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Drakheim
2004-Mar-12, 04:41 PM
of a program to use that would calulate the orbit of a celestial body around the sun? :-s

daver
2004-Mar-12, 06:25 PM
It might depend on your os, and what you were doing with it. If you wanted to plot the orbit of a hypothetical asteroid, xephem (on unix) would allow you to supply an input file containing its orbital elements. There are probably pc-based astro tools, but I don't know if there are any that allow you to provide your own input files.

I suspect that many of these programs don't allow orbiting bodies to interact with each other, so you can't drop a Planet X into the system and watch it fling Jupiter out of orbit.

JimTKirk
2004-Mar-12, 08:29 PM
Do a search thru the board on Celestia... Seems I recall someone doing that with a known apogee and perigee here for they're own PX. :D I think they even created a 'wrap' for it too...

umop ap!sdn
2004-Mar-13, 10:08 AM
It just so happens I wrote a program that will do that (PC only) but I don't think the board will let me advertise it.