🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.52 AU - 0.54 AU

Year: 138 Days

Day: 22.9 Hours

Environment

Temp: 240 °C

Axial Tilt: 25.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,737,282 km

• M1: 51,611 km (0.043 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.82 AU - 2.1 AU

Year: 983 Days

Day: 41.8 Hours

Environment

Temp: -61 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,737,282 km

• M1: 23,188 km (0.056 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.59 AU - 3.45 AU

Year: 1880 Days

Day: 18.9 Hours

Environment

Temp: -93 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,737,282 km

• M1: 40,840 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.63 AU - 4.23 AU

Year: 2790 Days

Day: 37.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.81 AU - 5.39 AU

Year: 4125 Days

Day: 33.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 12.57 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 20.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.1

Radius: 3.4

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 19.69 AU - 20.37 AU

Year: 32107 Days

Day: 19.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,737,282 km

• M1: 42,336 km (0.076 R)
• M2: 149,747 km (0.05 R)
• M3: 399,426 km (0.086 R)
• M4: 750,233 km (0.112 R)
• M5: 1,750,145 km (0.098 R)
• M6: 2,017,776 km (0.101 R)
• M7: 3,580,924 km (0.095 R)
• M8: 5,443,418 km (0.115 R)
• M9: 16,312,451 km (0.034 R)
• M10: 20,933,080 km (0.072 R)
• M11: 30,959,878 km (0.037 R)
• M12: 33,505,734 km (0.061 R)

Kuiper Belt

Range: 30.6 - 55.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 17,267 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit