Kaelygon

No Man's Sky Planet Search

Mar 25th, 2025 (edited)
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  1. In no man's sky I am looking for the ideal system
  2. We assume uniform probability for each arrangement.
  3.  
  4. Here's break down of the constraints
  5.  
  6. A star system can have 2-6 bodies (moons or planets combined)
  7. A planet can have 0-2 moons
  8.  
  9. ---
  10.  
  11. ## Probability that a system can have 2 moon planet
  12.  
  13. A star system must have 2-4 planets that it can have at least one 2 moon planet: P=3/5
  14.  
  15. Therefore systems with,
  16. 2 Planets has up to 4 moons
  17. 3 Planets has up to 3 moons
  18. 4 Planets has up to 2 moons
  19.  
  20. [python script]
  21.  
  22. Number of planet and moon arrangements 41
  23. Systems which have at least 1 planet with 2 moons: 18
  24. Systems which first planet has 2 moons: 7
  25.  
  26. Probability that the first planet of a system has 2 moons: P=7/41
  27. Probability that any planet in a system has 2 moons: P=18/41
  28.  
  29. ---
  30.  
  31. # Probability of having 3 random bodies with combination of specific biomes
  32.  
  33. There are 10 possible biomes in yellow systems.
  34.  
  35. I am looking for any of these 3 biomes combinations to cover the 3 different gases
  36. Radon, Nitrogen, Sulphurine
  37.  
  38. Frozen, Lush, Barren
  39. Frozen, Lush, Scroched
  40. Frozen, Lush, Volcanic
  41.  
  42. Frozen, Marsh, Barren
  43. Frozen, Marsh, Scorched
  44. Frozen, Marsh, Volcanic
  45.  
  46. Frozen, Toxic, Barren
  47. Frozen, Toxic, Scorched
  48. Frozen, Toxic, Volcanic
  49.  
  50. Irradiated, Lush, Barren
  51. Irradiated, Lush, Scroched
  52. Irradiated, Lush, Volcanic
  53.  
  54. Irradiated, Toxic, Barren
  55. Irradiated, Toxic, Scorched
  56. Irradiated, Toxic, Volcanic
  57.  
  58. Irradiated, Marsh, Barren
  59. Irradiated, Marsh, Scorched
  60. Irradiated, Marsh, Volcanic
  61.  
  62. 18 total. (10!-7!)/(3!) arrangements
  63. Probability having right combination: P=3/20
  64.  
  65.  
  66. ---
  67.  
  68. # Perfect system probability
  69.  
  70. Probability for systems that can have a planet with 2 moons : P=3/5
  71.  
  72. Probability that 3 bodies have the right combination of biomes : P=3/20
  73.  
  74. Probability that the first planet of a star system has 2 moons : P=7/41
  75. Probability that any planet in a system has 2 moons : P=18/41
  76.  
  77. P = (3/5) * (3/20) * (7/41) = 63/4100
  78. 1 in 65.1 systems
  79.  
  80.  
  81. # Good enough system probability
  82. Ignore 2 moon planet position
  83.  
  84. P = (3/5) * (3/20) * (18/41) = 162/4100
  85. 1 in 25.3 systems
  86.  
  87. ---
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