🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.05 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.99 AU - 2.19 AU

Year: 1052 Days

Day: 17.9 Hours

Environment

Temp: -51 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.28 AU - 5.74 AU

Year: 4504 Days

Day: 37 Hours

Environment

Temp: -132 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.2

Radius: 10.6

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.98 AU - 9.02 AU

Year: 8630 Days

Day: 6.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,272,223 km

• M1: 169,195 km (0.1 R)
• M2: 608,564 km (0.089 R)
• M3: 1,196,035 km (0.078 R)
• M4: 1,903,035 km (0.104 R)
• M5: 2,259,676 km (0.099 R)
• M6: 2,743,027 km (0.103 R)
• M7: 3,710,925 km (0.041 R)
• M8: 4,473,575 km (0.094 R)
• M9: 5,570,127 km (0.027 R)
• M10: 8,510,324 km (0.107 R)
• M11: 9,490,489 km (0.118 R)
• M12: 13,487,594 km (0.03 R)
• M13: 14,752,744 km (0.092 R)
• M14: 30,534,272 km (0.089 R)
• M15: 35,567,043 km (0.081 R)
• M16: 37,360,273 km (0.107 R)
• M17: 41,909,095 km (0.101 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.6

Radius: 3.9

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 14.73 AU - 23.23 AU

Year: 28796 Days

Day: 20.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,272,223 km

• M1: 49,666 km (0.119 R)
• M2: 189,241 km (0.112 R)
• M3: 563,685 km (0.072 R)
• M4: 2,071,781 km (0.107 R)
• M5: 2,229,607 km (0.096 R)
• M6: 2,452,507 km (0.117 R)
• M7: 2,609,136 km (0.072 R)
• M8: 3,953,573 km (0.087 R)
• M9: 4,114,839 km (0.104 R)
• M10: 4,421,814 km (0.105 R)
• M11: 8,292,060 km (0.064 R)
• M12: 8,646,009 km (0.1 R)
• M13: 9,671,054 km (0.102 R)
• M14: 12,015,103 km (0.08 R)
• M15: 13,650,058 km (0.1 R)
• M16: 14,205,664 km (0.046 R)
• M17: 16,648,448 km (0.09 R)
• M18: 18,300,008 km (0.12 R)
• M19: 19,900,556 km (0.12 R)
• M20: 21,018,052 km (0.118 R)
• M21: 30,553,121 km (0.114 R)
• M22: 39,067,634 km (0.045 R)
• M23: 40,941,197 km (0.104 R)

Kuiper Belt

Range: 31.5 - 52.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 18,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit