🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.74 AU - 0.86 AU

Year: 255 Days

Day: 15.5 Hours

Environment

Temp: 171 °C

Axial Tilt: 22.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 84,807,788 km

• M1: 249,828 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.61 AU - 1.01 AU

Year: 260 Days

Day: 16.9 Hours

Environment

Temp: 137 °C

Axial Tilt: 18.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 84,807,788 km

• M1: 23,786 km (0.113 R)
• M2: 248,781 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.77 AU - 1.99 AU

Year: 919 Days

Day: 41.5 Hours

Environment

Temp: -51 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,807,788 km

• M1: 628,161 km (0.069 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.16 AU - 5.5 AU

Year: 3784 Days

Day: 31.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 84,807,788 km

• M1: 16,905 km (0.114 R)
• M2: 86,318 km (0.098 R)

Asteroid Belt

Center: 9.81 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 14.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923

Radius: 4.8

Gravity: 40.06 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 12.81 AU - 16.77 AU

Year: 20274 Days

Day: 22.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 84,807,788 km

• M1: 79,885 km (0.066 R)
• M2: 282,441 km (0.037 R)
• M3: 454,478 km (0.114 R)
• M4: 878,738 km (0.037 R)
• M5: 1,290,880 km (0.045 R)
• M6: 1,464,862 km (0.118 R)
• M7: 1,900,192 km (0.082 R)
• M8: 3,449,727 km (0.077 R)
• M9: 4,352,400 km (0.081 R)
• M10: 5,203,762 km (0.106 R)
• M11: 5,900,589 km (0.099 R)
• M12: 7,035,588 km (0.089 R)
• M13: 7,782,380 km (0.075 R)
• M14: 8,580,635 km (0.11 R)
• M15: 10,030,238 km (0.113 R)
• M16: 16,424,649 km (0.092 R)
• M17: 17,553,814 km (0.118 R)
• M18: 19,107,238 km (0.112 R)
• M19: 21,759,309 km (0.112 R)
• M20: 24,424,396 km (0.07 R)
• M21: 26,356,003 km (0.025 R)
• M22: 29,253,116 km (0.104 R)
• M23: 29,503,692 km (0.091 R)
• M24: 33,847,715 km (0.12 R)
• M25: 36,677,808 km (0.114 R)
• M26: 42,002,744 km (0.114 R)
• M27: 46,445,950 km (0.084 R)
• M28: 53,029,453 km (0.097 R)
• M29: 60,817,070 km (0.107 R)
• M30: 61,841,067 km (0.055 R)
• M31: 65,837,125 km (0.115 R)

Kuiper Belt

Range: 30.8 - 58.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 14,722 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit