🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.88 AU - 1.16 AU

Year: 362 Days

Day: 35.5 Hours

Environment

Temp: 105 °C

Axial Tilt: 5.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 52,744,036 km

• M1: 41,588 km (0.104 R)
• M2: 672,293 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.36 AU - 2.24 AU

Year: 849 Days

Day: 28.9 Hours

Environment

Temp: -48 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.48 AU - 4.7 AU

Year: 2907 Days

Day: 27.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 46.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.9 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.3

Radius: 12.7

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.58 AU - 5.82 AU

Year: 4783 Days

Day: 11 Hours

Environment

Temp: -145 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,744,036 km

• M1: 157,975 km (0.047 R)
• M2: 745,297 km (0.054 R)
• M3: 1,260,512 km (0.057 R)
• M4: 2,458,192 km (0.085 R)
• M5: 2,969,368 km (0.101 R)
• M6: 3,446,137 km (0.099 R)
• M7: 4,148,648 km (0.069 R)
• M8: 4,555,554 km (0.085 R)
• M9: 5,193,290 km (0.053 R)
• M10: 8,583,926 km (0.103 R)
• M11: 9,079,394 km (0.094 R)
• M12: 9,559,154 km (0.105 R)
• M13: 12,423,654 km (0.11 R)
• M14: 12,887,258 km (0.118 R)
• M15: 13,318,698 km (0.114 R)
• M16: 14,393,858 km (0.11 R)
• M17: 16,463,545 km (0.114 R)
• M18: 17,074,951 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.3

Radius: 12.9

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.93 AU - 8.17 AU

Year: 7291 Days

Day: 10.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,744,036 km

• M1: 160,519 km (0.099 R)
• M2: 816,505 km (0.073 R)
• M3: 1,328,728 km (0.1 R)
• M4: 3,580,924 km (0.049 R)
• M5: 4,464,748 km (0.113 R)
• M6: 5,488,895 km (0.105 R)
• M7: 14,222,120 km (0.107 R)
• M8: 16,707,838 km (0.057 R)
• M9: 23,157,601 km (0.072 R)
• M10: 24,092,737 km (0.11 R)
• M11: 24,606,606 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.8

Radius: 11.8

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 9.67 AU - 10.51 AU

Year: 11265 Days

Day: 10.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,744,036 km

• M1: 147,504 km (0.04 R)
• M2: 522,396 km (0.08 R)
• M3: 951,293 km (0.052 R)
• M4: 1,663,528 km (0.08 R)
• M5: 2,107,086 km (0.048 R)
• M6: 3,004,524 km (0.116 R)
• M7: 4,568,569 km (0.105 R)
• M8: 5,174,740 km (0.089 R)
• M9: 6,655,011 km (0.113 R)
• M10: 7,168,580 km (0.107 R)
• M11: 8,569,116 km (0.084 R)
• M12: 10,481,575 km (0.116 R)
• M13: 11,799,382 km (0.08 R)
• M14: 16,880,325 km (0.078 R)
• M15: 18,471,896 km (0.081 R)
• M16: 18,975,592 km (0.076 R)
• M17: 20,927,097 km (0.066 R)
• M18: 21,632,750 km (0.108 R)
• M19: 22,926,472 km (0.105 R)
• M20: 24,528,815 km (0.11 R)
• M21: 32,620,264 km (0.042 R)
• M22: 33,782,341 km (0.097 R)
• M23: 35,411,462 km (0.027 R)
• M24: 36,189,221 km (0.067 R)
• M25: 36,978,499 km (0.078 R)
• M26: 37,434,623 km (0.075 R)
• M27: 38,474,628 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.7

Radius: 7

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 12.93 AU - 18.05 AU

Year: 21427 Days

Day: 17.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,744,036 km

• M1: 91,853 km (0.07 R)
• M2: 324,029 km (0.109 R)
• M3: 958,324 km (0.087 R)
• M4: 1,274,275 km (0.088 R)
• M5: 1,702,424 km (0.065 R)
• M6: 2,016,280 km (0.093 R)
• M7: 3,406,344 km (0.107 R)
• M8: 4,427,499 km (0.118 R)
• M9: 7,375,624 km (0.098 R)
• M10: 9,632,607 km (0.117 R)
• M11: 17,244,296 km (0.1 R)
• M12: 18,863,244 km (0.103 R)
• M13: 24,776,699 km (0.11 R)
• M14: 26,737,179 km (0.039 R)
• M15: 29,406,902 km (0.117 R)
• M16: 35,732,499 km (0.071 R)
• M17: 36,552,295 km (0.103 R)
• M18: 39,087,081 km (0.093 R)
• M19: 39,458,533 km (0.113 R)
• M20: 45,044,218 km (0.025 R)
• M21: 45,589,203 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.4

Radius: 5.8

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 14.61 AU - 18.53 AU

Year: 23706 Days

Day: 16.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,744,036 km

• M1: 72,256 km (0.055 R)
• M2: 321,935 km (0.089 R)
• M3: 553,063 km (0.075 R)
• M4: 865,872 km (0.071 R)
• M5: 1,687,314 km (0.086 R)
• M6: 2,761,876 km (0.106 R)
• M7: 3,196,607 km (0.088 R)
• M8: 3,597,081 km (0.115 R)
• M9: 4,201,755 km (0.057 R)
• M10: 4,620,330 km (0.076 R)
• M11: 5,933,650 km (0.12 R)
• M12: 6,345,044 km (0.113 R)
• M13: 6,977,245 km (0.095 R)
• M14: 7,350,791 km (0.093 R)
• M15: 8,505,088 km (0.104 R)
• M16: 9,223,457 km (0.102 R)
• M17: 12,564,725 km (0.112 R)
• M18: 12,747,235 km (0.088 R)
• M19: 14,074,766 km (0.096 R)
• M20: 18,923,981 km (0.096 R)
• M21: 19,163,936 km (0.036 R)
• M22: 19,649,980 km (0.028 R)
• M23: 26,140,134 km (0.096 R)
• M24: 34,399,133 km (0.115 R)
• M25: 35,600,703 km (0.106 R)
• M26: 36,581,915 km (0.093 R)
• M27: 38,984,158 km (0.09 R)
• M28: 39,372,813 km (0.114 R)
• M29: 39,764,161 km (0.068 R)
• M30: 41,759,498 km (0.08 R)
• M31: 43,820,507 km (0.098 R)
• M32: 46,818,598 km (0.119 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 13,213 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit