🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.57 AU - 0.87 AU

Year: 225 Days

Day: 23 Hours

Environment

Temp: 109 °C

Axial Tilt: 16.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.69 AU - 0.79 AU

Year: 235 Days

Day: 29.8 Hours

Environment

Temp: 158 °C

Axial Tilt: 4.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 3.08 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.2

Radius: 12.4

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.64 AU - 6.2 AU

Year: 4656 Days

Day: 6.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,499,713 km

• M1: 154,235 km (0.072 R)
• M2: 981,362 km (0.051 R)
• M3: 1,532,032 km (0.097 R)
• M4: 3,096,377 km (0.103 R)
• M5: 4,044,678 km (0.072 R)
• M6: 6,511,846 km (0.046 R)
• M7: 9,267,289 km (0.036 R)
• M8: 11,503,627 km (0.056 R)
• M9: 11,981,144 km (0.089 R)
• M10: 13,336,800 km (0.065 R)
• M11: 14,350,325 km (0.102 R)
• M12: 16,894,237 km (0.061 R)
• M13: 18,016,820 km (0.075 R)
• M14: 18,923,831 km (0.049 R)
• M15: 23,921,747 km (0.066 R)
• M16: 27,561,912 km (0.088 R)
• M17: 28,332,042 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.2

Radius: 14.3

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.97 AU - 6.83 AU

Year: 5288 Days

Day: 11.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,499,713 km

• M1: 177,872 km (0.103 R)
• M2: 742,155 km (0.033 R)
• M3: 1,359,097 km (0.105 R)
• M4: 2,004,312 km (0.059 R)
• M5: 2,521,921 km (0.05 R)
• M6: 3,326,009 km (0.071 R)
• M7: 5,445,961 km (0.087 R)
• M8: 7,509,813 km (0.103 R)
• M9: 7,978,354 km (0.096 R)
• M10: 8,816,251 km (0.097 R)
• M11: 9,420,627 km (0.094 R)
• M12: 10,847,940 km (0.113 R)
• M13: 11,732,811 km (0.095 R)
• M14: 12,867,810 km (0.092 R)
• M15: 13,593,809 km (0.08 R)
• M16: 14,346,885 km (0.072 R)
• M17: 15,528,708 km (0.064 R)
• M18: 16,411,784 km (0.081 R)
• M19: 17,894,149 km (0.089 R)
• M20: 18,472,644 km (0.115 R)
• M21: 21,698,274 km (0.108 R)
• M22: 22,653,007 km (0.071 R)
• M23: 23,558,822 km (0.096 R)
• M24: 26,670,757 km (0.095 R)
• M25: 30,318,103 km (0.094 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 18,567 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit