All Questions
5 questions
1vote
0answers
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Is a low energy transfer straight to the L1 earth-moon lagrange point more delta-v intensive than a ballistic capture?
Going from Low Earth orbit to Lunar orbit, all missions I came across that used a low energy transfer (GRAIL,CAPSTONE,SLIM to name a few) first went out to the Earth-Sun L1 lagrange point, and then ...
7votes
5answers
3kviews
Gravitational field of the Moon and Earth
Is there any method to find a point or plane in space where the gravitational field of the Moon and Earth are the same? And if so, what happens to a spacecraft if it passes through that point or ...
25votes
5answers
4kviews
Delta-v to hit the moon: is reaching Lunar L1 enough?
Lot of questions involve shooting things into the Sun. But there are no aliens on the Sun: they are on the Moon. I want to drop things on them, but since there's lot of them, I can just drop a ...
2votes
2answers
585views
Burns for EML-1 to LLO
Wikipedia gives 0.64 or 0.65 km/s for going from LLO to EML-1 or back. I would like to know what the delta v of the specific burns involved are, and if my initial calculations are close, I don't see ...
11votes
1answer
1kviews
Low Energy Transfer within Earth-Moon system
Practical aspects of a total low energy transfer to the Moon have been seen in missions like GENESIS, which uses Weak stability Boundary legs of Earth and Sun to reach ESL-2. This four body model ...