🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.91 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.4 AU - 2.22 AU

Year: 860 Days

Day: 12.6 Hours

Environment

Temp: -43 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.71 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227

Radius: 10.3

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.21 AU - 6.99 AU

Year: 4679 Days

Day: 7.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,768,419 km

• M1: 128,205 km (0.088 R)
• M2: 469,289 km (0.044 R)
• M3: 797,506 km (0.072 R)
• M4: 1,134,251 km (0.101 R)
• M5: 1,696,440 km (0.037 R)
• M6: 2,036,476 km (0.097 R)
• M7: 3,035,490 km (0.099 R)
• M8: 3,729,924 km (0.037 R)
• M9: 4,064,275 km (0.065 R)
• M10: 4,977,720 km (0.098 R)
• M11: 8,145,006 km (0.105 R)
• M12: 10,222,471 km (0.11 R)
• M13: 13,073,956 km (0.042 R)
• M14: 18,482,967 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.9

Radius: 9.9

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.78 AU - 6.66 AU

Year: 5478 Days

Day: 13.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 33,768,419 km

• M1: 123,119 km (0.109 R)
• M2: 514,766 km (0.117 R)
• M3: 926,160 km (0.108 R)
• M4: 1,835,715 km (0.119 R)
• M5: 2,195,349 km (0.032 R)
• M6: 3,337,977 km (0.12 R)
• M7: 4,254,863 km (0.113 R)
• M8: 4,864,773 km (0.104 R)
• M9: 6,290,740 km (0.109 R)
• M10: 7,503,081 km (0.068 R)
• M11: 8,705,698 km (0.113 R)
• M12: 10,384,187 km (0.078 R)
• M13: 11,019,678 km (0.117 R)
• M14: 11,346,998 km (0.118 R)
• M15: 11,923,249 km (0.093 R)
• M16: 12,518,948 km (0.101 R)
• M17: 15,681,896 km (0.113 R)
• M18: 16,096,581 km (0.075 R)
• M19: 17,701,018 km (0.109 R)
• M20: 21,441,713 km (0.032 R)
• M21: 21,805,834 km (0.118 R)
• M22: 23,766,763 km (0.096 R)
• M23: 24,314,142 km (0.065 R)
• M24: 24,790,013 km (0.082 R)
• M25: 25,678,624 km (0.094 R)
• M26: 26,006,991 km (0.111 R)
• M27: 27,263,165 km (0.05 R)
• M28: 27,949,520 km (0.088 R)
• M29: 30,168,655 km (0.073 R)
• M30: 30,995,632 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.9

Radius: 14.3

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.93 AU - 8.13 AU

Year: 5892 Days

Day: 8.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 67.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,768,419 km

• M1: 177,872 km (0.084 R)
• M2: 923,168 km (0.029 R)
• M3: 1,630,467 km (0.114 R)
• M4: 2,343,750 km (0.079 R)
• M5: 3,019,783 km (0.105 R)
• M6: 3,468,726 km (0.073 R)
• M7: 4,351,503 km (0.074 R)
• M8: 5,467,204 km (0.098 R)
• M9: 6,464,274 km (0.092 R)
• M10: 10,833,279 km (0.09 R)
• M11: 12,149,591 km (0.064 R)
• M12: 13,245,096 km (0.12 R)
• M13: 14,576,817 km (0.086 R)
• M14: 15,098,614 km (0.118 R)
• M15: 16,241,242 km (0.07 R)
• M16: 17,963,264 km (0.053 R)
• M17: 22,913,158 km (0.039 R)
• M18: 27,022,761 km (0.039 R)
• M19: 29,251,320 km (0.05 R)
• M20: 33,167,344 km (0.057 R)

Kuiper Belt

Range: 31.1 - 60.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 14,932 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit