"SharkD" <pos### [at] gmailcom> schreef in bericht 
news:4c22c7f0$1@news.povray.org...
>
> How about code for the orbital characteristics? It's been a while since I 
> tried (and never entirely succeeded) doing the calculations myself.
>

I have never done that really seriously. I remember having done only one 
scene with planets in 2006 (an unfinished project, as most are) with a view 
of Neptune from Triton. This time as an illustration of a scene from Samuel 
Delany's Nova.

The only thing I did was to scale down the orbital parameters, along with 
the size of, and distance to, the planet and satellites, to make the scene 
manageable and still keep the apparent dimensions. For a few satellites I 
had to scale them a bit up after that, to make them visible from Triton. 
Images must be somewhere in p.b.i. for that year.

Thomas

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