🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.71 AU - 1.19 AU

Year: 330 Days

Day: 24.3 Hours

Environment

Temp: 166 °C

Axial Tilt: 27.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 52,961,668 km

• M1: 95,743 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.02 AU - 1.4 AU

Year: 474 Days

Day: 25.9 Hours

Environment

Temp: 19 °C

Axial Tilt: 49.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 52,961,668 km

• M1: 115,041 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.09 AU - 1.49 AU

Year: 522 Days

Day: 40.5 Hours

Environment

Temp: 4 °C

Axial Tilt: 30 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.83 AU - 2.55 AU

Year: 1155 Days

Day: 42.5 Hours

Environment

Temp: -69 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.1 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.7

Radius: 5.5

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 13.64 AU - 22.36 AU

Year: 27221 Days

Day: 19.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,961,668 km

• M1: 69,413 km (0.105 R)
• M2: 250,576 km (0.111 R)
• M3: 623,973 km (0.114 R)
• M4: 1,030,580 km (0.064 R)
• M5: 1,292,825 km (0.106 R)
• M6: 1,583,942 km (0.044 R)
• M7: 2,598,365 km (0.089 R)
• M8: 3,158,011 km (0.105 R)
• M9: 3,767,473 km (0.039 R)
• M10: 4,422,263 km (0.12 R)
• M11: 4,666,855 km (0.087 R)
• M12: 5,050,723 km (0.069 R)
• M13: 6,253,191 km (0.057 R)
• M14: 8,167,894 km (0.106 R)
• M15: 11,550,601 km (0.083 R)
• M16: 12,252,215 km (0.093 R)
• M17: 13,999,219 km (0.102 R)
• M18: 15,344,254 km (0.091 R)
• M19: 17,520,005 km (0.08 R)
• M20: 19,565,008 km (0.091 R)
• M21: 26,146,865 km (0.044 R)
• M22: 28,701,847 km (0.083 R)
• M23: 38,756,320 km (0.093 R)
• M24: 40,987,722 km (0.042 R)
• M25: 42,613,402 km (0.037 R)
• M26: 43,720,875 km (0.049 R)

Kuiper Belt

Range: 30.8 - 56.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 14,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit