🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.66 AU - 0.96 AU

Year: 264 Days

Day: 45.8 Hours

Environment

Temp: 142 °C

Axial Tilt: 38.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.14 AU - 1.2 AU

Year: 458 Days

Day: 26.2 Hours

Environment

Temp: 21 °C

Axial Tilt: 17.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.16 AU - 2.26 AU

Year: 1188 Days

Day: 12.3 Hours

Environment

Temp: -67 °C

Axial Tilt: 48.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.96 AU - 3.8 AU

Year: 2247 Days

Day: 41.3 Hours

Environment

Temp: -106 °C

Axial Tilt: 45.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,912,880 km

• M1: 123,269 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.2

Radius: 9.9

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.96 AU - 7.82 AU

Year: 7265 Days

Day: 14.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,912,880 km

• M1: 123,119 km (0.108 R)
• M2: 805,884 km (0.116 R)
• M3: 1,409,511 km (0.108 R)
• M4: 1,721,572 km (0.106 R)
• M5: 2,680,495 km (0.068 R)
• M6: 3,392,132 km (0.12 R)
• M7: 6,002,615 km (0.11 R)
• M8: 7,217,798 km (0.06 R)
• M9: 9,337,301 km (0.093 R)
• M10: 10,581,357 km (0.094 R)
• M11: 11,751,960 km (0.083 R)
• M12: 14,711,455 km (0.099 R)
• M13: 22,400,037 km (0.073 R)
• M14: 22,958,636 km (0.056 R)
• M15: 24,176,661 km (0.083 R)

Kuiper Belt

Range: 30.3 - 58.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 11,958 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit