🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.56 AU - 0.7 AU

Year: 188 Days

Day: 47.2 Hours

Environment

Temp: 168 °C

Axial Tilt: 22.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.1 AU - 1.14 AU

Year: 447 Days

Day: 20.4 Hours

Environment

Temp: -10 °C

Axial Tilt: 49.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.8

Radius: 13.4

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.51 AU - 5.35 AU

Year: 3513 Days

Day: 9.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,569,593 km

• M1: 169,195 km (0.099 R)
• M2: 781,050 km (0.094 R)
• M3: 1,292,226 km (0.103 R)
• M4: 2,651,173 km (0.089 R)
• M5: 3,278,737 km (0.064 R)
• M6: 5,751,290 km (0.107 R)
• M7: 7,150,629 km (0.104 R)
• M8: 10,019,317 km (0.086 R)
• M9: 10,689,217 km (0.118 R)
• M10: 11,668,933 km (0.074 R)
• M11: 16,397,572 km (0.051 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 18,589 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit