🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.16 AU - 1.72 AU

Year: 638 Days

Day: 17.7 Hours

Environment

Temp: -27 °C

Axial Tilt: 46.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.64 AU - 2.08 AU

Year: 936 Days

Day: 35.1 Hours

Environment

Temp: -65 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.2

Radius: 12.6

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.46 AU - 4.8 AU

Year: 3676 Days

Day: 12.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,628,983 km

• M1: 156,629 km (0.098 R)
• M2: 631,004 km (0.115 R)
• M3: 1,159,683 km (0.119 R)
• M4: 1,616,106 km (0.08 R)
• M5: 3,950,581 km (0.106 R)
• M6: 4,491,826 km (0.097 R)
• M7: 4,911,896 km (0.066 R)
• M8: 6,078,610 km (0.077 R)
• M9: 6,564,654 km (0.048 R)
• M10: 7,811,851 km (0.111 R)
• M11: 8,774,813 km (0.096 R)
• M12: 11,019,678 km (0.113 R)
• M13: 11,963,791 km (0.107 R)
• M14: 12,501,146 km (0.115 R)
• M15: 13,101,333 km (0.045 R)
• M16: 15,380,905 km (0.064 R)
• M17: 15,856,028 km (0.113 R)
• M18: 16,835,744 km (0.105 R)
• M19: 19,461,785 km (0.111 R)
• M20: 21,553,463 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277

Radius: 6.9

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 13.1 AU - 21.84 AU

Year: 26941 Days

Day: 21 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,628,983 km

• M1: 101,427 km (0.119 R)
• M2: 366,515 km (0.067 R)
• M3: 815,608 km (0.116 R)
• M4: 1,450,052 km (0.114 R)
• M5: 2,187,570 km (0.055 R)
• M6: 3,337,379 km (0.057 R)
• M7: 4,374,541 km (0.063 R)
• M8: 5,459,724 km (0.117 R)
• M9: 6,125,883 km (0.078 R)
• M10: 6,499,878 km (0.097 R)
• M11: 7,339,272 km (0.069 R)
• M12: 8,248,976 km (0.099 R)
• M13: 8,602,476 km (0.098 R)
• M14: 10,175,198 km (0.103 R)
• M15: 10,523,163 km (0.096 R)
• M16: 10,878,907 km (0.118 R)
• M17: 11,677,311 km (0.095 R)
• M18: 12,187,739 km (0.069 R)
• M19: 12,981,056 km (0.092 R)
• M20: 18,138,293 km (0.1 R)
• M21: 20,242,985 km (0.09 R)
• M22: 20,701,054 km (0.101 R)
• M23: 21,542,991 km (0.081 R)
• M24: 21,924,466 km (0.077 R)
• M25: 22,602,892 km (0.077 R)
• M26: 26,859,998 km (0.092 R)
• M27: 31,500,076 km (0.06 R)
• M28: 32,239,239 km (0.076 R)
• M29: 34,396,141 km (0.106 R)
• M30: 39,561,905 km (0.097 R)
• M31: 40,133,967 km (0.055 R)
• M32: 40,856,824 km (0.072 R)
• M33: 43,987,907 km (0.114 R)
• M34: 48,406,580 km (0.114 R)
• M35: 59,224,899 km (0.111 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 10,486 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit