when it's assembled, do checkouts and instrument commissioning at a leisurely pace, and burn with your final stage to interplanetary when the appropriate window opens up. |
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Nov 8 2013, 04:04 AM
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#3
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Senior Member Group: Members Posts: 2517 Joined: 13-September 05 Member No.: 497 |
Why doesn't this happened more often? Launch a probe into parking orbit when it's assembled, do checkouts and instrument commissioning at a leisurely pace... Most interplanetary spacecraft are launched into a parking orbit, but they only stay in it for a few minutes before injection. AFAIK there are no delta V savings for the MOM mission profile, it's mostly because the spacecraft engine doesn't have enough thrust to do the injection in one burn. As for checkout, there's plenty of time to do it in cruise, and it's not like you can go up and fix it if you stay in Earth orbit anyway. -------------------- Disclaimer: This post is based on public information only. Any opinions are my own.
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