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leephillips
on May 8, 2013
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Planar Choreographies: odd orbital mechanics
They're probably all unstable except for the figure-8. Numerical experiments suggest that there should be somewhere from one to 100 figure-8 systems in the observable universe:
http://www.scholarpedia.org/article/N-body_choreographies
lholden
on May 9, 2013
[–]
Also worth noting that the mass of each star involved in a figure-8 would have to be pretty much identical.
leephillips
on May 9, 2013
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All these solutions are for bodies of equal mass.
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