🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.43 AU - 0.59 AU

Year: 132 Days

Day: 25.6 Hours

Environment

Temp: 179 °C

Axial Tilt: 21.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,392,719 km

• M1: 105,167 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.81 AU - 1.29 AU

Year: 391 Days

Day: 17.4 Hours

Environment

Temp: 16 °C

Axial Tilt: 32 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.69 AU - 3.15 AU

Year: 1813 Days

Day: 29.6 Hours

Environment

Temp: -108 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.57 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 12.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.3

Radius: 10.6

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 9.34 AU - 15.08 AU

Year: 15506 Days

Day: 14 Hours

Environment

Temp: -180 °C

Axial Tilt: 95.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,392,719 km

• M1: 132,095 km (0.073 R)
• M2: 774,917 km (0.108 R)
• M3: 1,401,134 km (0.054 R)
• M4: 2,245,763 km (0.107 R)
• M5: 2,621,403 km (0.105 R)
• M6: 3,062,418 km (0.036 R)
• M7: 3,552,650 km (0.112 R)
• M8: 5,729,449 km (0.076 R)
• M9: 6,132,615 km (0.056 R)
• M10: 8,164,453 km (0.077 R)
• M11: 8,581,383 km (0.058 R)
• M12: 12,207,336 km (0.094 R)
• M13: 14,025,249 km (0.097 R)
• M14: 14,827,842 km (0.054 R)
• M15: 15,240,433 km (0.077 R)
• M16: 17,648,809 km (0.035 R)
• M17: 18,505,107 km (0.079 R)
• M18: 21,153,588 km (0.053 R)
• M19: 24,615,282 km (0.109 R)
• M20: 25,585,425 km (0.104 R)
• M21: 28,332,191 km (0.105 R)
• M22: 30,049,575 km (0.071 R)
• M23: 30,822,248 km (0.117 R)
• M24: 31,949,168 km (0.097 R)
• M25: 32,292,496 km (0.099 R)
• M26: 37,109,098 km (0.05 R)
• M27: 39,162,927 km (0.053 R)
• M28: 44,913,021 km (0.03 R)
• M29: 50,578,890 km (0.055 R)

Kuiper Belt

Range: 30.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 10,693 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit