On Sun, 23 Jan 2000 23:19:53 -0500, Andrea Ryan <ary### [at] global2000net>
wrote:

>What if the orbit is tilted?  The orbit of the Moon is tilted about 5.145
>degrees.  Would that be incorporated if the Moon is rotated on its axis, tilted
>over a little, translated, rotated 5.145 degrees and revolved around the
>Earth?  What if a elliptical orbit is desired?
>Brendan Ryan
>
>dcc wrote:

object
{
  Moon
  rotate <5.145,-360*y*clock,0>
  translate R*<cos(2*pi*clock), 0, E*sin(2*pi*clock)>
  // R is the major radius
  // E is the "Eggness", i.e. minor to major radius ratio
}


Peter Popov
pet### [at] usanet
ICQ: 15002700

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