🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.57 AU - 0.81 AU

Year: 217 Days

Day: 18.3 Hours

Environment

Temp: 168 °C

Axial Tilt: 20.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.72 AU - 1.08 AU

Year: 323 Days

Day: 36.4 Hours

Environment

Temp: 29 °C

Axial Tilt: 35.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.78 AU - 1.2 AU

Year: 373 Days

Day: 19 Hours

Environment

Temp: 25 °C

Axial Tilt: 25.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.3

Radius: 11.6

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.17 AU - 4.55 AU

Year: 3448 Days

Day: 12.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,478,638 km

• M1: 144,362 km (0.103 R)
• M2: 505,790 km (0.066 R)
• M3: 957,726 km (0.112 R)
• M4: 1,369,120 km (0.103 R)
• M5: 1,760,917 km (0.074 R)
• M6: 2,215,245 km (0.087 R)
• M7: 2,655,661 km (0.074 R)
• M8: 3,188,679 km (0.113 R)
• M9: 4,759,755 km (0.114 R)
• M10: 5,474,833 km (0.038 R)
• M11: 6,097,310 km (0.117 R)
• M12: 6,708,717 km (0.112 R)
• M13: 8,087,261 km (0.037 R)
• M14: 8,552,361 km (0.081 R)
• M15: 9,905,773 km (0.107 R)
• M16: 11,520,831 km (0.1 R)
• M17: 14,096,308 km (0.088 R)
• M18: 14,722,375 km (0.086 R)
• M19: 15,467,672 km (0.118 R)
• M20: 15,978,399 km (0.027 R)
• M21: 17,033,662 km (0.054 R)
• M22: 17,966,704 km (0.06 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 558 - 16,690 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit