🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.5

Radius: 13.2

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.78 AU - 0.86 AU

Year: 472 Days

Day: 11.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,204,356 km

• M1: 164,258 km (0.077 R)
• M2: 588,368 km (0.116 R)
• M3: 1,357,301 km (0.078 R)
• M4: 2,042,310 km (0.116 R)
• M5: 2,564,556 km (0.1 R)
• M6: 3,108,345 km (0.069 R)
• M7: 3,568,657 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.9

Radius: 14.8

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.79 AU - 1.05 AU

Year: 561 Days

Day: 14.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,204,356 km

• M1: 188,793 km (0.098 R)
• M2: 1,150,707 km (0.107 R)
• M3: 1,727,556 km (0.103 R)
• M4: 2,399,699 km (0.09 R)
• M5: 3,551,603 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.4

Radius: 14

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.16 AU - 2.18 AU

Year: 2032 Days

Day: 10.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,204,356 km

• M1: 174,132 km (0.039 R)
• M2: 696,677 km (0.089 R)
• M3: 1,189,901 km (0.115 R)
• M4: 3,997,704 km (0.099 R)
• M5: 5,134,648 km (0.064 R)
• M6: 5,598,252 km (0.11 R)
• M7: 6,389,774 km (0.059 R)
• M8: 7,941,253 km (0.106 R)
• M9: 9,051,868 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.3

Radius: 14.2

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.15 AU - 4.47 AU

Year: 4728 Days

Day: 9.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,204,356 km

• M1: 176,675 km (0.102 R)
• M2: 672,592 km (0.059 R)
• M3: 1,649,017 km (0.054 R)
• M4: 2,428,123 km (0.108 R)
• M5: 3,334,237 km (0.103 R)
• M6: 4,399,973 km (0.09 R)
• M7: 5,704,017 km (0.079 R)
• M8: 6,691,064 km (0.104 R)
• M9: 7,304,565 km (0.117 R)
• M10: 8,853,352 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 394.4

Radius: 3.4

Gravity: 34.12 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.08 AU - 11.56 AU

Year: 18091 Days

Day: 15.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,204,356 km

• M1: 42,486 km (0.043 R)
• M2: 241,900 km (0.116 R)
• M3: 638,484 km (0.087 R)
• M4: 829,819 km (0.074 R)
• M5: 1,607,878 km (0.065 R)
• M6: 2,514,142 km (0.041 R)
• M7: 2,872,130 km (0.079 R)
• M8: 3,524,825 km (0.043 R)
• M9: 7,088,246 km (0.091 R)
• M10: 7,661,655 km (0.095 R)
• M11: 8,170,437 km (0.079 R)
• M12: 15,697,155 km (0.089 R)
• M13: 16,440,058 km (0.09 R)
• M14: 17,519,257 km (0.11 R)
• M15: 19,732,109 km (0.03 R)
• M16: 19,903,099 km (0.098 R)
• M17: 21,217,017 km (0.099 R)
• M18: 22,868,727 km (0.095 R)
• M19: 25,001,245 km (0.117 R)
• M20: 39,540,512 km (0.045 R)
• M21: 39,948,615 km (0.113 R)
• M22: 43,315,315 km (0.038 R)
• M23: 51,895,950 km (0.096 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 15,680 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit