🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.56 AU - 0.74 AU

Year: 184 Days

Day: 27.2 Hours

Environment

Temp: 164 °C

Axial Tilt: 24.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 65,726,099 km

• M1: 60,138 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.23 AU - 1.58 AU

Year: 582 Days

Day: 13 Hours

Environment

Temp: -5 °C

Axial Tilt: 11.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 65,726,099 km

• M1: 70,012 km (0.086 R)
• M2: 87,216 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.66 AU - 2.02 AU

Year: 877 Days

Day: 21.7 Hours

Environment

Temp: -40 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.86 AU - 1.96 AU

Year: 928 Days

Day: 40.6 Hours

Environment

Temp: -47 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.22 AU - 4.44 AU

Year: 3167 Days

Day: 16.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 13.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594.2

Radius: 6

Gravity: 16.51 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 10.36 AU - 16.44 AU

Year: 17240 Days

Day: 22.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,726,099 km

• M1: 74,649 km (0.073 R)
• M2: 319,092 km (0.058 R)
• M3: 1,440,029 km (0.107 R)
• M4: 1,811,929 km (0.104 R)
• M5: 3,011,854 km (0.1 R)
• M6: 3,734,262 km (0.114 R)
• M7: 3,939,062 km (0.044 R)
• M8: 5,330,920 km (0.082 R)
• M9: 5,629,069 km (0.078 R)
• M10: 5,859,898 km (0.105 R)
• M11: 6,934,310 km (0.087 R)
• M12: 8,085,615 km (0.112 R)
• M13: 8,479,656 km (0.116 R)
• M14: 9,041,995 km (0.08 R)
• M15: 9,252,628 km (0.069 R)
• M16: 9,520,408 km (0.102 R)
• M17: 9,903,977 km (0.074 R)
• M18: 10,297,869 km (0.099 R)
• M19: 11,728,024 km (0.084 R)
• M20: 14,976,243 km (0.095 R)
• M21: 17,609,465 km (0.034 R)
• M22: 19,643,846 km (0.103 R)
• M23: 23,671,469 km (0.11 R)
• M24: 24,273,900 km (0.106 R)
• M25: 27,003,014 km (0.1 R)
• M26: 28,894,081 km (0.099 R)
• M27: 29,697,720 km (0.118 R)
• M28: 30,163,568 km (0.1 R)
• M29: 30,752,834 km (0.085 R)
• M30: 31,832,632 km (0.043 R)
• M31: 34,067,773 km (0.102 R)
• M32: 35,353,567 km (0.11 R)
• M33: 38,571,118 km (0.063 R)
• M34: 46,201,058 km (0.076 R)
• M35: 48,094,219 km (0.11 R)
• M36: 51,030,078 km (0.081 R)
• M37: 60,924,331 km (0.094 R)

Kuiper Belt

Range: 31.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 12,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit