🌌 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: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.8 AU - 0.98 AU

Year: 308 Days

Day: 27.8 Hours

Environment

Temp: 75 °C

Axial Tilt: 25.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3 AU - 4.78 AU

Year: 2816 Days

Day: 33.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 44.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.9

Radius: 10.5

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.75 AU - 5.55 AU

Year: 4290 Days

Day: 5.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 14,860,592 km

• M1: 130,599 km (0.096 R)
• M2: 645,664 km (0.107 R)
• M3: 1,285,495 km (0.07 R)
• M4: 1,699,282 km (0.112 R)
• M5: 2,916,261 km (0.087 R)
• M6: 3,955,816 km (0.108 R)
• M7: 4,865,072 km (0.031 R)
• M8: 6,394,711 km (0.084 R)
• M9: 7,040,375 km (0.118 R)
• M10: 8,613,995 km (0.102 R)
• M11: 10,375,360 km (0.07 R)
• M12: 11,902,455 km (0.119 R)
• M13: 13,408,607 km (0.089 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 19,731 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit