🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.3

Radius: 12.4

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.82 AU - 1.26 AU

Year: 707 Days

Day: 13.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,527,593 km

• M1: 154,385 km (0.096 R)
• M2: 622,926 km (0.027 R)
• M3: 1,012,927 km (0.116 R)
• M4: 1,851,573 km (0.081 R)
• M5: 2,349,883 km (0.114 R)
• M6: 2,948,724 km (0.052 R)
• M7: 3,453,467 km (0.103 R)
• M8: 3,987,531 km (0.115 R)
• M9: 4,514,864 km (0.073 R)
• M10: 5,892,062 km (0.058 R)
• M11: 6,324,549 km (0.053 R)
• M12: 7,044,265 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.9

Radius: 11.3

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.44 AU - 1.84 AU

Year: 1401 Days

Day: 11.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,527,593 km

• M1: 140,772 km (0.106 R)
• M2: 513,569 km (0.104 R)
• M3: 1,254,827 km (0.095 R)
• M4: 1,699,731 km (0.1 R)
• M5: 2,260,274 km (0.094 R)
• M6: 3,138,563 km (0.078 R)
• M7: 4,518,454 km (0.059 R)
• M8: 6,420,741 km (0.111 R)
• M9: 6,802,365 km (0.069 R)
• M10: 7,735,706 km (0.071 R)
• M11: 8,483,396 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.9

Radius: 14.3

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.54 AU - 2.24 AU

Year: 1733 Days

Day: 9 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,527,593 km

• M1: 177,872 km (0.095 R)
• M2: 707,149 km (0.102 R)
• M3: 1,498,073 km (0.044 R)
• M4: 2,000,423 km (0.049 R)
• M5: 3,253,454 km (0.087 R)
• M6: 3,892,836 km (0.117 R)
• M7: 4,959,768 km (0.093 R)
• M8: 5,488,297 km (0.096 R)
• M9: 6,445,723 km (0.096 R)
• M10: 7,563,968 km (0.099 R)
• M11: 8,046,121 km (0.101 R)
• M12: 8,663,362 km (0.066 R)
• M13: 10,345,740 km (0.085 R)
• M14: 12,200,754 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.1

Radius: 4.5

Gravity: 17.73 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.95 AU - 8.95 AU

Year: 14948 Days

Day: 19.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,527,593 km

• M1: 56,997 km (0.073 R)
• M2: 226,342 km (0.114 R)
• M3: 413,189 km (0.08 R)
• M4: 608,115 km (0.065 R)
• M5: 816,505 km (0.115 R)
• M6: 1,140,385 km (0.058 R)
• M7: 1,559,558 km (0.105 R)
• M8: 1,886,280 km (0.057 R)
• M9: 2,092,725 km (0.054 R)
• M10: 3,384,053 km (0.091 R)
• M11: 4,125,012 km (0.065 R)
• M12: 5,813,972 km (0.114 R)
• M13: 6,251,994 km (0.109 R)
• M14: 8,136,628 km (0.057 R)
• M15: 9,452,192 km (0.103 R)
• M16: 10,316,718 km (0.057 R)
• M17: 15,032,940 km (0.115 R)
• M18: 15,440,744 km (0.025 R)
• M19: 18,044,046 km (0.07 R)
• M20: 20,591,249 km (0.114 R)
• M21: 21,519,504 km (0.107 R)
• M22: 21,691,242 km (0.094 R)
• M23: 23,008,302 km (0.12 R)
• M24: 24,658,067 km (0.114 R)
• M25: 27,479,184 km (0.095 R)
• M26: 28,499,741 km (0.06 R)
• M27: 28,915,024 km (0.062 R)
• M28: 37,839,734 km (0.112 R)
• M29: 44,015,882 km (0.105 R)
• M30: 46,120,126 km (0.101 R)
• M31: 46,836,101 km (0.12 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 15,066 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit