🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.3

Radius: 12.8

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.06 AU - 1.7 AU

Year: 1081 Days

Day: 10.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,159,244 km

• M1: 185,202 km (0.055 R)
• M2: 707,299 km (0.096 R)
• M3: 1,210,097 km (0.105 R)
• M4: 1,672,953 km (0.051 R)
• M5: 2,317,121 km (0.077 R)
• M6: 3,470,970 km (0.096 R)
• M7: 4,345,519 km (0.077 R)
• M8: 5,361,737 km (0.076 R)
• M9: 6,171,361 km (0.107 R)
• M10: 7,407,189 km (0.05 R)
• M11: 8,133,786 km (0.107 R)
• M12: 9,068,025 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.2

Radius: 14.1

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.62 AU - 4.2 AU

Year: 5156 Days

Day: 14.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,159,244 km

• M1: 175,478 km (0.082 R)
• M2: 899,233 km (0.049 R)
• M3: 1,450,950 km (0.031 R)
• M4: 2,260,873 km (0.115 R)
• M5: 3,253,305 km (0.049 R)
• M6: 4,072,802 km (0.05 R)
• M7: 4,728,041 km (0.118 R)
• M8: 5,570,875 km (0.115 R)
• M9: 6,678,647 km (0.072 R)
• M10: 7,519,836 km (0.062 R)
• M11: 8,042,382 km (0.082 R)
• M12: 8,995,021 km (0.106 R)
• M13: 9,541,801 km (0.055 R)
• M14: 10,200,032 km (0.062 R)
• M15: 12,155,425 km (0.107 R)
• M16: 12,667,948 km (0.115 R)
• M17: 18,823,302 km (0.098 R)
• M18: 20,072,145 km (0.088 R)
• M19: 20,862,171 km (0.11 R)
• M20: 24,962,798 km (0.065 R)
• M21: 31,354,517 km (0.062 R)
• M22: 32,223,232 km (0.117 R)

Planet 3 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.8

Radius: 5.3

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.94 AU - 10.62 AU

Year: 21980 Days

Day: 15 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,159,244 km

• M1: 65,973 km (0.101 R)
• M2: 250,427 km (0.095 R)
• M3: 717,920 km (0.072 R)
• M4: 1,677,740 km (0.111 R)
• M5: 2,442,933 km (0.069 R)
• M6: 3,293,547 km (0.07 R)
• M7: 5,664,523 km (0.071 R)
• M8: 6,884,943 km (0.074 R)
• M9: 12,898,029 km (0.086 R)
• M10: 13,273,520 km (0.096 R)
• M11: 16,471,773 km (0.045 R)
• M12: 22,761,466 km (0.109 R)
• M13: 36,456,403 km (0.115 R)
• M14: 38,608,817 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.4

Radius: 6.2

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 8.29 AU - 13.11 AU

Year: 23340 Days

Day: 21.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,159,244 km

• M1: 87,515 km (0.049 R)
• M2: 337,642 km (0.106 R)
• M3: 697,724 km (0.1 R)
• M4: 4,906,810 km (0.08 R)
• M5: 5,865,583 km (0.107 R)
• M6: 12,838,788 km (0.056 R)
• M7: 13,887,320 km (0.119 R)
• M8: 16,452,774 km (0.106 R)
• M9: 25,910,501 km (0.059 R)
• M10: 38,848,921 km (0.11 R)
• M11: 46,686,354 km (0.051 R)
• M12: 48,681,391 km (0.086 R)
• M13: 50,254,263 km (0.055 R)
• M14: 53,666,890 km (0.073 R)
• M15: 55,175,584 km (0.084 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 10,599 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit