🌌 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: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.49 AU - 0.53 AU

Year: 129 Days

Day: 26.9 Hours

Environment

Temp: 246 °C

Axial Tilt: 35.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.47 AU - 0.69 AU

Year: 157 Days

Day: 19.9 Hours

Environment

Temp: 204 °C

Axial Tilt: 0.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,320,935 km

• M1: 148,700 km (0.047 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.56 AU - 0.9 AU

Year: 221 Days

Day: 37 Hours

Environment

Temp: 135 °C

Axial Tilt: 10.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.23 AU - 5.09 AU

Year: 3010 Days

Day: 26.4 Hours

Environment

Temp: -115 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.8

Radius: 9.9

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.12 AU - 10.68 AU

Year: 10224 Days

Day: 7.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,320,935 km

• M1: 124,166 km (0.082 R)
• M2: 855,550 km (0.048 R)
• M3: 1,191,547 km (0.087 R)
• M4: 2,110,078 km (0.11 R)
• M5: 2,604,649 km (0.078 R)
• M6: 3,025,318 km (0.048 R)
• M7: 3,514,204 km (0.077 R)
• M8: 3,952,825 km (0.116 R)
• M9: 9,066,379 km (0.06 R)
• M10: 9,612,860 km (0.07 R)
• M11: 10,522,864 km (0.119 R)
• M12: 11,647,241 km (0.114 R)
• M13: 15,308,649 km (0.051 R)
• M14: 16,953,179 km (0.062 R)
• M15: 24,107,846 km (0.088 R)
• M16: 26,327,280 km (0.118 R)
• M17: 29,956,525 km (0.119 R)

Kuiper Belt

Range: 30.9 - 60.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 14,933 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit