Re: [nbos] Astro3 Experimental Build
Marcus Andronicus
Sun Nov 22nd, 2009
If I understand my limited knowledge of orbital mechanics correctly, binaries and such generally orbit a point in space, rather than a point within the primary as star/planet systems tend towards. If you designate the point in space as the location in the sector, then you should be able to generate the orbits of the stars themselves based on the distance from one another and their respective masses, but I am assuming that mass and distance have been taken into account for Astro2. This would mean being able to designate stars as "planets" to give them the necessary data fields but its a start? By setting up each system in this manner this could also lead to slightly more realistic orbits of all bodies, albeit somewhat more complicated.

just my two centavii- good work so far tho Ed and crew from what little i have been able to play with Astro3.


--- On Fri, 11/20/09, NBOS Support <> wrote:

From: NBOS Support <>
Subject: Re: [nbos] Astro3 Experimental Build
Date: Friday, November 20, 2009, 10:57 PM

The problem with binaries/trinaries has always been that there's no way to calculate up front what a stable arrangement would be (that I'm aware of).  I can stick three stars there in the display, but it's unlikely it'd be a stable orbit.  Planets of those stars have the same problem.  So I may try it, but realize that its unlikely they'll be correct/stable arrangements.  It'll just be a static display to show relative distance.

Similar problem with the temperature.  Not every system is capable of having a planet of a certain temperature.  The temperature of a planet is derived from a number of pieces of info, and the process is one way - you cant reverse engineer it.

For planets, its best to just manually add them in and change their temperatures.  Or perhaps make a script that can place a planet at an estimated distance.  There's a TempAt() method of the Body class that will let you get the 'equilibrium' temperature at a certain distance from a star.

> Ed, just wondering if there are any plans to finally look at incorporating Binaries on the Solar Level at all with the eye towards Astro 3.. I mean it's one of the most requested features outside the data access..
> The other thing is, and it's more a general question.. is there any way to set Astro up so you could specify the 'temprature' you want for a planet and it generate where / what orbit it requires?
> -Rob
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