🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.88 AU - 1.44 AU

Year: 447 Days

Day: 17.9 Hours

Environment

Temp: 7 °C

Axial Tilt: 2.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 64,207,027 km

• M1: 45,777 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.14 AU - 1.32 AU

Year: 489 Days

Day: 46.4 Hours

Environment

Temp: 14 °C

Axial Tilt: 5.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 64,207,027 km

• M1: 36,502 km (0.101 R)
• M2: 572,212 km (0.102 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.08 AU - 1.5 AU

Year: 525 Days

Day: 45.4 Hours

Environment

Temp: 15 °C

Axial Tilt: 39.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.31 AU - 3.83 AU

Year: 1927 Days

Day: 37 Hours

Environment

Temp: -100 °C

Axial Tilt: 6.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.67 AU - 4.27 AU

Year: 2315 Days

Day: 21.8 Hours

Environment

Temp: -118 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 16.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.2

Radius: 7.5

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 12.75 AU - 20.27 AU

Year: 24027 Days

Day: 23.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,207,027 km

• M1: 95,593 km (0.086 R)
• M2: 336,745 km (0.104 R)
• M3: 766,689 km (0.098 R)
• M4: 1,001,857 km (0.086 R)
• M5: 1,383,481 km (0.11 R)
• M6: 1,876,855 km (0.087 R)
• M7: 2,294,233 km (0.053 R)
• M8: 3,109,541 km (0.106 R)
• M9: 4,227,337 km (0.043 R)
• M10: 6,581,259 km (0.083 R)
• M11: 7,869,446 km (0.087 R)
• M12: 9,056,206 km (0.116 R)
• M13: 9,966,210 km (0.066 R)
• M14: 17,619,338 km (0.05 R)
• M15: 20,163,848 km (0.068 R)
• M16: 22,178,632 km (0.104 R)
• M17: 24,932,280 km (0.085 R)
• M18: 29,821,887 km (0.097 R)
• M19: 32,551,599 km (0.078 R)
• M20: 34,165,910 km (0.097 R)
• M21: 44,835,978 km (0.12 R)
• M22: 46,832,212 km (0.12 R)
• M23: 48,566,949 km (0.027 R)
• M24: 64,014,874 km (0.116 R)

Kuiper Belt

Range: 30.6 - 45.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 20,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit