🌌 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: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.68 AU - 0.86 AU

Year: 257 Days

Day: 40.2 Hours

Environment

Temp: 154 °C

Axial Tilt: 11.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.11 AU - 1.29 AU

Year: 501 Days

Day: 42.4 Hours

Environment

Temp: -28 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 8,284,484 km

• M1: 52,359 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.6

Radius: 12.9

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.97 AU - 6.59 AU

Year: 4620 Days

Day: 9.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 8,284,484 km

• M1: 264,788 km (0.099 R)
• M2: 705,952 km (0.098 R)
• M3: 1,162,375 km (0.083 R)
• M4: 1,687,763 km (0.104 R)
• M5: 3,175,963 km (0.037 R)
• M6: 3,746,080 km (0.088 R)
• M7: 4,717,270 km (0.1 R)
• M8: 7,123,252 km (0.111 R)
• M9: 7,756,799 km (0.084 R)
• M10: 8,355,340 km (0.105 R)
• M11: 17,903,574 km (0.108 R)
• M12: 18,700,631 km (0.074 R)
• M13: 19,649,680 km (0.112 R)
• M14: 22,618,899 km (0.053 R)
• M15: 24,433,222 km (0.051 R)
• M16: 25,033,708 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.5

Radius: 8.5

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.26 AU - 6.34 AU

Year: 5319 Days

Day: 6 Hours

Environment

Temp: -149 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 8,284,484 km

• M1: 107,561 km (0.112 R)
• M2: 1,091,616 km (0.057 R)
• M3: 4,816,154 km (0.04 R)
• M4: 6,228,507 km (0.084 R)
• M5: 6,516,034 km (0.045 R)
• M6: 7,162,297 km (0.098 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 12,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit