🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.49 AU - 0.67 AU

Year: 161 Days

Day: 22.7 Hours

Environment

Temp: 212 °C

Axial Tilt: 6.4 °

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: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.69 AU - 0.85 AU

Year: 247 Days

Day: 37.7 Hours

Environment

Temp: 143 °C

Axial Tilt: 2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.83 AU - 1.07 AU

Year: 338 Days

Day: 46.7 Hours

Environment

Temp: 25 °C

Axial Tilt: 61.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 28,246,158 km

• M1: 274,362 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.4 AU - 1.46 AU

Year: 625 Days

Day: 46.5 Hours

Environment

Temp: -29 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.43 AU - 3.91 AU

Year: 2061 Days

Day: 43 Hours

Environment

Temp: -99 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,246,158 km

• M1: 1,279,062 km (0.118 R)

Asteroid Belt

Center: 4.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.2

Radius: 9.8

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.33 AU - 7.79 AU

Year: 6137 Days

Day: 10.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,246,158 km

• M1: 121,922 km (0.12 R)
• M2: 450,888 km (0.075 R)
• M3: 1,132,605 km (0.067 R)
• M4: 1,546,393 km (0.11 R)
• M5: 2,103,047 km (0.119 R)
• M6: 2,485,120 km (0.119 R)
• M7: 3,098,022 km (0.064 R)
• M8: 3,512,408 km (0.102 R)
• M9: 4,308,867 km (0.046 R)
• M10: 5,087,524 km (0.111 R)
• M11: 6,105,987 km (0.082 R)
• M12: 6,568,543 km (0.1 R)
• M13: 7,221,388 km (0.104 R)
• M14: 8,771,372 km (0.09 R)
• M15: 9,122,029 km (0.12 R)
• M16: 9,686,013 km (0.039 R)
• M17: 11,798,036 km (0.098 R)
• M18: 12,614,541 km (0.067 R)
• M19: 14,902,790 km (0.036 R)
• M20: 17,762,054 km (0.041 R)
• M21: 19,222,578 km (0.105 R)
• M22: 21,106,614 km (0.032 R)
• M23: 25,869,661 km (0.073 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 10,954 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit