🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.58 AU - 0.72 AU

Year: 344 Days

Day: 25.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.2

Radius: 11.8

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.63 AU - 0.93 AU

Year: 452 Days

Day: 9.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,801,374 km

• M1: 146,756 km (0.045 R)
• M2: 552,315 km (0.077 R)
• M3: 1,019,958 km (0.094 R)
• M4: 1,522,158 km (0.118 R)
• M5: 2,170,067 km (0.102 R)
• M6: 2,814,834 km (0.111 R)
• M7: 3,900,016 km (0.082 R)
• M8: 5,009,584 km (0.09 R)
• M9: 5,604,684 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.3

Radius: 8

Gravity: 14.82 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.82 AU - 1.08 AU

Year: 607 Days

Day: 7 Hours

Environment

Temp: -161 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,801,374 km

• M1: 99,782 km (0.045 R)
• M2: 406,158 km (0.089 R)
• M3: 665,711 km (0.105 R)
• M4: 1,024,147 km (0.058 R)
• M5: 1,320,500 km (0.081 R)
• M6: 2,005,808 km (0.049 R)
• M7: 2,349,584 km (0.093 R)
• M8: 2,607,640 km (0.036 R)
• M9: 3,156,216 km (0.105 R)
• M10: 3,609,348 km (0.114 R)
• M11: 3,910,488 km (0.092 R)
• M12: 4,212,826 km (0.076 R)
• M13: 5,108,019 km (0.108 R)
• M14: 7,158,258 km (0.047 R)
• M15: 7,681,701 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.5

Radius: 7.3

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.29 AU - 10.41 AU

Year: 15828 Days

Day: 18.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 46,801,374 km

• M1: 97,388 km (0.095 R)
• M2: 696,976 km (0.052 R)
• M3: 1,062,145 km (0.077 R)
• M4: 1,416,093 km (0.069 R)
• M5: 1,878,500 km (0.088 R)
• M6: 2,475,994 km (0.084 R)
• M7: 2,969,518 km (0.107 R)
• M8: 3,752,962 km (0.105 R)
• M9: 4,097,037 km (0.079 R)
• M10: 5,128,514 km (0.101 R)
• M11: 6,620,903 km (0.091 R)
• M12: 6,888,683 km (0.104 R)
• M13: 7,243,529 km (0.102 R)
• M14: 8,470,979 km (0.091 R)
• M15: 9,490,339 km (0.114 R)
• M16: 11,440,048 km (0.115 R)
• M17: 11,994,458 km (0.088 R)
• M18: 13,097,144 km (0.063 R)
• M19: 13,398,135 km (0.044 R)
• M20: 14,973,400 km (0.086 R)
• M21: 16,112,588 km (0.056 R)
• M22: 16,950,636 km (0.11 R)
• M23: 19,954,860 km (0.045 R)
• M24: 20,676,670 km (0.111 R)
• M25: 23,649,628 km (0.093 R)
• M26: 26,606,729 km (0.062 R)
• M27: 29,697,870 km (0.103 R)
• M28: 30,009,034 km (0.078 R)
• M29: 32,909,437 km (0.06 R)
• M30: 34,713,438 km (0.028 R)
• M31: 36,463,733 km (0.101 R)
• M32: 43,251,886 km (0.108 R)
• M33: 43,518,320 km (0.109 R)
• M34: 44,189,117 km (0.096 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 16,212 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit