🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.59 AU - 0.59 AU

Year: 293 Days

Day: 18.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.3

Radius: 15

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.94 AU - 1 AU

Year: 617 Days

Day: 14.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,905,207 km

• M1: 186,848 km (0.098 R)
• M2: 790,026 km (0.105 R)
• M3: 1,409,661 km (0.079 R)
• M4: 2,131,620 km (0.077 R)
• M5: 3,146,941 km (0.114 R)
• M6: 3,686,391 km (0.113 R)
• M7: 4,998,962 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.6

Radius: 11.7

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.1 AU - 1.68 AU

Year: 1058 Days

Day: 5.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,905,207 km

• M1: 145,559 km (0.111 R)
• M2: 606,021 km (0.076 R)
• M3: 1,003,353 km (0.091 R)
• M4: 1,613,114 km (0.081 R)
• M5: 2,105,740 km (0.101 R)
• M6: 2,582,358 km (0.097 R)
• M7: 3,860,074 km (0.045 R)
• M8: 5,955,641 km (0.112 R)
• M9: 6,349,831 km (0.107 R)
• M10: 6,894,966 km (0.102 R)
• M11: 7,495,003 km (0.119 R)
• M12: 9,175,286 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.5

Radius: 7.7

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.56 AU - 12.32 AU

Year: 20235 Days

Day: 19.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,905,207 km

• M1: 99,483 km (0.049 R)
• M2: 421,866 km (0.066 R)
• M3: 1,014,722 km (0.06 R)
• M4: 1,266,196 km (0.069 R)
• M5: 1,699,581 km (0.113 R)
• M6: 3,002,728 km (0.052 R)
• M7: 3,611,143 km (0.106 R)
• M8: 4,178,717 km (0.051 R)
• M9: 4,515,313 km (0.087 R)
• M10: 4,903,220 km (0.112 R)
• M11: 5,419,183 km (0.097 R)
• M12: 6,279,819 km (0.108 R)
• M13: 6,559,119 km (0.09 R)
• M14: 8,364,765 km (0.081 R)
• M15: 8,900,774 km (0.029 R)
• M16: 9,933,598 km (0.068 R)
• M17: 10,423,680 km (0.118 R)
• M18: 13,842,141 km (0.072 R)
• M19: 18,587,386 km (0.071 R)
• M20: 20,440,754 km (0.111 R)
• M21: 21,412,242 km (0.028 R)
• M22: 22,414,099 km (0.117 R)
• M23: 24,413,026 km (0.106 R)
• M24: 25,105,066 km (0.092 R)
• M25: 29,201,355 km (0.083 R)
• M26: 29,868,711 km (0.072 R)
• M27: 30,319,300 km (0.11 R)
• M28: 32,521,380 km (0.095 R)
• M29: 33,600,879 km (0.062 R)
• M30: 35,076,961 km (0.118 R)
• M31: 43,541,956 km (0.086 R)
• M32: 44,705,678 km (0.108 R)
• M33: 52,452,454 km (0.104 R)
• M34: 53,769,514 km (0.027 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 13,613 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit