🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.59 AU - 0.63 AU

Year: 170 Days

Day: 44.7 Hours

Environment

Temp: 212 °C

Axial Tilt: 15.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.63 AU - 0.87 AU

Year: 232 Days

Day: 42.4 Hours

Environment

Temp: 136 °C

Axial Tilt: 29.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.79 AU - 1.15 AU

Year: 341 Days

Day: 18.8 Hours

Environment

Temp: 80 °C

Axial Tilt: 26.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.85 AU - 1.33 AU

Year: 406 Days

Day: 15 Hours

Environment

Temp: 41 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 31,850,003 km

• M1: 48,619 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.24 AU - 2.42 AU

Year: 1268 Days

Day: 47 Hours

Environment

Temp: -78 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,850,003 km

• M1: 44,131 km (0.056 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.68 AU - 5.24 AU

Year: 3937 Days

Day: 30 Hours

Environment

Temp: -126 °C

Axial Tilt: 140.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.9

Radius: 14.2

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.95 AU - 9.27 AU

Year: 7483 Days

Day: 7.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,850,003 km

• M1: 176,974 km (0.041 R)
• M2: 636,689 km (0.116 R)
• M3: 1,120,189 km (0.112 R)
• M4: 1,873,713 km (0.073 R)
• M5: 2,506,512 km (0.097 R)
• M6: 3,361,165 km (0.114 R)
• M7: 3,834,941 km (0.111 R)
• M8: 4,838,893 km (0.082 R)
• M9: 5,533,027 km (0.078 R)
• M10: 6,166,574 km (0.11 R)
• M11: 6,615,667 km (0.075 R)
• M12: 7,155,865 km (0.077 R)
• M13: 8,058,837 km (0.119 R)
• M14: 10,717,939 km (0.087 R)
• M15: 12,397,026 km (0.102 R)
• M16: 13,115,694 km (0.114 R)
• M17: 19,422,740 km (0.076 R)
• M18: 23,498,235 km (0.11 R)
• M19: 28,905,600 km (0.073 R)

Kuiper Belt

Range: 30.8 - 58.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 12,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit