🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.9

Radius: 14.6

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.7 AU - 0.7 AU

Year: 391 Days

Day: 14.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,752,949 km

• M1: 184,604 km (0.108 R)
• M2: 685,009 km (0.112 R)
• M3: 1,158,187 km (0.099 R)
• M4: 1,861,446 km (0.107 R)
• M5: 3,122,407 km (0.108 R)
• M6: 3,860,672 km (0.072 R)
• M7: 4,535,957 km (0.085 R)
• M8: 5,420,080 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.8

Radius: 11.4

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.27 AU - 1.83 AU

Year: 1287 Days

Day: 12.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,752,949 km

• M1: 143,165 km (0.074 R)
• M2: 500,854 km (0.103 R)
• M3: 873,352 km (0.089 R)
• M4: 1,364,183 km (0.045 R)
• M5: 1,782,159 km (0.086 R)
• M6: 2,177,846 km (0.118 R)
• M7: 2,556,179 km (0.082 R)
• M8: 2,966,675 km (0.119 R)
• M9: 3,474,560 km (0.109 R)
• M10: 4,282,837 km (0.095 R)
• M11: 4,698,869 km (0.108 R)
• M12: 6,033,133 km (0.118 R)
• M13: 6,767,060 km (0.101 R)
• M14: 7,378,167 km (0.098 R)
• M15: 8,049,712 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604

Radius: 8.6

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3 AU - 4.48 AU

Year: 4823 Days

Day: 11 Hours

Environment

Temp: -210 °C

Axial Tilt: 97.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,752,949 km

• M1: 107,262 km (0.108 R)
• M2: 511,026 km (0.11 R)
• M3: 1,223,561 km (0.119 R)
• M4: 1,521,859 km (0.029 R)
• M5: 2,865,996 km (0.118 R)
• M6: 3,339,623 km (0.108 R)
• M7: 3,998,601 km (0.053 R)
• M8: 4,419,420 km (0.12 R)
• M9: 4,921,321 km (0.058 R)
• M10: 5,213,336 km (0.077 R)
• M11: 6,530,695 km (0.104 R)
• M12: 7,984,487 km (0.075 R)
• M13: 9,891,112 km (0.064 R)
• M14: 10,400,792 km (0.099 R)
• M15: 12,083,020 km (0.039 R)
• M16: 14,364,238 km (0.109 R)
• M17: 16,384,707 km (0.107 R)
• M18: 17,098,438 km (0.025 R)
• M19: 17,463,008 km (0.112 R)
• M20: 18,908,572 km (0.114 R)
• M21: 19,893,375 km (0.064 R)
• M22: 21,398,928 km (0.042 R)
• M23: 24,252,208 km (0.094 R)
• M24: 26,369,916 km (0.113 R)
• M25: 28,100,165 km (0.078 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.2

Radius: 7.4

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 9.96 AU - 12.05 AU

Year: 24329 Days

Day: 20.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,752,949 km

• M1: 92,302 km (0.106 R)
• M2: 652,097 km (0.096 R)
• M3: 1,072,766 km (0.114 R)
• M4: 4,679,870 km (0.067 R)
• M5: 5,357,549 km (0.108 R)
• M6: 6,953,758 km (0.081 R)
• M7: 8,409,046 km (0.079 R)
• M8: 11,246,170 km (0.096 R)
• M9: 11,508,115 km (0.087 R)
• M10: 12,879,329 km (0.036 R)
• M11: 14,509,946 km (0.108 R)
• M12: 17,206,897 km (0.062 R)
• M13: 20,511,065 km (0.052 R)
• M14: 25,430,441 km (0.098 R)
• M15: 36,080,912 km (0.086 R)
• M16: 36,365,447 km (0.118 R)
• M17: 36,651,329 km (0.119 R)
• M18: 60,620,498 km (0.034 R)
• M19: 66,414,274 km (0.11 R)
• M20: 74,161,648 km (0.027 R)
• M21: 77,895,611 km (0.133 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 17,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit