🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.47 AU - 0.61 AU

Year: 260 Days

Day: 43.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 96.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.42 AU - 0.68 AU

Year: 268 Days

Day: 43.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.8

Radius: 8.9

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.68 AU - 0.7 AU

Year: 376 Days

Day: 9 Hours

Environment

Temp: -146 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 6,057,247 km

• M1: 110,702 km (0.059 R)
• M2: 390,450 km (0.059 R)
• M3: 867,518 km (0.107 R)
• M4: 1,313,469 km (0.093 R)
• M5: 1,743,713 km (0.111 R)
• M6: 2,124,290 km (0.117 R)
• M7: 2,530,149 km (0.082 R)
• M8: 3,259,289 km (0.03 R)
• M9: 3,711,374 km (0.097 R)
• M10: 4,924,762 km (0.102 R)
• M11: 5,571,623 km (0.078 R)
• M12: 5,915,698 km (0.079 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: 226 - 18,904 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit