🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.4

Radius: 10.6

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.47 AU - 0.75 AU

Year: 323 Days

Day: 9.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,364,882 km

• M1: 131,945 km (0.09 R)
• M2: 508,633 km (0.112 R)
• M3: 869,762 km (0.088 R)
• M4: 1,282,203 km (0.073 R)
• M5: 1,753,586 km (0.08 R)
• M6: 2,096,165 km (0.094 R)
• M7: 2,550,195 km (0.096 R)
• M8: 3,165,790 km (0.079 R)
• M9: 3,833,146 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.8

Radius: 13

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.63 AU - 0.73 AU

Year: 380 Days

Day: 7.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 166.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,364,882 km

• M1: 161,715 km (0.117 R)
• M2: 595,848 km (0.074 R)
• M3: 1,113,607 km (0.119 R)
• M4: 1,708,856 km (0.089 R)
• M5: 2,171,862 km (0.051 R)
• M6: 2,867,342 km (0.088 R)
• M7: 3,323,915 km (0.055 R)
• M8: 4,146,255 km (0.103 R)
• M9: 4,662,367 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.6

Radius: 13.5

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.31 AU - 1.83 AU

Year: 1334 Days

Day: 5.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,364,882 km

• M1: 167,998 km (0.037 R)
• M2: 599,588 km (0.049 R)
• M3: 1,080,246 km (0.097 R)
• M4: 2,053,380 km (0.114 R)
• M5: 2,716,847 km (0.091 R)
• M6: 3,695,666 km (0.072 R)
• M7: 4,161,364 km (0.091 R)
• M8: 5,500,714 km (0.08 R)
• M9: 6,131,867 km (0.087 R)
• M10: 6,698,245 km (0.042 R)
• M11: 7,515,498 km (0.108 R)
• M12: 9,433,941 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.6

Radius: 4.9

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.04 AU - 7.9 AU

Year: 11162 Days

Day: 16.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 34,364,882 km

• M1: 61,186 km (0.079 R)
• M2: 296,204 km (0.077 R)
• M3: 629,807 km (0.041 R)
• M4: 941,569 km (0.081 R)
• M5: 1,316,312 km (0.098 R)
• M6: 1,469,649 km (0.098 R)
• M7: 1,973,196 km (0.098 R)
• M8: 2,175,153 km (0.073 R)
• M9: 2,548,400 km (0.084 R)
• M10: 3,023,074 km (0.113 R)
• M11: 3,854,688 km (0.088 R)
• M12: 4,047,520 km (0.118 R)
• M13: 4,246,784 km (0.118 R)
• M14: 4,505,140 km (0.106 R)
• M15: 5,110,413 km (0.114 R)
• M16: 5,284,545 km (0.117 R)
• M17: 7,847,306 km (0.086 R)
• M18: 8,885,964 km (0.031 R)
• M19: 10,564,153 km (0.118 R)
• M20: 10,942,635 km (0.118 R)
• M21: 13,025,487 km (0.085 R)
• M22: 15,600,066 km (0.046 R)
• M23: 16,339,977 km (0.108 R)
• M24: 27,653,615 km (0.094 R)
• M25: 28,101,062 km (0.05 R)
• M26: 30,600,992 km (0.101 R)
• M27: 31,175,897 km (0.113 R)
• M28: 31,953,806 km (0.087 R)
• M29: 32,347,548 km (0.041 R)
• M30: 32,744,431 km (0.093 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: 171 - 12,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit