🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.4

Radius: 9.1

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.67 AU - 0.91 AU

Year: 446 Days

Day: 8.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,414,257 km

• M1: 113,246 km (0.109 R)
• M2: 414,237 km (0.077 R)
• M3: 775,515 km (0.106 R)
• M4: 1,067,830 km (0.071 R)
• M5: 1,362,089 km (0.09 R)
• M6: 1,657,844 km (0.1 R)
• M7: 2,421,840 km (0.103 R)
• M8: 3,031,002 km (0.086 R)
• M9: 3,915,126 km (0.075 R)
• M10: 4,614,496 km (0.096 R)
• M11: 5,309,677 km (0.109 R)
• M12: 6,298,370 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.3

Radius: 10.5

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.13 AU - 1.43 AU

Year: 921 Days

Day: 11 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,414,257 km

• M1: 130,599 km (0.05 R)
• M2: 563,834 km (0.068 R)
• M3: 1,103,733 km (0.107 R)
• M4: 1,472,342 km (0.115 R)
• M5: 2,455,649 km (0.084 R)
• M6: 3,239,841 km (0.101 R)
• M7: 3,889,993 km (0.115 R)
• M8: 4,326,969 km (0.1 R)
• M9: 4,710,239 km (0.07 R)
• M10: 5,079,895 km (0.11 R)
• M11: 5,431,151 km (0.076 R)
• M12: 5,958,184 km (0.119 R)
• M13: 6,454,999 km (0.043 R)
• M14: 6,867,889 km (0.09 R)
• M15: 7,206,129 km (0.118 R)
• M16: 7,940,805 km (0.096 R)
• M17: 8,750,877 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.6

Radius: 10.9

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.16 AU - 1.82 AU

Year: 1156 Days

Day: 7.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,414,257 km

• M1: 135,536 km (0.106 R)
• M2: 505,790 km (0.089 R)
• M3: 906,862 km (0.116 R)
• M4: 1,275,771 km (0.075 R)
• M5: 1,773,632 km (0.084 R)
• M6: 2,606,145 km (0.087 R)
• M7: 2,979,242 km (0.04 R)
• M8: 3,388,093 km (0.086 R)
• M9: 4,864,175 km (0.106 R)
• M10: 9,257,415 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692

Radius: 5.3

Gravity: 24.64 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.37 AU - 7.79 AU

Year: 10732 Days

Day: 21.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,414,257 km

• M1: 65,973 km (0.067 R)
• M2: 232,475 km (0.109 R)
• M3: 1,425,369 km (0.075 R)
• M4: 2,434,556 km (0.083 R)
• M5: 3,410,532 km (0.064 R)
• M6: 4,267,728 km (0.09 R)
• M7: 6,511,696 km (0.032 R)
• M8: 6,823,608 km (0.091 R)
• M9: 8,306,272 km (0.077 R)
• M10: 10,941,139 km (0.033 R)
• M11: 12,357,981 km (0.119 R)
• M12: 12,836,096 km (0.1 R)
• M13: 18,238,823 km (0.106 R)
• M14: 18,780,068 km (0.042 R)
• M15: 20,468,280 km (0.118 R)
• M16: 22,518,369 km (0.056 R)
• M17: 27,221,427 km (0.11 R)
• M18: 35,679,691 km (0.103 R)
• M19: 37,508,824 km (0.03 R)
• M20: 41,088,701 km (0.093 R)
• M21: 42,420,571 km (0.073 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: 192 - 15,125 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit