🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.64 AU - 0.88 AU

Year: 232 Days

Day: 38.2 Hours

Environment

Temp: 187 °C

Axial Tilt: 2.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 21,736,793 km

• M1: 18,251 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.81 AU - 0.89 AU

Year: 274 Days

Day: 20.1 Hours

Environment

Temp: 155 °C

Axial Tilt: 17.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 21,736,793 km

• M1: 46,226 km (0.108 R)
• M2: 254,167 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.02 AU - 1.26 AU

Year: 426 Days

Day: 43.7 Hours

Environment

Temp: 36 °C

Axial Tilt: 46.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.39 AU - 2.71 AU

Year: 1425 Days

Day: 28.6 Hours

Environment

Temp: -83 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.9

Radius: 14.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.67 AU - 7.17 AU

Year: 5039 Days

Day: 7.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,736,793 km

• M1: 182,809 km (0.116 R)
• M2: 653,294 km (0.055 R)
• M3: 1,327,083 km (0.064 R)
• M4: 2,787,308 km (0.098 R)
• M5: 3,588,853 km (0.099 R)
• M6: 5,579,103 km (0.068 R)
• M7: 7,534,347 km (0.037 R)
• M8: 8,955,677 km (0.044 R)
• M9: 9,949,156 km (0.114 R)
• M10: 11,822,121 km (0.089 R)
• M11: 12,625,163 km (0.107 R)
• M12: 13,509,286 km (0.084 R)
• M13: 18,228,650 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.9

Radius: 10.7

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.7 AU - 8.5 AU

Year: 7330 Days

Day: 13.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,736,793 km

• M1: 133,142 km (0.045 R)
• M2: 512,822 km (0.08 R)
• M3: 854,353 km (0.116 R)
• M4: 1,245,253 km (0.106 R)
• M5: 2,305,154 km (0.113 R)
• M6: 3,422,799 km (0.112 R)
• M7: 4,050,213 km (0.084 R)
• M8: 6,986,071 km (0.116 R)
• M9: 7,606,902 km (0.083 R)
• M10: 8,641,371 km (0.071 R)
• M11: 9,579,200 km (0.045 R)
• M12: 10,825,052 km (0.066 R)
• M13: 11,614,180 km (0.059 R)
• M14: 12,892,045 km (0.062 R)
• M15: 14,905,633 km (0.118 R)
• M16: 15,517,488 km (0.08 R)
• M17: 17,342,582 km (0.052 R)
• M18: 19,008,803 km (0.096 R)
• M19: 20,842,125 km (0.093 R)
• M20: 21,478,514 km (0.076 R)

Kuiper Belt

Range: 31.4 - 49.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 11,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit