🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.53 AU - 0.63 AU

Year: 126 Days

Day: 25.8 Hours

Environment

Temp: 353 °C

Axial Tilt: 38.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 62,031,287 km

• M1: 48,769 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.65 AU - 0.75 AU

Year: 167 Days

Day: 19.2 Hours

Environment

Temp: 322 °C

Axial Tilt: 18.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.83 AU - 0.87 AU

Year: 224 Days

Day: 34 Hours

Environment

Temp: 297 °C

Axial Tilt: 31.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.79 AU - 1.17 AU

Year: 277 Days

Day: 31.7 Hours

Environment

Temp: 233 °C

Axial Tilt: 37.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.92 AU - 1.96 AU

Year: 771 Days

Day: 43.6 Hours

Environment

Temp: 138 °C

Axial Tilt: 16.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.93 AU - 3.95 AU

Year: 1820 Days

Day: 19.7 Hours

Environment

Temp: -39 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,031,287 km

• M1: 46,525 km (0.081 R)

Planet 7 - Terrestrial

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 8.34 AU - 9.64 AU

Year: 7688 Days

Day: 43.3 Hours

Environment

Temp: -114 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 62,031,287 km

• M1: 342,878 km (0.071 R)
• M2: 5,021,552 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260.7

Radius: 4.9

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 17.56 AU - 20.7 AU

Year: 23864 Days

Day: 16.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,031,287 km

• M1: 92,601 km (0.114 R)
• M2: 296,204 km (0.087 R)
• M3: 541,993 km (0.056 R)
• M4: 1,541,307 km (0.093 R)
• M5: 1,734,139 km (0.063 R)
• M6: 2,129,825 km (0.105 R)
• M7: 3,099,219 km (0.029 R)
• M8: 3,515,400 km (0.119 R)
• M9: 6,536,081 km (0.071 R)
• M10: 14,196,389 km (0.079 R)
• M11: 23,191,260 km (0.104 R)
• M12: 27,371,922 km (0.05 R)
• M13: 27,587,792 km (0.097 R)
• M14: 28,795,645 km (0.099 R)
• M15: 30,038,205 km (0.091 R)
• M16: 31,552,435 km (0.117 R)
• M17: 32,147,984 km (0.067 R)
• M18: 34,858,249 km (0.079 R)
• M19: 41,434,122 km (0.061 R)
• M20: 45,388,144 km (0.09 R)
• M21: 47,068,576 km (0.085 R)
• M22: 47,223,410 km (0.047 R)
• M23: 54,888,356 km (0.035 R)
• M24: 55,749,442 km (0.094 R)
• M25: 60,738,979 km (0.061 R)

Kuiper Belt

Range: 38.4 - 56.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 18,345 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit