🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.34 AU - 1.5 AU

Year: 615 Days

Day: 21.6 Hours

Environment

Temp: -20 °C

Axial Tilt: 41.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 20,548,461 km

• M1: 67,319 km (0.105 R)
• M2: 602,281 km (0.038 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.74 AU - 1.78 AU

Year: 849 Days

Day: 22.9 Hours

Environment

Temp: -50 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,548,461 km

• M1: 1,007,542 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.28 AU - 3.04 AU

Year: 1577 Days

Day: 37.3 Hours

Environment

Temp: -100 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.35 AU - 3.17 AU

Year: 1666 Days

Day: 30.7 Hours

Environment

Temp: -86 °C

Axial Tilt: 5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.54 AU - 4.16 AU

Year: 2228 Days

Day: 42 Hours

Environment

Temp: -110 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,548,461 km

• M1: 1,286,990 km (0.101 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.56 AU - 4.78 AU

Year: 3668 Days

Day: 28.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,548,461 km

• M1: 2,798,378 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16.1

Radius: 3.3

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 10.26 AU - 17.02 AU

Year: 18308 Days

Day: 23.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,548,461 km

• M1: 270,323 km (0.093 R)
• M2: 320,139 km (0.097 R)
• M3: 1,280,408 km (0.064 R)
• M4: 1,329,027 km (0.064 R)
• M5: 2,042,759 km (0.036 R)
• M6: 7,010,605 km (0.11 R)
• M7: 7,444,289 km (0.12 R)
• M8: 8,796,654 km (0.093 R)
• M9: 8,982,604 km (0.094 R)
• M10: 10,417,996 km (0.042 R)
• M11: 10,565,499 km (0.119 R)
• M12: 11,011,899 km (0.102 R)
• M13: 11,212,211 km (0.049 R)
• M14: 11,871,788 km (0.092 R)
• M15: 12,491,572 km (0.079 R)
• M16: 13,789,483 km (0.101 R)
• M17: 13,870,415 km (0.09 R)
• M18: 15,157,406 km (0.118 R)
• M19: 16,596,388 km (0.111 R)
• M20: 16,970,233 km (0.089 R)
• M21: 17,550,523 km (0.098 R)
• M22: 18,969,908 km (0.108 R)

Kuiper Belt

Range: 30.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 16,962 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit