🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.79 AU - 1.03 AU

Year: 305 Days

Day: 21 Hours

Environment

Temp: 155 °C

Axial Tilt: 12.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.35 AU - 1.45 AU

Year: 582 Days

Day: 12.5 Hours

Environment

Temp: 7 °C

Axial Tilt: 33 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.65 AU - 1.73 AU

Year: 772 Days

Day: 40.8 Hours

Environment

Temp: -34 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.1

Radius: 9.8

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.29 AU - 8.41 AU

Year: 7003 Days

Day: 10.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 20,522,145 km

• M1: 121,922 km (0.073 R)
• M2: 456,872 km (0.077 R)
• M3: 907,461 km (0.057 R)
• M4: 1,225,506 km (0.106 R)
• M5: 1,593,517 km (0.066 R)
• M6: 2,277,478 km (0.109 R)
• M7: 3,993,665 km (0.039 R)
• M8: 5,619,046 km (0.09 R)
• M9: 6,036,723 km (0.107 R)
• M10: 6,790,995 km (0.114 R)
• M11: 7,415,866 km (0.108 R)
• M12: 9,124,273 km (0.068 R)
• M13: 9,885,278 km (0.113 R)
• M14: 10,591,380 km (0.104 R)
• M15: 13,928,908 km (0.086 R)
• M16: 16,057,387 km (0.113 R)
• M17: 16,378,124 km (0.03 R)
• M18: 17,978,223 km (0.114 R)
• M19: 21,798,205 km (0.066 R)
• M20: 25,340,084 km (0.114 R)
• M21: 26,750,642 km (0.112 R)
• M22: 27,383,890 km (0.085 R)
• M23: 30,701,223 km (0.107 R)
• M24: 32,507,468 km (0.088 R)
• M25: 32,918,263 km (0.097 R)
• M26: 35,239,873 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.5

Radius: 14.8

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.32 AU - 9.84 AU

Year: 10421 Days

Day: 14 Hours

Environment

Temp: -162 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,522,145 km

• M1: 186,249 km (0.099 R)
• M2: 654,790 km (0.054 R)
• M3: 1,189,453 km (0.109 R)
• M4: 1,756,429 km (0.073 R)
• M5: 5,078,249 km (0.096 R)
• M6: 7,041,123 km (0.116 R)
• M7: 10,173,553 km (0.101 R)
• M8: 16,072,795 km (0.045 R)

Kuiper Belt

Range: 31.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 16,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit