Community Tip - Did you know you can set a signature that will be added to all your posts? Set it here! X
Help me please with this problem!
Thru ODEs solution - see please the attach Prime 9 file.
See also
Great-Comet-of-1811-ODEs-solution
One more solution with 5 functions in attach
Why at t=P/2 the comet is not in Perihelion?
