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Message: <blockquote data-quote="Umbran" data-source="post: 3195740" data-attributes="member: 177">I would have to go back and look at the math - I don't think you get stable Lagrange points if the two major objects are of comaprable mass.  If I recall corectly, you need the situation where one object is pretty clearly orbiting another, rather than two similar-mass objects in orbit around a common center.  Mind you, you can still get that with commonly available stars - a blue giant and a red dwarf pair could produce the effect of having a couple planets and a star all sharing the same orbit.So, in the above situation - Alpha Centauri A and B won't have stable Lagrange points.  But Proxima Centauri might...</blockquote>