🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.45 AU - 0.73 AU

Year: 172 Days

Day: 38 Hours

Environment

Temp: 186 °C

Axial Tilt: 42 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.61 AU - 1.75 AU

Year: 825 Days

Day: 26 Hours

Environment

Temp: -71 °C

Axial Tilt: 154 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.35 AU - 2.07 AU

Year: 847 Days

Day: 39.1 Hours

Environment

Temp: -68 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.08 AU - 2.28 AU

Year: 1219 Days

Day: 47.2 Hours

Environment

Temp: -95 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.2

Radius: 11.9

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.6 AU - 7.56 AU

Year: 5678 Days

Day: 10.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,107,703 km

• M1: 147,952 km (0.093 R)
• M2: 568,622 km (0.099 R)
• M3: 1,499,868 km (0.068 R)
• M4: 1,925,474 km (0.081 R)
• M5: 2,484,073 km (0.113 R)
• M6: 3,128,391 km (0.089 R)
• M7: 3,648,094 km (0.053 R)
• M8: 5,501,611 km (0.051 R)
• M9: 5,873,512 km (0.06 R)
• M10: 6,737,589 km (0.097 R)
• M11: 8,032,358 km (0.103 R)
• M12: 8,801,441 km (0.081 R)
• M13: 10,627,882 km (0.114 R)
• M14: 12,324,321 km (0.119 R)
• M15: 14,601,949 km (0.098 R)
• M16: 18,080,249 km (0.087 R)
• M17: 20,709,282 km (0.037 R)
• M18: 22,076,158 km (0.069 R)
• M19: 25,841,835 km (0.102 R)
• M20: 32,764,926 km (0.111 R)
• M21: 35,999,980 km (0.054 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 19,956 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit