🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.85 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.55 AU - 1.85 AU

Year: 779 Days

Day: 24.8 Hours

Environment

Temp: -26 °C

Axial Tilt: 86.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.63 AU - 2.09 AU

Year: 892 Days

Day: 35.8 Hours

Environment

Temp: -40 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,784,382 km

• M1: 299,794 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.1

Radius: 12.7

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.94 AU - 6.46 AU

Year: 4783 Days

Day: 8.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,784,382 km

• M1: 157,975 km (0.107 R)
• M2: 582,833 km (0.068 R)
• M3: 1,333,815 km (0.11 R)
• M4: 1,885,681 km (0.11 R)
• M5: 3,419,209 km (0.098 R)
• M6: 4,515,313 km (0.062 R)
• M7: 5,314,764 km (0.116 R)
• M8: 5,974,640 km (0.096 R)
• M9: 15,619,663 km (0.057 R)
• M10: 16,287,767 km (0.079 R)
• M11: 20,837,338 km (0.089 R)
• M12: 24,573,844 km (0.095 R)

Kuiper Belt

Range: 31.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 16,544 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit