POV-Ray: Newsgroups: povray.advanced-users: Calculating planet positions: Re: Calculating planet positions

POV-Ray : Newsgroups : povray.advanced-users : Calculating planet positions : Re: Calculating planet positions		Server Time 19 Apr 2024 05:49:23 EDT (-0400)

From: Bald Eagle
Date: 15 Sep 2018 14:15:07
Message: <web.5b9d4b5dfda659e4458c7afe0@news.povray.org>

Mike Horvath <mik### [at] gmailcom> wrote:
> I'm trying to adapt the following PDF to POV-Ray code for my
> planetarium/orrery.
>
> https://ssd.jpl.nasa.gov/txt/aprx_pos_planets.pdf

It was a gigantic PITA
http://news.povray.org/povray.binaries.animations/thread/%3Cweb.5915a4387de46d5ec437ac910%40news.povray.org%3E/?mtop=41
6271

Even more of a PITA was unpacking date codes.


> How do I calculate the modulus -180 <= M <= +180?

I don't know what that means

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