🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.4

Radius: 10.6

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.14 AU - 1.58 AU

Year: 1076 Days

Day: 9.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,620,721 km

• M1: 131,796 km (0.107 R)
• M2: 463,753 km (0.086 R)
• M3: 906,713 km (0.113 R)
• M4: 1,258,417 km (0.073 R)
• M5: 1,592,469 km (0.081 R)
• M6: 2,106,936 km (0.115 R)
• M7: 2,456,397 km (0.092 R)
• M8: 2,787,008 km (0.081 R)
• M9: 3,147,539 km (0.117 R)
• M10: 3,552,949 km (0.109 R)
• M11: 3,948,935 km (0.037 R)
• M12: 5,895,652 km (0.098 R)
• M13: 6,290,291 km (0.087 R)
• M14: 6,639,453 km (0.112 R)
• M15: 6,980,087 km (0.112 R)
• M16: 7,812,749 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.7

Radius: 14.5

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.97 AU - 2.59 AU

Year: 2335 Days

Day: 15 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,620,721 km

• M1: 180,415 km (0.106 R)
• M2: 709,842 km (0.083 R)
• M3: 1,178,382 km (0.07 R)
• M4: 2,175,602 km (0.058 R)
• M5: 3,592,593 km (0.109 R)
• M6: 4,467,142 km (0.086 R)
• M7: 5,323,440 km (0.082 R)
• M8: 6,550,592 km (0.117 R)
• M9: 7,857,479 km (0.112 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.9

Radius: 3.5

Gravity: 33.54 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.87 AU - 6.77 AU

Year: 9523 Days

Day: 22.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,620,721 km

• M1: 45,627 km (0.091 R)
• M2: 200,611 km (0.097 R)
• M3: 512,971 km (0.109 R)
• M4: 1,067,530 km (0.048 R)
• M5: 1,606,980 km (0.059 R)
• M6: 2,757,089 km (0.077 R)
• M7: 3,534,399 km (0.108 R)
• M8: 3,973,319 km (0.099 R)
• M9: 4,153,585 km (0.105 R)
• M10: 4,339,086 km (0.113 R)
• M11: 6,981,433 km (0.107 R)
• M12: 8,359,978 km (0.081 R)
• M13: 8,741,752 km (0.053 R)
• M14: 10,098,604 km (0.095 R)
• M15: 14,390,268 km (0.11 R)
• M16: 14,693,054 km (0.116 R)
• M17: 16,010,712 km (0.097 R)
• M18: 16,140,114 km (0.102 R)
• M19: 18,878,503 km (0.106 R)
• M20: 22,880,246 km (0.104 R)
• M21: 29,014,357 km (0.056 R)
• M22: 31,787,453 km (0.045 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.6

Radius: 5.1

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.19 AU - 7.85 AU

Year: 11292 Days

Day: 15.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 90,620,721 km

• M1: 63,429 km (0.094 R)
• M2: 305,628 km (0.03 R)
• M3: 1,501,963 km (0.105 R)
• M4: 2,216,442 km (0.062 R)
• M5: 4,599,237 km (0.105 R)
• M6: 10,524,210 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.5

Radius: 6.5

Gravity: 19.28 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 9.43 AU - 12.03 AU

Year: 23839 Days

Day: 20.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 90,620,721 km

• M1: 103,522 km (0.063 R)
• M2: 451,636 km (0.056 R)
• M3: 682,465 km (0.095 R)
• M4: 968,197 km (0.113 R)
• M5: 1,564,495 km (0.09 R)
• M6: 2,089,733 km (0.093 R)
• M7: 2,599,413 km (0.08 R)
• M8: 3,962,698 km (0.095 R)
• M9: 4,970,838 km (0.106 R)
• M10: 6,412,662 km (0.115 R)
• M11: 7,793,451 km (0.113 R)
• M12: 8,059,286 km (0.109 R)
• M13: 9,722,964 km (0.075 R)
• M14: 11,398,311 km (0.117 R)
• M15: 11,672,075 km (0.059 R)
• M16: 11,950,327 km (0.093 R)
• M17: 12,232,917 km (0.119 R)
• M18: 12,958,916 km (0.112 R)
• M19: 15,726,925 km (0.106 R)
• M20: 17,203,606 km (0.038 R)
• M21: 19,345,548 km (0.089 R)
• M22: 23,044,954 km (0.086 R)
• M23: 41,900,269 km (0.077 R)
• M24: 47,664,724 km (0.108 R)
• M25: 48,375,912 km (0.075 R)
• M26: 51,663,475 km (0.112 R)
• M27: 52,413,708 km (0.115 R)
• M28: 57,669,231 km (0.093 R)
• M29: 60,113,810 km (0.076 R)
• M30: 71,044,029 km (0.089 R)
• M31: 87,665,699 km (0.04 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 18,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit