🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.77 AU - 1.01 AU

Year: 307 Days

Day: 36.8 Hours

Environment

Temp: 162 °C

Axial Tilt: 27 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.75 AU - 3.07 AU

Year: 1813 Days

Day: 22.7 Hours

Environment

Temp: -96 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.53 AU - 5.13 AU

Year: 3291 Days

Day: 36.5 Hours

Environment

Temp: -122 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,472,845 km

• M1: 79,137 km (0.113 R)

Asteroid Belt

Center: 5.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.5

Radius: 11.6

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.66 AU - 8.5 AU

Year: 7622 Days

Day: 14.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,472,845 km

• M1: 144,212 km (0.117 R)
• M2: 545,883 km (0.073 R)
• M3: 1,247,945 km (0.116 R)
• M4: 2,178,893 km (0.063 R)
• M5: 2,739,137 km (0.08 R)
• M6: 4,086,565 km (0.099 R)
• M7: 5,237,421 km (0.108 R)
• M8: 5,648,068 km (0.105 R)
• M9: 7,165,140 km (0.101 R)
• M10: 7,575,487 km (0.118 R)
• M11: 9,192,340 km (0.029 R)
• M12: 9,639,638 km (0.082 R)
• M13: 10,258,824 km (0.07 R)
• M14: 11,748,818 km (0.077 R)
• M15: 12,591,204 km (0.116 R)
• M16: 13,284,141 km (0.079 R)
• M17: 13,664,120 km (0.098 R)
• M18: 14,396,102 km (0.086 R)
• M19: 14,898,452 km (0.085 R)
• M20: 15,673,967 km (0.114 R)
• M21: 18,513,036 km (0.07 R)
• M22: 20,839,731 km (0.11 R)
• M23: 22,073,315 km (0.03 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 15,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit