Friday, March 10, 2023

Better star system builder

9 March 2023- Yet Another Star System!

Based on Artifexian- 'Star System' , a so-called 'classical' system, the way we used to world-build in the eighties when we used to make pale copies of the solar system. This is before 'hot jupiters' and 'hot neptunes', when gas and ice giants formed in the outer system, beyond the 'frost line', where most of the gas, hydrogen and helium, are. We also know that the solar system is missing rockballs or gas midgets between Earth mass and ice giant mass.

The page is going to generate a procedural star system from a seed. Input a seed, please (the default is tau, or 2 pi), or click the button for a random seed number. And hit 'new star system' for a new star system...

Seed: 6.283185307179586, current pseudo-random # 0.6282746310002949

The way I turn my random number into a star mass, about 20.61% of the time we would get a brown dwarf this way. Therefore, there are a lot of them...

The star mass is 0.2 sols, and luminosity is 0.0035 sols, goldilocks is 0.05 AU
The inner limit is 0.02 AU
The outer limit is 8 AU
The frost line is 0.29 AU
This is where we start 'building' the system, at the point where gas giants snow-ball into being...

Orbit #1, 0.06 AU, year: 25.56 days, 0.13 Earth masses, in the goldilocks
Orbit #2, 0.13 AU, year: 84 days (or years), 0.01 Earth masses
Orbit #3, 0.18 AU, year: 138.79 days (or years), 0.04 Earth masses
Orbit #4, 0.25 AU, year: 226.45 days (or years), 0.17 Earth masses
Orbit #5, 0.39 AU, year: 441.95 days (or years), 3.01 Earth masses
Orbit #6, 0.62 AU, year: 891.21 days (or years), 2.01 Earth masses
Orbit #7, 1.06 AU, year: 5.45 days (or years), 3.49 Earth masses
Orbit #8, 1.73 AU, year: 11.37 days (or years), 8.98 Earth masses
Orbit #9, 3.01 AU, year: 26.11 days (or years), 27.81 Earth masses
Orbit #10, 4.97 AU, year: 55.39 days (or years), 21.26 Earth masses

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