🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.59 AU - 0.95 AU

Year: 237 Days

Day: 32.3 Hours

Environment

Temp: 166 °C

Axial Tilt: 1.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 110,361,478 km

• M1: 33,809 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.76 AU - 0.84 AU

Year: 251 Days

Day: 29.5 Hours

Environment

Temp: 157 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.04 AU - 4.36 AU

Year: 3025 Days

Day: 47.2 Hours

Environment

Temp: -116 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.65 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 19.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.9

Radius: 5.9

Gravity: 27.95 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 17.43 AU - 20.75 AU

Year: 29315 Days

Day: 21.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 110,361,478 km

• M1: 73,453 km (0.103 R)
• M2: 263,891 km (0.109 R)
• M3: 568,771 km (0.045 R)
• M4: 806,183 km (0.054 R)
• M5: 1,329,626 km (0.11 R)
• M6: 1,523,056 km (0.101 R)
• M7: 2,244,118 km (0.105 R)
• M8: 4,000,845 km (0.069 R)
• M9: 4,446,498 km (0.072 R)
• M10: 5,524,949 km (0.081 R)
• M11: 5,982,868 km (0.118 R)
• M12: 6,716,645 km (0.076 R)
• M13: 11,597,126 km (0.084 R)
• M14: 14,446,517 km (0.036 R)
• M15: 15,050,144 km (0.102 R)
• M16: 17,056,700 km (0.114 R)
• M17: 18,322,598 km (0.109 R)
• M18: 18,825,845 km (0.101 R)
• M19: 19,754,698 km (0.064 R)
• M20: 25,106,711 km (0.028 R)
• M21: 26,741,517 km (0.072 R)
• M22: 29,943,809 km (0.106 R)
• M23: 30,221,612 km (0.118 R)
• M24: 44,044,007 km (0.115 R)
• M25: 51,014,370 km (0.1 R)
• M26: 53,832,644 km (0.117 R)
• M27: 55,488,693 km (0.088 R)
• M28: 59,120,181 km (0.092 R)
• M29: 64,512,137 km (0.082 R)
• M30: 65,208,365 km (0.09 R)
• M31: 78,611,886 km (0.113 R)
• M32: 79,140,864 km (0.087 R)
• M33: 83,732,471 km (0.088 R)
• M34: 87,078,377 km (0.116 R)
• M35: 95,230,115 km (0.114 R)

Kuiper Belt

Range: 31.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 14,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit