🌌 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: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.53 AU - 0.55 AU

Year: 146 Days

Day: 35.4 Hours

Environment

Temp: 197 °C

Axial Tilt: 113.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.78 AU - 0.8 AU

Year: 259 Days

Day: 46.4 Hours

Environment

Temp: 85 °C

Axial Tilt: 19.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.9 AU - 1.22 AU

Year: 403 Days

Day: 33.3 Hours

Environment

Temp: 15 °C

Axial Tilt: 25.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 18,312,296 km

• M1: 110,254 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.34 AU - 3.92 AU

Year: 2552 Days

Day: 16.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.14 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.7

Radius: 8.2

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.61 AU - 4.69 AU

Year: 3700 Days

Day: 5.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 18,312,296 km

• M1: 102,774 km (0.048 R)
• M2: 407,953 km (0.043 R)
• M3: 709,393 km (0.102 R)
• M4: 1,083,238 km (0.064 R)
• M5: 1,409,062 km (0.085 R)
• M6: 1,669,063 km (0.098 R)
• M7: 2,158,398 km (0.039 R)
• M8: 2,521,323 km (0.118 R)
• M9: 2,987,918 km (0.038 R)
• M10: 3,879,821 km (0.103 R)
• M11: 4,315,300 km (0.075 R)
• M12: 5,260,759 km (0.114 R)
• M13: 6,337,863 km (0.067 R)
• M14: 7,259,237 km (0.07 R)
• M15: 8,623,120 km (0.102 R)
• M16: 8,888,357 km (0.114 R)
• M17: 9,159,130 km (0.097 R)
• M18: 11,447,678 km (0.059 R)
• M19: 13,596,053 km (0.105 R)
• M20: 15,851,241 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.7

Radius: 13.8

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 6.33 AU - 9.05 AU

Year: 7868 Days

Day: 8.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,312,296 km

• M1: 173,833 km (0.041 R)
• M2: 656,585 km (0.119 R)
• M3: 1,506,002 km (0.037 R)
• M4: 2,292,887 km (0.094 R)
• M5: 3,620,268 km (0.041 R)
• M6: 5,652,107 km (0.026 R)
• M7: 6,664,436 km (0.076 R)
• M8: 8,747,287 km (0.086 R)
• M9: 11,831,247 km (0.099 R)
• M10: 17,455,379 km (0.09 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 12,866 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit