On Tue, Oct 11, 2011 at 05:29:32AM -0500, Captain Joy wrote: >I'm not sure I understand; in fact I'm sure I don't. If you know where on the >ellipse your planet is at at t=0, and you know the semi-major axis and >eccentricity of the orbit, it seems like figuring what angle the plant moves >through each Delta t thereafter should be a fairly simple equation.
It isn't. You can take Hal's approach and slice the orbit into smaller and smaller delta-T segments, working out the swept area. Or you can use calculus. But neither of these is going to be _simple_. R _______________________________________________ GurpsNet-L mailing list <[email protected]> http://mail.sjgames.com/mailman/listinfo/gurpsnet-l
