🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.51 AU - 0.71 AU

Year: 168 Days

Day: 39.1 Hours

Environment

Temp: 184 °C

Axial Tilt: 21.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.53 AU - 0.73 AU

Year: 177 Days

Day: 33.9 Hours

Environment

Temp: 238 °C

Axial Tilt: 161.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 3.23 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.9

Radius: 14.2

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.9 AU - 6.74 AU

Year: 4958 Days

Day: 13.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,035,353 km

• M1: 177,124 km (0.034 R)
• M2: 674,686 km (0.086 R)
• M3: 1,758,373 km (0.118 R)
• M4: 2,256,983 km (0.105 R)
• M5: 2,777,733 km (0.096 R)
• M6: 3,504,929 km (0.085 R)
• M7: 4,532,367 km (0.073 R)
• M8: 6,972,757 km (0.073 R)
• M9: 8,359,679 km (0.118 R)
• M10: 8,996,068 km (0.063 R)
• M11: 9,494,378 km (0.099 R)
• M12: 10,410,965 km (0.09 R)
• M13: 12,420,662 km (0.099 R)
• M14: 13,951,647 km (0.099 R)
• M15: 20,060,326 km (0.113 R)
• M16: 22,692,052 km (0.067 R)
• M17: 27,664,087 km (0.107 R)
• M18: 29,713,578 km (0.043 R)
• M19: 30,822,248 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.8

Radius: 6.4

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 15.3 AU - 17.68 AU

Year: 23644 Days

Day: 18.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,035,353 km

• M1: 92,751 km (0.117 R)
• M2: 855,849 km (0.043 R)
• M3: 1,148,912 km (0.099 R)
• M4: 2,152,713 km (0.114 R)
• M5: 3,335,285 km (0.1 R)
• M6: 4,353,747 km (0.102 R)
• M7: 7,076,578 km (0.078 R)
• M8: 7,493,507 km (0.102 R)
• M9: 8,790,371 km (0.058 R)
• M10: 9,381,582 km (0.092 R)
• M11: 12,341,376 km (0.089 R)
• M12: 14,067,585 km (0.08 R)
• M13: 15,101,606 km (0.12 R)
• M14: 22,194,041 km (0.05 R)
• M15: 27,910,026 km (0.108 R)
• M16: 40,358,663 km (0.09 R)
• M17: 44,428,772 km (0.059 R)
• M18: 48,764,418 km (0.119 R)
• M19: 58,265,079 km (0.12 R)
• M20: 63,447,150 km (0.071 R)

Kuiper Belt

Range: 31.1 - 49.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 18,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit