🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.07 AU - 1.17 AU

Year: 440 Days

Day: 39.8 Hours

Environment

Temp: 15 °C

Axial Tilt: 31.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.46 AU - 1.68 AU

Year: 730 Days

Day: 25.7 Hours

Environment

Temp: -42 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.61 AU - 3.03 AU

Year: 1756 Days

Day: 17.4 Hours

Environment

Temp: -109 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.13 AU - 3.77 AU

Year: 2376 Days

Day: 43.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,925,625 km

• M1: 461,360 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.3

Radius: 10.2

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.88 AU - 5.28 AU

Year: 3635 Days

Day: 5.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 68.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,925,625 km

• M1: 128,355 km (0.1 R)
• M2: 606,919 km (0.055 R)
• M3: 1,242,410 km (0.064 R)
• M4: 1,669,063 km (0.095 R)
• M5: 2,221,229 km (0.117 R)
• M6: 3,712,720 km (0.12 R)
• M7: 4,189,189 km (0.105 R)
• M8: 6,516,483 km (0.067 R)
• M9: 6,858,165 km (0.083 R)
• M10: 8,025,926 km (0.084 R)
• M11: 8,455,421 km (0.087 R)
• M12: 9,090,015 km (0.039 R)
• M13: 10,581,207 km (0.12 R)
• M14: 12,135,828 km (0.089 R)
• M15: 14,041,555 km (0.108 R)
• M16: 16,251,714 km (0.12 R)
• M17: 16,940,313 km (0.113 R)
• M18: 20,744,737 km (0.098 R)
• M19: 21,967,849 km (0.117 R)
• M20: 23,965,130 km (0.117 R)
• M21: 25,925,610 km (0.101 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: 348 - 17,078 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit