🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.51 AU - 0.67 AU

Year: 170 Days

Day: 35.2 Hours

Environment

Temp: 203 °C

Axial Tilt: 25.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.76 AU - 0.78 AU

Year: 253 Days

Day: 48 Hours

Environment

Temp: 141 °C

Axial Tilt: 26.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.7 AU - 1.12 AU

Year: 325 Days

Day: 47.5 Hours

Environment

Temp: 33 °C

Axial Tilt: 6.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.75 AU - 1.93 AU

Year: 935 Days

Day: 32.3 Hours

Environment

Temp: -72 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,502,450 km

• M1: 97,089 km (0.084 R)

Asteroid Belt

Center: 4.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.5

Radius: 11

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.29 AU - 8.09 AU

Year: 7991 Days

Day: 8.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,502,450 km

• M1: 145,858 km (0.063 R)
• M2: 713,881 km (0.107 R)
• M3: 1,062,145 km (0.095 R)
• M4: 1,871,469 km (0.085 R)
• M5: 2,790,449 km (0.048 R)
• M6: 3,249,864 km (0.047 R)
• M7: 4,496,314 km (0.083 R)
• M8: 8,359,080 km (0.107 R)
• M9: 9,912,355 km (0.101 R)
• M10: 10,621,000 km (0.064 R)
• M11: 10,987,664 km (0.116 R)
• M12: 11,553,743 km (0.053 R)
• M13: 12,744,093 km (0.082 R)
• M14: 14,069,231 km (0.104 R)
• M15: 14,512,190 km (0.097 R)
• M16: 17,304,584 km (0.11 R)
• M17: 18,331,873 km (0.106 R)
• M18: 21,366,166 km (0.095 R)
• M19: 22,248,644 km (0.068 R)
• M20: 23,308,545 km (0.097 R)
• M21: 25,529,026 km (0.097 R)
• M22: 26,606,580 km (0.119 R)
• M23: 27,455,847 km (0.072 R)
• M24: 29,929,896 km (0.067 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 13,362 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit