🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.84 AU - 1.14 AU

Year: 421 Days

Day: 29.5 Hours

Environment

Temp: -41 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 108,898,472 km

• M1: 122,072 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.13 AU - 1.31 AU

Year: 576 Days

Day: 44.8 Hours

Environment

Temp: -82 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.25 AU - 1.37 AU

Year: 641 Days

Day: 46.6 Hours

Environment

Temp: -81 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.2 AU - 3.24 AU

Year: 1918 Days

Day: 38.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.56 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 16.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998.3

Radius: 5.3

Gravity: 35.54 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 14.9 AU - 17.88 AU

Year: 28366 Days

Day: 18.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 108,898,472 km

• M1: 65,973 km (0.118 R)
• M2: 327,769 km (0.086 R)
• M3: 1,686,118 km (0.051 R)
• M4: 1,891,815 km (0.069 R)
• M5: 2,803,464 km (0.093 R)
• M6: 4,194,276 km (0.104 R)
• M7: 5,401,680 km (0.045 R)
• M8: 8,071,703 km (0.089 R)
• M9: 14,502,616 km (0.061 R)
• M10: 16,177,065 km (0.114 R)
• M11: 20,115,079 km (0.099 R)
• M12: 20,433,872 km (0.074 R)
• M13: 22,875,609 km (0.096 R)
• M14: 25,135,135 km (0.068 R)
• M15: 32,506,421 km (0.072 R)
• M16: 41,539,589 km (0.03 R)
• M17: 51,118,939 km (0.057 R)
• M18: 60,955,148 km (0.113 R)
• M19: 67,138,926 km (0.068 R)
• M20: 78,351,735 km (0.101 R)
• M21: 78,877,123 km (0.046 R)
• M22: 86,201,734 km (0.112 R)
• M23: 96,655,184 km (0.085 R)
• M24: 106,951,258 km (0.076 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 14,164 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit