🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.61 AU - 0.89 AU

Year: 235 Days

Day: 45.6 Hours

Environment

Temp: 117 °C

Axial Tilt: 29.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.57 AU - 0.95 AU

Year: 240 Days

Day: 40.5 Hours

Environment

Temp: 139 °C

Axial Tilt: 15.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.6 AU - 2.16 AU

Year: 932 Days

Day: 12.1 Hours

Environment

Temp: -56 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.08 AU - 4.02 AU

Year: 2419 Days

Day: 18.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,381,122 km

• M1: 920,625 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160.5

Radius: 4.1

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 13.91 AU - 17.27 AU

Year: 22262 Days

Day: 21.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,381,122 km

• M1: 51,162 km (0.084 R)
• M2: 3,941,904 km (0.109 R)
• M3: 5,547,837 km (0.114 R)
• M4: 6,192,454 km (0.081 R)
• M5: 9,769,788 km (0.025 R)
• M6: 10,867,986 km (0.105 R)
• M7: 12,516,405 km (0.098 R)
• M8: 16,946,896 km (0.096 R)
• M9: 21,884,074 km (0.102 R)
• M10: 24,584,016 km (0.064 R)
• M11: 48,150,019 km (0.061 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 10,568 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit