Questions tagged [three-body]
Questions regarding the relative motion of three masses.
14
questions
5
votes
1answer
710 views
Will Kerbal Space Program 2 have Lagrange points, halo orbits, and other 3-body goodies?
At about 05:37 in Scott Manley video Kerbal Space Program 2 - What We Know About The Sequel
So I’m cautiously optimistic and I really obviously want this to be ...
2
votes
2answers
172 views
Do horseshoe orbits have anything to do with Lagrange points? Do words fail us here?
I said
(2010 SO16 is associated with Lagrange point L3 but wanders so far behind and ahead of it that the orbit is called "horseshoe"...
and the comment was made:
Not really. L3 is unstable. ...
2
votes
0answers
97 views
Do Lissajous orbits have stable/unstable manifolds?
The question Did DSCOVR travel “along the stable manifold of it's future SE L1 Halo orbit” to get there? is specific to DSCOVR's trajectory from Earth to its primarily heliocentric orbit near Sun-...
2
votes
0answers
328 views
How to find Near Rectilinear Halo Orbits (NHROs)?
Looking all the good questions and answers in this site referent to CR3BP dynamics, periodic orbits, state transition matrices, etc. I wonder:
what algorithm or steps do I have to follow to find the ...
2
votes
0answers
151 views
Software (besides Ltool) to simulate CR3BP (three body) problems?
Are there any other softwares for CR3BP besides Ltool? As I've learnt here Ltool is not generally available to the public. I would like to simulate three body orbits within the standard circular ...
1
vote
1answer
164 views
Distant retrograde Orbit in CR3BP Question
How can i calculate the initial vy0 component for a distant retrograde orbit in Sun-Earth CR3BP around Earth?
19
votes
2answers
2k views
Going from LEO to lunar using only low-thrust ion propulsion - can it be done?
@SF.'s question What are the parameters of the new Iodine electrical rocket engine developed by RSC Energia? links to the short RT article 'Ten times cheaper': Russian space company testing iodine ...
1
vote
1answer
93 views
Efficient trajectories from earth orbit to EML-1
What are the lowest delta-v trajectories a spacecraft could take from Earth to EML-1? (Earth Moon Lagrange point 1). provided the payload is massive. ( the amount of time it takes is not an issue)
2
votes
0answers
232 views
Did DSCOVR travel “along the stable manifold of it's future SE L1 Halo orbit” to get there?
I just wrote (and have since removed) the following paragraph in this answer:
As can be heard in this video SpaceX's launch of the DSCOVR spacecraft to Sun-Earth L1 went there almost directly. The ...
4
votes
1answer
1k views
“Pythagorean Three Body Problem” - need some points from an accurate solution for comparison
note: if you up-vote (or even if you don't), don't forget to scroll down and see the excellent answer as well - it's beautiful!
The Pythagorean Three Body Problem also know as Burrau's problem is a ...
11
votes
1answer
1k views
Are some Halo Orbits actually Stable?
UPDATE: I found another reference! While I always enjoy a good video starring Jimmy and Linda Carter, this one has Dennis Wingo describing ISEE-3's original Halo orbit. He describes Sun-Earth $L_1$ as ...
8
votes
2answers
327 views
+100
Balancing a mirror
A possible way of heating up Mars is to use mirrors to direct more sunlight towards the planet. I am not asking about the feasibility or cost of such a gigantic project, but I have a question ...
3
votes
2answers
411 views
A constant parameter in a three body system?
In a two body system, there are a lot of orbital parameters not changing over time, like eccentricity or the orbital plane.
A constant parameter can be a combination of two or more, like even though ...
11
votes
1answer
1k views
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 ...
