🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.58 AU - 0.84 AU

Year: 213 Days

Day: 31.4 Hours

Environment

Temp: 204 °C

Axial Tilt: 15.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.69 AU - 0.79 AU

Year: 227 Days

Day: 24.1 Hours

Environment

Temp: 178 °C

Axial Tilt: 46.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.43 AU - 1.57 AU

Year: 655 Days

Day: 44.8 Hours

Environment

Temp: -10 °C

Axial Tilt: 39 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 33,998,757 km

• M1: 775,964 km (0.065 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.15 AU - 1.91 AU

Year: 675 Days

Day: 29.8 Hours

Environment

Temp: -36 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,998,757 km

• M1: 257,757 km (0.119 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.46 AU - 2.04 AU

Year: 825 Days

Day: 31.2 Hours

Environment

Temp: -44 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 33,998,757 km

• M1: 38,297 km (0.049 R)
• M2: 181,313 km (0.077 R)

Asteroid Belt

Center: 3.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.7

Radius: 8.9

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.37 AU - 6.21 AU

Year: 4337 Days

Day: 8.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,998,757 km

• M1: 110,702 km (0.091 R)
• M2: 552,465 km (0.085 R)
• M3: 1,053,169 km (0.091 R)
• M4: 1,948,363 km (0.06 R)
• M5: 2,301,414 km (0.107 R)
• M6: 3,101,912 km (0.095 R)
• M7: 4,339,086 km (0.085 R)
• M8: 4,776,959 km (0.066 R)
• M9: 6,739,534 km (0.06 R)
• M10: 8,085,167 km (0.117 R)
• M11: 9,832,619 km (0.103 R)
• M12: 11,950,925 km (0.119 R)
• M13: 15,277,383 km (0.106 R)
• M14: 19,727,770 km (0.072 R)
• M15: 22,926,023 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.1

Radius: 12.9

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 12.5 AU - 12.62 AU

Year: 15866 Days

Day: 9.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 73.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,998,757 km

• M1: 181,163 km (0.11 R)
• M2: 2,342,403 km (0.115 R)
• M3: 3,023,373 km (0.098 R)
• M4: 3,540,832 km (0.104 R)
• M5: 5,698,632 km (0.114 R)
• M6: 9,977,580 km (0.099 R)
• M7: 11,325,008 km (0.119 R)
• M8: 12,790,468 km (0.116 R)
• M9: 18,478,628 km (0.049 R)
• M10: 24,176,512 km (0.116 R)
• M11: 25,076,044 km (0.041 R)
• M12: 30,948,359 km (0.11 R)

Kuiper Belt

Range: 30.8 - 54.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 15,824 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit