🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.1 AU - 1.16 AU

Year: 460 Days

Day: 35.3 Hours

Environment

Temp: -10 °C

Axial Tilt: 49.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.5 AU - 2.1 AU

Year: 925 Days

Day: 40 Hours

Environment

Temp: -71 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.98 AU - 4.12 AU

Year: 2561 Days

Day: 34.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 85,467,836 km

• M1: 38,297 km (0.039 R)
• M2: 1,196,185 km (0.109 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.41 AU - 3.89 AU

Year: 2670 Days

Day: 31.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.17 AU - 4.29 AU

Year: 2758 Days

Day: 28.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.5

Radius: 12.9

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.49 AU - 6.69 AU

Year: 5754 Days

Day: 6.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,467,836 km

• M1: 160,369 km (0.093 R)
• M2: 981,512 km (0.065 R)
• M3: 1,427,912 km (0.107 R)
• M4: 1,876,256 km (0.055 R)
• M5: 2,463,129 km (0.088 R)
• M6: 3,015,594 km (0.091 R)
• M7: 3,907,646 km (0.073 R)
• M8: 5,065,085 km (0.081 R)
• M9: 7,306,360 km (0.057 R)
• M10: 8,420,715 km (0.093 R)
• M11: 8,982,903 km (0.114 R)
• M12: 10,538,721 km (0.06 R)
• M13: 11,150,726 km (0.077 R)
• M14: 13,887,021 km (0.077 R)
• M15: 14,623,042 km (0.102 R)
• M16: 16,173,175 km (0.086 R)
• M17: 17,716,427 km (0.067 R)
• M18: 20,150,534 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.6

Radius: 9.5

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.23 AU - 7.05 AU

Year: 6551 Days

Day: 13.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,467,836 km

• M1: 118,182 km (0.12 R)
• M2: 826,379 km (0.111 R)
• M3: 1,206,956 km (0.082 R)
• M4: 1,690,456 km (0.096 R)
• M5: 2,711,761 km (0.054 R)
• M6: 3,570,153 km (0.113 R)
• M7: 4,682,264 km (0.029 R)
• M8: 7,574,888 km (0.089 R)
• M9: 8,492,821 km (0.098 R)
• M10: 8,957,173 km (0.108 R)
• M11: 9,890,663 km (0.071 R)
• M12: 10,215,889 km (0.102 R)
• M13: 11,846,506 km (0.115 R)
• M14: 16,768,126 km (0.068 R)
• M15: 22,502,063 km (0.077 R)
• M16: 22,984,516 km (0.107 R)
• M17: 23,804,013 km (0.108 R)
• M18: 25,588,267 km (0.114 R)
• M19: 27,551,290 km (0.104 R)
• M20: 28,196,356 km (0.103 R)
• M21: 33,204,145 km (0.113 R)
• M22: 35,427,917 km (0.108 R)
• M23: 37,187,637 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.4

Radius: 11

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.38 AU - 7.1 AU

Year: 6700 Days

Day: 12 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,467,836 km

• M1: 136,882 km (0.068 R)
• M2: 673,490 km (0.096 R)
• M3: 2,687,526 km (0.111 R)
• M4: 6,161,488 km (0.106 R)
• M5: 10,621,748 km (0.055 R)
• M6: 11,432,868 km (0.106 R)
• M7: 13,890,611 km (0.088 R)
• M8: 19,755,147 km (0.114 R)
• M9: 22,641,787 km (0.068 R)
• M10: 24,145,096 km (0.088 R)
• M11: 31,402,388 km (0.116 R)
• M12: 33,773,514 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409.1

Radius: 3.5

Gravity: 33.4 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 12.75 AU - 13.41 AU

Year: 18113 Days

Day: 20.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,467,836 km

• M1: 55,202 km (0.1 R)
• M2: 284,386 km (0.083 R)
• M3: 614,548 km (0.089 R)
• M4: 1,072,766 km (0.079 R)
• M5: 1,582,147 km (0.056 R)
• M6: 1,727,407 km (0.069 R)
• M7: 2,317,121 km (0.108 R)
• M8: 2,462,082 km (0.119 R)
• M9: 2,816,629 km (0.115 R)
• M10: 3,153,822 km (0.115 R)
• M11: 4,452,332 km (0.117 R)
• M12: 4,579,939 km (0.054 R)
• M13: 5,045,338 km (0.106 R)
• M14: 5,219,021 km (0.094 R)
• M15: 8,568,517 km (0.085 R)
• M16: 9,170,200 km (0.12 R)
• M17: 14,817,220 km (0.104 R)
• M18: 15,977,352 km (0.09 R)
• M19: 18,476,534 km (0.102 R)
• M20: 23,744,922 km (0.062 R)
• M21: 26,457,879 km (0.05 R)
• M22: 26,876,604 km (0.048 R)
• M23: 28,376,921 km (0.088 R)
• M24: 29,706,547 km (0.084 R)
• M25: 30,615,653 km (0.106 R)
• M26: 36,592,238 km (0.105 R)
• M27: 56,109,823 km (0.09 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931

Radius: 4.8

Gravity: 40.41 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 12.89 AU - 15.45 AU

Year: 20423 Days

Day: 20.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 85,467,836 km

• M1: 68,067 km (0.082 R)
• M2: 269,875 km (0.093 R)
• M3: 828,323 km (0.041 R)
• M4: 1,285,195 km (0.1 R)
• M5: 1,526,497 km (0.088 R)
• M6: 1,934,600 km (0.118 R)
• M7: 2,482,876 km (0.095 R)
• M8: 3,536,494 km (0.12 R)
• M9: 5,860,347 km (0.106 R)
• M10: 6,297,472 km (0.078 R)
• M11: 8,264,983 km (0.087 R)
• M12: 8,870,555 km (0.072 R)
• M13: 11,322,614 km (0.041 R)
• M14: 14,038,264 km (0.099 R)
• M15: 14,347,184 km (0.067 R)
• M16: 14,898,602 km (0.083 R)
• M17: 15,058,671 km (0.114 R)
• M18: 16,983,697 km (0.037 R)
• M19: 17,779,707 km (0.118 R)
• M20: 18,879,251 km (0.112 R)
• M21: 21,112,149 km (0.11 R)
• M22: 22,344,088 km (0.114 R)
• M23: 24,170,378 km (0.118 R)
• M24: 27,033,382 km (0.076 R)
• M25: 30,757,621 km (0.114 R)
• M26: 34,249,834 km (0.049 R)
• M27: 34,809,629 km (0.108 R)
• M28: 39,815,922 km (0.115 R)
• M29: 40,279,376 km (0.114 R)
• M30: 40,590,241 km (0.102 R)
• M31: 40,746,421 km (0.084 R)
• M32: 50,681,515 km (0.117 R)
• M33: 53,442,044 km (0.033 R)
• M34: 53,629,490 km (0.042 R)
• M35: 56,689,964 km (0.089 R)
• M36: 62,738,205 km (0.106 R)
• M37: 64,208,902 km (0.07 R)
• M38: 74,682,698 km (0.084 R)
• M39: 83,939,664 km (0.112 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 18,951 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit