🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.65 AU - 0.79 AU

Year: 179 Days

Day: 32.4 Hours

Environment

Temp: 349 °C

Axial Tilt: 21.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 67,013,061 km

• M1: 349,760 km (0.044 R)
• M2: 392,246 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.82 AU - 1 AU

Year: 255 Days

Day: 19.6 Hours

Environment

Temp: 246 °C

Axial Tilt: 49 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.44 AU - 5.3 AU

Year: 2680 Days

Day: 39.3 Hours

Environment

Temp: -71 °C

Axial Tilt: 142.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 67,013,061 km

• M1: 1,246,898 km (0.106 R)
• M2: 1,672,803 km (0.12 R)

Planet 4 - Terrestrial

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.84 AU - 7.88 AU

Year: 5271 Days

Day: 13.9 Hours

Environment

Temp: -103 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 12.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 18.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.4

Radius: 3.2

Gravity: 34.32 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 17.22 AU - 19.5 AU

Year: 23080 Days

Day: 15.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,013,061 km

• M1: 40,242 km (0.071 R)
• M2: 141,669 km (0.073 R)
• M3: 551,867 km (0.101 R)
• M4: 677,978 km (0.102 R)
• M5: 988,992 km (0.108 R)
• M6: 1,848,132 km (0.059 R)
• M7: 2,213,899 km (0.097 R)
• M8: 2,911,324 km (0.059 R)
• M9: 3,515,400 km (0.041 R)
• M10: 3,657,070 km (0.115 R)
• M11: 9,241,109 km (0.034 R)
• M12: 13,585,880 km (0.118 R)
• M13: 23,707,672 km (0.081 R)
• M14: 28,068,749 km (0.116 R)
• M15: 33,060,232 km (0.083 R)
• M16: 37,101,918 km (0.046 R)
• M17: 43,687,216 km (0.098 R)
• M18: 45,369,743 km (0.078 R)
• M19: 51,513,728 km (0.062 R)
• M20: 64,239,420 km (0.096 R)

Kuiper Belt

Range: 37.4 - 54.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 15,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit