🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.48 AU - 0.66 AU

Year: 162 Days

Day: 37.5 Hours

Environment

Temp: 150 °C

Axial Tilt: 33.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.78 AU - 1.26 AU

Year: 388 Days

Day: 28.4 Hours

Environment

Temp: 3 °C

Axial Tilt: 34.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 77,394,825 km

• M1: 206,894 km (0.07 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.67 AU - 2.25 AU

Year: 1034 Days

Day: 26.1 Hours

Environment

Temp: -77 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 77,394,825 km

• M1: 379,081 km (0.107 R)
• M2: 956,379 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.69 AU - 3.09 AU

Year: 1851 Days

Day: 38.5 Hours

Environment

Temp: -102 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.43 AU - 3.79 AU

Year: 2066 Days

Day: 45.5 Hours

Environment

Temp: -112 °C

Axial Tilt: 47.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.69 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 14.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.2

Radius: 6

Gravity: 19.42 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 12.22 AU - 16.32 AU

Year: 20308 Days

Day: 20.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,394,825 km

• M1: 75,248 km (0.058 R)
• M2: 461,210 km (0.11 R)
• M3: 800,947 km (0.083 R)
• M4: 1,065,286 km (0.106 R)
• M5: 1,647,821 km (0.063 R)
• M6: 2,904,143 km (0.064 R)
• M7: 3,475,757 km (0.072 R)
• M8: 4,876,143 km (0.104 R)
• M9: 5,097,697 km (0.048 R)
• M10: 6,980,386 km (0.066 R)
• M11: 7,899,067 km (0.115 R)
• M12: 9,115,746 km (0.058 R)
• M13: 11,520,831 km (0.067 R)
• M14: 14,927,773 km (0.115 R)
• M15: 15,954,613 km (0.105 R)
• M16: 17,196,874 km (0.06 R)
• M17: 19,042,313 km (0.062 R)
• M18: 21,604,027 km (0.12 R)
• M19: 28,455,909 km (0.099 R)
• M20: 28,814,195 km (0.089 R)
• M21: 35,787,999 km (0.1 R)
• M22: 39,514,333 km (0.113 R)
• M23: 48,912,221 km (0.041 R)
• M24: 55,136,090 km (0.12 R)
• M25: 74,871,191 km (0.091 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 12,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit