🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.46 AU - 0.76 AU

Year: 181 Days

Day: 45.8 Hours

Environment

Temp: 109 °C

Axial Tilt: 39.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.92 AU - 1.3 AU

Year: 445 Days

Day: 20.2 Hours

Environment

Temp: 9 °C

Axial Tilt: 47.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.34 AU - 2.16 AU

Year: 882 Days

Day: 20.2 Hours

Environment

Temp: -68 °C

Axial Tilt: 48.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.81 AU - 2.43 AU

Year: 1175 Days

Day: 23.9 Hours

Environment

Temp: -92 °C

Axial Tilt: 55 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.9

Radius: 11.3

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.65 AU - 5.09 AU

Year: 4093 Days

Day: 10.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,726,462 km

• M1: 148,551 km (0.106 R)
• M2: 539,001 km (0.103 R)
• M3: 2,269,848 km (0.039 R)
• M4: 3,600,821 km (0.11 R)
• M5: 6,944,184 km (0.103 R)
• M6: 10,042,505 km (0.076 R)
• M7: 10,584,349 km (0.065 R)
• M8: 13,796,664 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.2

Radius: 12.6

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.36 AU - 8.46 AU

Year: 6917 Days

Day: 14.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,726,462 km

• M1: 156,629 km (0.094 R)
• M2: 594,652 km (0.085 R)
• M3: 1,263,055 km (0.072 R)
• M4: 2,912,072 km (0.09 R)
• M5: 3,707,634 km (0.089 R)
• M6: 4,615,394 km (0.03 R)
• M7: 5,319,700 km (0.073 R)
• M8: 6,230,901 km (0.048 R)
• M9: 6,943,436 km (0.082 R)
• M10: 7,669,883 km (0.105 R)
• M11: 10,544,556 km (0.11 R)
• M12: 12,800,940 km (0.112 R)
• M13: 13,776,019 km (0.107 R)
• M14: 15,489,364 km (0.107 R)
• M15: 17,272,121 km (0.041 R)
• M16: 22,038,160 km (0.104 R)
• M17: 24,374,729 km (0.119 R)
• M18: 24,808,712 km (0.088 R)
• M19: 26,051,422 km (0.066 R)
• M20: 34,720,918 km (0.063 R)
• M21: 35,270,840 km (0.111 R)
• M22: 38,107,365 km (0.097 R)
• M23: 39,402,284 km (0.087 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 14,223 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit