🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.71 AU - 0.89 AU

Year: 260 Days

Day: 15.1 Hours

Environment

Temp: 172 °C

Axial Tilt: 6.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.83 AU - 1.25 AU

Year: 385 Days

Day: 23 Hours

Environment

Temp: 31 °C

Axial Tilt: 26.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.06 AU - 2.1 AU

Year: 1090 Days

Day: 35.3 Hours

Environment

Temp: -60 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 11.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354

Radius: 8.7

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 11.1 AU - 12.42 AU

Year: 14657 Days

Day: 9.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,632,336 km

• M1: 108,608 km (0.067 R)
• M2: 600,336 km (0.085 R)
• M3: 978,669 km (0.101 R)
• M4: 1,266,795 km (0.078 R)
• M5: 1,970,054 km (0.111 R)
• M6: 2,457,444 km (0.102 R)
• M7: 3,673,525 km (0.085 R)
• M8: 5,723,166 km (0.108 R)
• M9: 6,833,481 km (0.059 R)
• M10: 7,274,496 km (0.106 R)
• M11: 8,392,740 km (0.03 R)
• M12: 8,945,953 km (0.1 R)
• M13: 10,752,048 km (0.11 R)
• M14: 11,684,192 km (0.073 R)
• M15: 13,961,371 km (0.095 R)
• M16: 17,461,512 km (0.054 R)
• M17: 18,592,921 km (0.101 R)
• M18: 20,917,672 km (0.109 R)
• M19: 21,848,171 km (0.093 R)
• M20: 26,135,945 km (0.109 R)
• M21: 40,330,090 km (0.086 R)
• M22: 42,301,341 km (0.102 R)
• M23: 43,650,714 km (0.102 R)

Kuiper Belt

Range: 30.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 15,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit