Re: Celestial Mechanics Computer Programs

try 'red shift' as www.amazon.com
read the synopsis..n lemme know if you find something better.

--
inversinfinitesimally urs,

mo0dy
"Zinger" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> Can anyone here help me find a program which will allow me to not only
> compute and display the ephemeris of known objects e.g. planets, moons,
etc
> but to introduce a specific object into the equation such as an unknown
> comet or asteroid with given conditions of distance, velocity, etc and to
> determine the ultimate orbit?
>
> I am concerned not about about being hit on the head by a unwelcomed
visitor
> as much as finding out what the true maximum and minimum values of impact
> velocities for families of comets or astroids may be.  I know that some of
> the values given in the media vary radically from what I think is
practical.
>
> Also,  I am curious if there are any known asteroids in a retrograde
orbit.
>
>
> Gary
>
>