🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.2 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.44 AU - 5.36 AU

Year: 3405 Days

Day: 14.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.7

Radius: 12.5

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.77 AU - 5.55 AU

Year: 3712 Days

Day: 6.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,032,345 km

• M1: 155,731 km (0.061 R)
• M2: 741,856 km (0.097 R)
• M3: 2,007,005 km (0.074 R)
• M4: 2,566,501 km (0.053 R)
• M5: 3,013,350 km (0.103 R)
• M6: 3,551,304 km (0.096 R)
• M7: 4,001,743 km (0.108 R)
• M8: 4,467,292 km (0.086 R)
• M9: 6,734,597 km (0.063 R)
• M10: 7,139,110 km (0.107 R)
• M11: 8,031,760 km (0.093 R)
• M12: 9,259,959 km (0.108 R)
• M13: 12,086,610 km (0.066 R)
• M14: 12,733,023 km (0.098 R)
• M15: 15,231,906 km (0.067 R)
• M16: 16,317,388 km (0.097 R)
• M17: 17,222,455 km (0.066 R)
• M18: 18,642,438 km (0.116 R)
• M19: 19,443,385 km (0.086 R)
• M20: 21,379,331 km (0.109 R)
• M21: 22,052,372 km (0.108 R)
• M22: 23,582,758 km (0.114 R)

Planet 3 - Ice Giant

Semi-Major Axis: 17.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.9

Radius: 3.8

Gravity: 40.85 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 15.17 AU - 19.27 AU

Year: 26365 Days

Day: 21.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 87,032,345 km

• M1: 49,367 km (0.088 R)
• M2: 172,786 km (0.107 R)
• M3: 371,152 km (0.094 R)
• M4: 580,290 km (0.084 R)
• M5: 1,593,816 km (0.052 R)
• M6: 2,326,097 km (0.1 R)
• M7: 3,173,270 km (0.064 R)
• M8: 3,436,113 km (0.107 R)
• M9: 4,525,186 km (0.093 R)
• M10: 4,858,041 km (0.087 R)
• M11: 14,205,963 km (0.1 R)
• M12: 14,519,371 km (0.118 R)
• M13: 17,283,790 km (0.115 R)
• M14: 22,109,817 km (0.097 R)
• M15: 22,636,701 km (0.044 R)
• M16: 24,267,767 km (0.11 R)
• M17: 26,209,098 km (0.098 R)
• M18: 27,883,697 km (0.12 R)
• M19: 29,248,328 km (0.107 R)
• M20: 32,110,136 km (0.088 R)
• M21: 38,231,681 km (0.054 R)
• M22: 42,771,677 km (0.116 R)
• M23: 43,753,787 km (0.086 R)
• M24: 55,761,559 km (0.039 R)
• M25: 55,955,737 km (0.067 R)
• M26: 64,950,608 km (0.119 R)
• M27: 65,165,431 km (0.112 R)
• M28: 69,563,907 km (0.091 R)
• M29: 69,788,903 km (0.112 R)
• M30: 77,972,056 km (0.069 R)
• M31: 78,946,088 km (0.094 R)
• M32: 80,670,203 km (0.086 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 14,732 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit