🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.5 AU - 0.78 AU

Year: 183 Days

Day: 16.3 Hours

Environment

Temp: 169 °C

Axial Tilt: 18.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,042,738 km

• M1: 121,324 km (0.053 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.77 AU - 0.95 AU

Year: 284 Days

Day: 47.3 Hours

Environment

Temp: 111 °C

Axial Tilt: 21.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.38 AU - 1.58 AU

Year: 642 Days

Day: 32.4 Hours

Environment

Temp: -0 °C

Axial Tilt: 43.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 33,042,738 km

• M1: 33,660 km (0.103 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.34 AU - 1.76 AU

Year: 688 Days

Day: 19.5 Hours

Environment

Temp: -31 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,042,738 km

• M1: 19,149 km (0.087 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.54 AU - 1.86 AU

Year: 790 Days

Day: 13.7 Hours

Environment

Temp: -50 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.9

Radius: 13.7

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.97 AU - 6.81 AU

Year: 5758 Days

Day: 6.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,042,738 km

• M1: 171,738 km (0.116 R)
• M2: 702,661 km (0.04 R)
• M3: 1,959,882 km (0.086 R)
• M4: 2,536,881 km (0.062 R)
• M5: 4,279,397 km (0.102 R)
• M6: 5,550,530 km (0.081 R)
• M7: 6,036,573 km (0.115 R)
• M8: 6,819,269 km (0.108 R)
• M9: 10,875,616 km (0.035 R)
• M10: 12,388,798 km (0.048 R)
• M11: 16,625,111 km (0.093 R)
• M12: 19,102,601 km (0.118 R)
• M13: 24,214,360 km (0.035 R)
• M14: 30,826,287 km (0.102 R)
• M15: 32,357,271 km (0.117 R)
• M16: 32,944,293 km (0.032 R)

Kuiper Belt

Range: 30.8 - 52.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 19,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit