🌌 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: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.9

Radius: 10.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.53 AU - 0.71 AU

Year: 326 Days

Day: 12.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,549,835 km

• M1: 128,205 km (0.084 R)
• M2: 457,919 km (0.096 R)
• M3: 801,246 km (0.076 R)
• M4: 1,280,408 km (0.078 R)
• M5: 1,646,773 km (0.12 R)
• M6: 3,024,719 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.1

Radius: 12.1

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.63 AU - 0.81 AU

Year: 407 Days

Day: 12.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 67,549,835 km

• M1: 150,495 km (0.103 R)
• M2: 534,513 km (0.105 R)
• M3: 1,227,151 km (0.085 R)
• M4: 1,782,309 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.5

Radius: 9.1

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.02 AU - 3.42 AU

Year: 3853 Days

Day: 12.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,549,835 km

• M1: 113,545 km (0.107 R)
• M2: 488,138 km (0.079 R)
• M3: 907,760 km (0.073 R)
• M4: 1,260,661 km (0.104 R)
• M5: 1,561,353 km (0.111 R)
• M6: 2,266,258 km (0.058 R)
• M7: 2,700,092 km (0.068 R)
• M8: 3,265,572 km (0.116 R)
• M9: 3,952,376 km (0.115 R)
• M10: 4,485,692 km (0.116 R)
• M11: 6,134,560 km (0.062 R)
• M12: 7,245,025 km (0.12 R)
• M13: 7,972,669 km (0.11 R)
• M14: 9,213,583 km (0.098 R)
• M15: 11,885,252 km (0.033 R)
• M16: 14,279,715 km (0.072 R)
• M17: 14,816,173 km (0.036 R)
• M18: 17,580,891 km (0.049 R)
• M19: 19,213,453 km (0.103 R)
• M20: 22,705,366 km (0.084 R)
• M21: 24,258,641 km (0.091 R)
• M22: 26,438,282 km (0.049 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.1

Radius: 4.3

Gravity: 47.65 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.43 AU - 9.33 AU

Year: 14751 Days

Day: 17.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,549,835 km

• M1: 53,556 km (0.113 R)
• M2: 626,516 km (0.12 R)
• M3: 1,253,481 km (0.117 R)
• M4: 1,665,772 km (0.109 R)
• M5: 2,898,010 km (0.089 R)
• M6: 3,047,757 km (0.059 R)
• M7: 3,228,920 km (0.117 R)
• M8: 3,528,116 km (0.09 R)
• M9: 3,698,957 km (0.041 R)
• M10: 3,935,322 km (0.119 R)
• M11: 4,119,177 km (0.073 R)
• M12: 5,162,024 km (0.119 R)
• M13: 11,406,090 km (0.088 R)
• M14: 12,162,756 km (0.089 R)
• M15: 16,690,784 km (0.105 R)
• M16: 18,419,088 km (0.114 R)
• M17: 22,034,420 km (0.111 R)
• M18: 22,614,561 km (0.057 R)
• M19: 29,565,925 km (0.061 R)
• M20: 31,593,724 km (0.069 R)
• M21: 57,923,099 km (0.116 R)
• M22: 62,613,142 km (0.1 R)
• M23: 67,145,658 km (0.117 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 18,656 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit