🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.49 AU - 0.73 AU

Year: 146 Days

Day: 17 Hours

Environment

Temp: 345 °C

Axial Tilt: 23.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,633,144 km

• M1: 150,495 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.98 AU - 1.44 AU

Year: 407 Days

Day: 30.9 Hours

Environment

Temp: 193 °C

Axial Tilt: 35.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,633,144 km

• M1: 476,170 km (0.089 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.32 AU - 1.8 AU

Year: 595 Days

Day: 33.7 Hours

Environment

Temp: 154 °C

Axial Tilt: 20 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.41 AU - 1.85 AU

Year: 636 Days

Day: 24.9 Hours

Environment

Temp: 120 °C

Axial Tilt: 16.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,633,144 km

• M1: 675,584 km (0.075 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.41 AU - 2.85 AU

Year: 1303 Days

Day: 14.6 Hours

Environment

Temp: -29 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,633,144 km

• M1: 1,589,029 km (0.052 R)

Planet 6 - Terrestrial

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.62 AU - 6.5 AU

Year: 4556 Days

Day: 33.4 Hours

Environment

Temp: -103 °C

Axial Tilt: 116.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.5

Radius: 9.9

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 9.6 AU - 12.46 AU

Year: 11189 Days

Day: 9.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,633,144 km

• M1: 126,410 km (0.067 R)
• M2: 446,849 km (0.045 R)
• M3: 1,000,959 km (0.051 R)
• M4: 1,381,237 km (0.117 R)
• M5: 1,760,917 km (0.062 R)
• M6: 2,136,108 km (0.052 R)
• M7: 2,606,593 km (0.11 R)
• M8: 3,073,937 km (0.098 R)
• M9: 3,622,662 km (0.111 R)
• M10: 3,948,935 km (0.074 R)
• M11: 4,723,852 km (0.079 R)
• M12: 6,815,081 km (0.1 R)
• M13: 7,661,206 km (0.079 R)
• M14: 8,623,420 km (0.098 R)
• M15: 10,842,106 km (0.052 R)
• M16: 11,350,738 km (0.12 R)
• M17: 12,972,379 km (0.077 R)
• M18: 15,579,571 km (0.092 R)
• M19: 16,595,191 km (0.064 R)
• M20: 18,279,513 km (0.099 R)
• M21: 19,990,763 km (0.078 R)
• M22: 20,669,938 km (0.101 R)
• M23: 23,447,821 km (0.094 R)
• M24: 24,394,626 km (0.067 R)
• M25: 32,208,422 km (0.104 R)
• M26: 34,333,609 km (0.084 R)
• M27: 41,816,046 km (0.104 R)
• M28: 44,199,289 km (0.081 R)

Kuiper Belt

Range: 35.9 - 55.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 16,933 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit