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I am working on a project for university on low energy transfers to Mars. The idea is to send a module for living to Mars and then later send the crew. The crew could be launched in 2033, as there is a launch window requiring comparativly little energy for a 120 day fast transfer. Obviously the module for living need to be sent Mars beforehand.
There is a low energy transfer launching in 2031, from the data I have got it looks like it is in the first quarter of 2031.
Can anyone tell me the exact date of this launch window? The module is to be sent with the least possible energy, i.e. on a conjunction-class (also call Hohmann-type) transfer.
Thank you very much
Oliver
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To find the exact date requires though calculations where the exact elements of the Mars orbit and the Earth orbit are required. It's the best to use Lamberts theorem to do this. I've done this for a trajectory Mars-Earth.
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I think for the type of transfer he is talking about you also have to consider the moons.
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There is a low energy [Earth-Mars] transfer launching in 2031, from the data I have got it looks like it is in the first quarter of 2031.
Can anyone tell me the exact date of this launch window? The module is to be sent with the least possible energy.
http://www.jaqar.com/swingby.html says ...
dep. 2/18/2031 arr. 1/1/2032 has delta-v = 5.4 km/sec to high Mars orbit.
Launch window for approx. 5.4 km/sec delta-v runs from 2/13 through 2/22.
Launch window for approx. 5.5 km/sec delta-v runs from 2/10 through 2/25.
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