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Radius at time t in the 2 body problem

by kitw
Tags: 2 bodies, ellipse, kepler, moulton
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kitw
#1
Oct6-13, 01:30 AM
P: 1
For 2 bodies rotating in ellipses about their centre of mass, (62) p171 of Moulton (1914),
Periodic orbits gives the distance between them as a series in eccentricity e, with coefficients
linear combinations of cos kM, k=1,2,... where M=nt is the mean anomaly.

I once found the formula online but no luck since. I think the "-1" in the first line of (62) should not be there.
Is there a list of errata?

thanks
kit in nz
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