🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.24 AU - 1.44 AU

Year: 543 Days

Day: 36.5 Hours

Environment

Temp: 17 °C

Axial Tilt: 9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 70,873,627 km

• M1: 138,228 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.46 AU - 1.6 AU

Year: 662 Days

Day: 46.9 Hours

Environment

Temp: -4 °C

Axial Tilt: 20.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.38 AU - 2.22 AU

Year: 845 Days

Day: 28.9 Hours

Environment

Temp: -35 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,873,627 km

• M1: 15,259 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.46 AU - 3.06 AU

Year: 1604 Days

Day: 45.5 Hours

Environment

Temp: -85 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.42 AU - 4.82 AU

Year: 2926 Days

Day: 24 Hours

Environment

Temp: -115 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.23 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 16.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.7

Radius: 5.1

Gravity: 15.94 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 15.74 AU - 16.94 AU

Year: 23108 Days

Day: 24.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,873,627 km

• M1: 71,209 km (0.097 R)
• M2: 297,700 km (0.088 R)
• M3: 655,837 km (0.051 R)
• M4: 1,457,233 km (0.047 R)
• M5: 1,790,387 km (0.052 R)
• M6: 2,996,445 km (0.118 R)
• M7: 3,948,935 km (0.065 R)
• M8: 6,177,943 km (0.056 R)
• M9: 6,602,352 km (0.09 R)
• M10: 10,193,300 km (0.109 R)
• M11: 11,716,356 km (0.084 R)
• M12: 13,950,899 km (0.077 R)
• M13: 20,513,758 km (0.036 R)
• M14: 22,624,434 km (0.051 R)
• M15: 26,824,993 km (0.057 R)
• M16: 32,014,244 km (0.117 R)
• M17: 32,770,012 km (0.048 R)
• M18: 37,278,293 km (0.094 R)
• M19: 41,140,013 km (0.111 R)
• M20: 52,897,957 km (0.077 R)
• M21: 58,315,943 km (0.104 R)
• M22: 64,890,021 km (0.114 R)

Kuiper Belt

Range: 31.4 - 59.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 16,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit