EDG
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Does anyone know (or have a way of finding out) where the Lagrange Points would be in a binary star system? I know where they'd be in a system with a small mass orbiting a big mass (e.g sun-jupiter, or earth-moon systems) but I'm not sure where they'd be if you had two large bodies with equal mass (e.g. two stars), orbiting their centre of mass. In the case of zero eccentricity, the two stars would be the same distance from eachother all the time. But for non-zero eccentricity the distance between them would be changing and I'd imagine that would complicate the problem somewhat. I figure that the L1 point must be where the two roche lobes of the stars intersect, right? And maybe L2 and L3 would be on opposite sides of the stars relative to the L1 point, but where would the L4 and L5 points be? Or would they just not exist in this sort of situation?
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