🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.86 AU - 1.24 AU

Year: 395 Days

Day: 14 Hours

Environment

Temp: 23 °C

Axial Tilt: 84.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 83,724,591 km

• M1: 45,478 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.88 AU - 1.36 AU

Year: 435 Days

Day: 24.6 Hours

Environment

Temp: 24 °C

Axial Tilt: 23.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.14 AU - 1.66 AU

Year: 608 Days

Day: 41.1 Hours

Environment

Temp: -28 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,724,591 km

• M1: 401,371 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.62 AU - 3.66 AU

Year: 2043 Days

Day: 20 Hours

Environment

Temp: -117 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.55 AU - 3.85 AU

Year: 2613 Days

Day: 46.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.05 AU - 4.61 AU

Year: 2752 Days

Day: 38.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,724,591 km

• M1: 239,805 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.6

Radius: 7.8

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 16.66 AU - 22.26 AU

Year: 31513 Days

Day: 21 Hours

Environment

Temp: -191 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,724,591 km

• M1: 106,214 km (0.12 R)
• M2: 362,625 km (0.11 R)
• M3: 726,746 km (0.114 R)
• M4: 987,496 km (0.096 R)
• M5: 1,893,759 km (0.114 R)
• M6: 2,222,127 km (0.119 R)
• M7: 2,686,030 km (0.101 R)
• M8: 3,412,926 km (0.116 R)
• M9: 6,381,696 km (0.105 R)
• M10: 8,237,008 km (0.106 R)
• M11: 9,003,099 km (0.109 R)
• M12: 12,831,309 km (0.057 R)
• M13: 19,078,815 km (0.106 R)
• M14: 20,221,294 km (0.097 R)
• M15: 28,536,093 km (0.067 R)
• M16: 32,496,098 km (0.108 R)
• M17: 38,723,708 km (0.092 R)
• M18: 44,375,665 km (0.108 R)
• M19: 47,741,617 km (0.115 R)
• M20: 52,550,142 km (0.064 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 16,529 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit