🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.1

Radius: 13.9

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.41 AU - 0.63 AU

Year: 250 Days

Day: 9.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,713,364 km

• M1: 173,085 km (0.091 R)
• M2: 699,968 km (0.088 R)
• M3: 1,167,462 km (0.095 R)
• M4: 1,646,025 km (0.115 R)
• M5: 2,098,858 km (0.116 R)
• M6: 2,670,920 km (0.091 R)
• M7: 3,346,355 km (0.074 R)
• M8: 3,877,278 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.9

Radius: 9.4

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.52 AU - 0.6 AU

Year: 279 Days

Day: 11.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,713,364 km

• M1: 116,836 km (0.106 R)
• M2: 423,960 km (0.036 R)
• M3: 716,574 km (0.116 R)
• M4: 1,024,147 km (0.026 R)
• M5: 1,340,397 km (0.074 R)
• M6: 1,844,093 km (0.079 R)
• M7: 2,513,843 km (0.111 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.2

Radius: 5.8

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.97 AU - 9.83 AU

Year: 14807 Days

Day: 24 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,713,364 km

• M1: 72,106 km (0.079 R)
• M2: 384,167 km (0.056 R)
• M3: 988,842 km (0.096 R)
• M4: 1,613,413 km (0.106 R)
• M5: 2,011,194 km (0.067 R)
• M6: 4,035,702 km (0.063 R)
• M7: 4,307,072 km (0.117 R)
• M8: 4,561,688 km (0.09 R)
• M9: 5,715,536 km (0.111 R)
• M10: 6,414,457 km (0.119 R)
• M11: 10,176,545 km (0.098 R)
• M12: 12,066,564 km (0.053 R)
• M13: 15,584,209 km (0.08 R)
• M14: 17,150,199 km (0.115 R)
• M15: 19,422,740 km (0.081 R)
• M16: 23,067,692 km (0.116 R)
• M17: 28,800,582 km (0.067 R)
• M18: 34,509,835 km (0.078 R)
• M19: 38,708,000 km (0.118 R)
• M20: 38,950,798 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.9

Radius: 6.1

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.55 AU - 8.31 AU

Year: 14892 Days

Day: 20.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,713,364 km

• M1: 76,295 km (0.115 R)
• M2: 343,178 km (0.112 R)
• M3: 560,992 km (0.119 R)
• M4: 754,572 km (0.025 R)
• M5: 1,173,296 km (0.038 R)
• M6: 1,689,858 km (0.099 R)
• M7: 2,052,184 km (0.113 R)
• M8: 2,252,046 km (0.058 R)
• M9: 2,670,322 km (0.088 R)
• M10: 3,186,285 km (0.038 R)
• M11: 4,534,760 km (0.057 R)
• M12: 5,436,985 km (0.107 R)
• M13: 7,253,103 km (0.084 R)
• M14: 8,667,102 km (0.095 R)
• M15: 8,903,467 km (0.117 R)
• M16: 11,285,364 km (0.076 R)
• M17: 13,297,605 km (0.113 R)
• M18: 16,169,435 km (0.119 R)
• M19: 18,401,735 km (0.101 R)
• M20: 19,917,012 km (0.075 R)
• M21: 21,773,372 km (0.061 R)
• M22: 23,284,609 km (0.091 R)
• M23: 27,214,396 km (0.119 R)
• M24: 28,965,888 km (0.04 R)
• M25: 29,494,866 km (0.06 R)
• M26: 35,868,633 km (0.104 R)
• M27: 38,732,385 km (0.041 R)
• M28: 45,904,406 km (0.035 R)
• M29: 47,496,127 km (0.104 R)
• M30: 51,558,607 km (0.039 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 12,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit