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MOD - Creating a planet 0.980
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| quarior14 | Date: Wednesday, 14.09.2016, 21:14 | Message # 196 |
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| I think it a mistake
Quote SpaceEngineer (  ) MassSol - mass in the Sun's masses (1 Earth mass = 1.98892·1030 kg).
It is rather :
MassSol - mass in the Sun's masses (1 Sun mass = 1.98892·1030 kg).
And precise the luminosity it is in Sun's luminosity in the spoiler of the first post.
Quarior
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| steeljaw354 | Date: Wednesday, 14.09.2016, 22:00 | Message # 197 |
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| Ok. I have added other Planets, Moons, asteroids, etc and I have an issue with the barycenter. I changed the orbital period of Mynoa. After this is fixed I will add 2 asteroid belts and a few other things and the addon will be released.
Edited by steeljaw354 - Wednesday, 14.09.2016, 22:02 |
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| Ostarisk | Date: Wednesday, 14.09.2016, 22:10 | Message # 198 |
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| Quote steeljaw354 ( ) I changed the orbital period of Mynoa.
You're not supposed to change the period, because it will change the position within the binary system, And the two bodies are meant to be always opposite each other, as so in any other binary system.
My mods
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| steeljaw354 | Date: Wednesday, 14.09.2016, 22:13 | Message # 199 |
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| Is a 17 hour orbital period realistic? Because when I read the book it had something like a 4-5 day orbital period. At a distance of about 180,000 miles.
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| Ostarisk | Date: Wednesday, 14.09.2016, 23:09 | Message # 200 |
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Pioneer
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| Quote steeljaw354 ( ) Is a 17 hour orbital period realistic? Because when I read the book it had something like a 4-5 day orbital period. At a distance of about 180,000 miles.
In a binary system, the periods should be same for both. Also, orbital period also depends on mass.
I used this algortihm to calculate the period.
My mods
Edited by Ostarisk - Wednesday, 14.09.2016, 23:10 |
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| steeljaw354 | Date: Wednesday, 14.09.2016, 23:26 | Message # 201 |
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| I reverted the Orbital Period, it is fixed now. I tried to make it like it was in the book, but I guess the book had a few things wrong.
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| JackDole | Date: Thursday, 15.09.2016, 10:36 | Message # 202 |
 Star Engineer
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Germany
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| I think the book is right:
I have as a result of the orbital period 0.01476623608138427346 years, or 5.39325240220687485753 days.
I use the same formula as Ostarisk:
Code OrbitalPeriod = sqrt (DistAU ^ 3 / (MassSolA + MassSolB))
Don't forget to look here.
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| steeljaw354 | Date: Thursday, 15.09.2016, 10:42 | Message # 203 |
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| I guess I was right on the 17 hours was wrong, I'll update it, would it be stable in the place of the Earth and moon?
Edited by steeljaw354 - Thursday, 15.09.2016, 10:51 |
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| SpaceEngineer | Date: Thursday, 15.09.2016, 13:39 | Message # 204 |
 Author of Space Engine
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| Quote quarior14 ( ) And precise the luminosity it is in Sun's luminosity in the spoiler of the first post.
What do you mean?
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| quarior14 | Date: Thursday, 15.09.2016, 14:21 | Message # 205 |
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| SpaceEngineer, I spoke of this section but it seems to me that you edited, unless I had frowned :
Quote SpaceEngineer ( ) Lum or Luminosity - luminosity of a star in solar units.
Quarior
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| steeljaw354 | Date: Thursday, 15.09.2016, 19:29 | Message # 206 |
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| Next up: I'm going to make Anillo and Noom.
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| PlutonianEmpire | Date: Sunday, 18.09.2016, 23:23 | Message # 207 |
 Pioneer
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| I was reading up on the moment of inertia on Wikipedia, and I realized that for my custom planet Belle Hades, I did define a specific characteristic of her molten guts, describing the core as having a relative core radius to planet ratio of being 10% larger than the Earth's core radius relative to Earth's radius. However Belle Hades is smaller with a smaller mass. Do I need to input a different InertiaMoment for Belle Hades than what SpaceEngine generates?
The values I use are:
Radius: 5469.6462
Mass: 0.605434
The InertiaMoment SE generates upon export is 0.331279.
Specs: Dell Inspiron 5547 (Laptop); 8 gigabytes of RAM; Processor: Intel® Core™ i5-4210U CPU @ 1.70GHz (4 CPUs), ~2.4GHz; Operating System: Windows 7 Home Premium 64-bit; Graphics: Intel® HD Graphics 4400 (That's all there is :( )
Edited by PlutonianEmpire - Sunday, 18.09.2016, 23:28 |
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| SpaceEngineer | Date: Monday, 19.09.2016, 17:59 | Message # 208 |
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Author of Space Engine
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| PlutonianEmpire, you don't need to input ALL parameters to the script. The InertiaMoment is used to compute the initial rotation period of the planet and it's increase caused by tidal interactions with other bodies. You don't need it if you specified the rotation period in your script.
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| PlutonianEmpire | Date: Monday, 19.09.2016, 18:02 | Message # 209 |
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Pioneer
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| Nice, good to know. Thank you, SpaceEngineer! 
Specs: Dell Inspiron 5547 (Laptop); 8 gigabytes of RAM; Processor: Intel® Core™ i5-4210U CPU @ 1.70GHz (4 CPUs), ~2.4GHz; Operating System: Windows 7 Home Premium 64-bit; Graphics: Intel® HD Graphics 4400 (That's all there is :( )
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