🌌 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: 338

Radius: 13.4

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.59 AU - 0.63 AU

Year: 318 Days

Day: 13.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,057,183 km

• M1: 166,652 km (0.117 R)
• M2: 628,909 km (0.052 R)
• M3: 1,264,102 km (0.108 R)
• M4: 1,687,015 km (0.12 R)
• M5: 2,169,618 km (0.075 R)
• M6: 2,608,688 km (0.088 R)
• M7: 3,051,198 km (0.094 R)
• M8: 3,482,190 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.9

Radius: 10.7

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.61 AU - 0.79 AU

Year: 391 Days

Day: 5.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 37,057,183 km

• M1: 133,890 km (0.112 R)
• M2: 538,104 km (0.109 R)
• M3: 1,901,090 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.6

Radius: 12.2

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.86 AU - 1.04 AU

Year: 617 Days

Day: 6 Hours

Environment

Temp: -173 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,057,183 km

• M1: 152,440 km (0.083 R)
• M2: 565,630 km (0.046 R)
• M3: 960,119 km (0.092 R)
• M4: 1,353,262 km (0.102 R)
• M5: 2,009,548 km (0.035 R)
• M6: 2,988,666 km (0.102 R)
• M7: 3,414,721 km (0.074 R)
• M8: 3,934,424 km (0.057 R)
• M9: 4,433,782 km (0.063 R)
• M10: 4,913,093 km (0.112 R)
• M11: 5,818,011 km (0.095 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.7

Radius: 3.4

Gravity: 16.5 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.55 AU - 7.85 AU

Year: 12883 Days

Day: 23.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 94.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,057,183 km

• M1: 53,406 km (0.04 R)
• M2: 854,802 km (0.115 R)
• M3: 1,002,306 km (0.105 R)
• M4: 2,649,827 km (0.072 R)
• M5: 3,282,177 km (0.104 R)
• M6: 4,239,005 km (0.077 R)
• M7: 4,923,565 km (0.098 R)
• M8: 5,246,846 km (0.115 R)
• M9: 8,992,627 km (0.105 R)
• M10: 12,575,795 km (0.093 R)
• M11: 18,222,816 km (0.109 R)
• M12: 21,746,893 km (0.084 R)
• M13: 23,015,632 km (0.11 R)
• M14: 28,584,264 km (0.084 R)
• M15: 34,244,449 km (0.032 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 12,597 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit