🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.58 AU - 0.7 AU

Year: 185 Days

Day: 14.5 Hours

Environment

Temp: 159 °C

Axial Tilt: 19.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.62 AU - 0.94 AU

Year: 249 Days

Day: 27.9 Hours

Environment

Temp: 185 °C

Axial Tilt: 1.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.84 AU - 1.16 AU

Year: 362 Days

Day: 37.8 Hours

Environment

Temp: 49 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 16,629,064 km

• M1: 251,923 km (0.117 R)
• M2: 336,894 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.39 AU - 2.13 AU

Year: 844 Days

Day: 34.8 Hours

Environment

Temp: -57 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,629,064 km

• M1: 51,013 km (0.057 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.05 AU - 2.73 AU

Year: 1336 Days

Day: 15.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.43 AU - 3.19 AU

Year: 1704 Days

Day: 47.5 Hours

Environment

Temp: -89 °C

Axial Tilt: 27.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.61 AU - 3.99 AU

Year: 2679 Days

Day: 28.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 43.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,629,064 km

• M1: 2,042,460 km (0.103 R)

Asteroid Belt

Center: 5.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.6

Radius: 9.7

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.79 AU - 7.29 AU

Year: 6049 Days

Day: 6.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 16,629,064 km

• M1: 120,576 km (0.084 R)
• M2: 635,641 km (0.077 R)
• M3: 1,525,898 km (0.1 R)
• M4: 2,405,534 km (0.08 R)
• M5: 4,325,024 km (0.104 R)
• M6: 4,671,642 km (0.083 R)
• M7: 5,274,671 km (0.039 R)
• M8: 8,819,542 km (0.105 R)
• M9: 10,763,866 km (0.073 R)
• M10: 11,200,692 km (0.067 R)
• M11: 12,669,743 km (0.116 R)
• M12: 13,610,564 km (0.036 R)
• M13: 15,833,139 km (0.076 R)
• M14: 16,871,199 km (0.1 R)
• M15: 17,191,189 km (0.072 R)
• M16: 19,605,100 km (0.082 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.1

Radius: 10.1

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.31 AU - 7.57 AU

Year: 7339 Days

Day: 7.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 95.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 16,629,064 km

• M1: 125,662 km (0.103 R)
• M2: 708,047 km (0.1 R)
• M3: 1,296,714 km (0.109 R)
• M4: 2,695,604 km (0.064 R)
• M5: 12,976,718 km (0.103 R)
• M6: 13,486,098 km (0.062 R)
• M7: 14,910,121 km (0.03 R)

Kuiper Belt

Range: 30.3 - 46.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 19,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit