🌌 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: 229.3

Radius: 13.7

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.54 AU - 0.7 AU

Year: 326 Days

Day: 8.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 40,838,861 km

• M1: 188,493 km (0.028 R)
• M2: 620,981 km (0.099 R)
• M3: 1,832,873 km (0.104 R)
• M4: 2,535,534 km (0.11 R)
• M5: 3,048,655 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.9

Radius: 8.4

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.67 AU - 1.05 AU

Year: 532 Days

Day: 7.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,838,861 km

• M1: 105,167 km (0.1 R)
• M2: 411,095 km (0.062 R)
• M3: 781,798 km (0.117 R)
• M4: 1,228,049 km (0.11 R)
• M5: 1,592,021 km (0.036 R)
• M6: 1,873,713 km (0.091 R)
• M7: 2,937,653 km (0.059 R)
• M8: 3,654,078 km (0.097 R)
• M9: 4,098,234 km (0.095 R)
• M10: 4,947,650 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.4

Radius: 12.2

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.53 AU - 2.19 AU

Year: 1692 Days

Day: 5.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 151.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,838,861 km

• M1: 151,692 km (0.064 R)
• M2: 564,134 km (0.071 R)
• M3: 993,330 km (0.118 R)
• M4: 1,414,298 km (0.1 R)
• M5: 1,819,708 km (0.101 R)
• M6: 2,378,307 km (0.034 R)
• M7: 2,812,590 km (0.062 R)
• M8: 3,206,032 km (0.096 R)
• M9: 4,547,027 km (0.078 R)
• M10: 5,429,655 km (0.081 R)
• M11: 7,534,198 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.6

Radius: 5

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.21 AU - 9.95 AU

Year: 15316 Days

Day: 16.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,838,861 km

• M1: 62,233 km (0.075 R)
• M2: 292,165 km (0.086 R)
• M3: 450,738 km (0.103 R)
• M4: 625,917 km (0.102 R)
• M5: 919,429 km (0.106 R)
• M6: 1,449,155 km (0.102 R)
• M7: 4,135,633 km (0.056 R)
• M8: 4,771,873 km (0.094 R)
• M9: 4,948,099 km (0.059 R)
• M10: 5,828,782 km (0.108 R)
• M11: 6,518,727 km (0.106 R)
• M12: 7,033,045 km (0.098 R)
• M13: 7,814,245 km (0.049 R)
• M14: 8,059,436 km (0.059 R)
• M15: 9,227,047 km (0.116 R)
• M16: 11,520,831 km (0.118 R)
• M17: 11,679,106 km (0.097 R)
• M18: 18,103,886 km (0.048 R)
• M19: 19,938,554 km (0.083 R)
• M20: 23,972,610 km (0.12 R)
• M21: 28,808,511 km (0.092 R)
• M22: 29,100,077 km (0.073 R)
• M23: 34,038,901 km (0.059 R)
• M24: 37,162,953 km (0.106 R)
• M25: 38,912,800 km (0.088 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: 163 - 17,125 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit