🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.89 AU - 1.39 AU

Year: 428 Days

Day: 28.6 Hours

Environment

Temp: 28 °C

Axial Tilt: 46.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.13 AU - 1.27 AU

Year: 462 Days

Day: 24.4 Hours

Environment

Temp: 34 °C

Axial Tilt: 27.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.44 AU - 1.85 AU

Year: 738 Days

Day: 46.6 Hours

Environment

Temp: -23 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,749,077 km

• M1: 30,518 km (0.065 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.32 AU - 3.54 AU

Year: 1763 Days

Day: 43.1 Hours

Environment

Temp: -79 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 15.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531

Radius: 7.5

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 15.11 AU - 16.11 AU

Year: 21676 Days

Day: 20 Hours

Environment

Temp: -187 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,749,077 km

• M1: 93,349 km (0.025 R)
• M2: 327,171 km (0.049 R)
• M3: 1,591,871 km (0.108 R)
• M4: 1,889,720 km (0.07 R)
• M5: 2,142,242 km (0.105 R)
• M6: 3,197,505 km (0.104 R)
• M7: 3,472,765 km (0.101 R)
• M8: 4,296,600 km (0.062 R)
• M9: 6,716,047 km (0.098 R)
• M10: 12,481,998 km (0.117 R)
• M11: 13,097,892 km (0.104 R)
• M12: 13,448,699 km (0.045 R)
• M13: 20,508,222 km (0.047 R)
• M14: 29,220,204 km (0.102 R)
• M15: 36,546,610 km (0.075 R)
• M16: 45,487,028 km (0.034 R)
• M17: 47,599,200 km (0.103 R)
• M18: 50,116,783 km (0.113 R)
• M19: 50,630,651 km (0.094 R)
• M20: 62,054,992 km (0.073 R)
• M21: 73,528,401 km (0.064 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: 164 - 18,225 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit