🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.68 AU - 0.72 AU

Year: 210 Days

Day: 19.1 Hours

Environment

Temp: 191 °C

Axial Tilt: 4.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.26 AU - 3.34 AU

Year: 1678 Days

Day: 30.3 Hours

Environment

Temp: -96 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.58 AU - 3.84 AU

Year: 2060 Days

Day: 37.3 Hours

Environment

Temp: -95 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.18 AU - 4.94 AU

Year: 2930 Days

Day: 47.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,263,417 km

• M1: 1,923,829 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.9

Radius: 13.6

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.65 AU - 8.73 AU

Year: 7638 Days

Day: 11.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,263,417 km

• M1: 170,242 km (0.093 R)
• M2: 622,926 km (0.098 R)
• M3: 1,416,841 km (0.115 R)
• M4: 2,010,595 km (0.067 R)
• M5: 2,433,957 km (0.083 R)
• M6: 2,917,906 km (0.104 R)
• M7: 4,612,402 km (0.117 R)
• M8: 5,360,840 km (0.11 R)
• M9: 6,188,714 km (0.104 R)
• M10: 7,496,798 km (0.076 R)
• M11: 8,735,020 km (0.104 R)
• M12: 9,575,610 km (0.112 R)
• M13: 10,015,727 km (0.109 R)
• M14: 11,320,819 km (0.114 R)
• M15: 12,371,894 km (0.105 R)
• M16: 12,841,780 km (0.117 R)
• M17: 13,269,481 km (0.063 R)
• M18: 14,097,206 km (0.06 R)
• M19: 14,959,189 km (0.056 R)
• M20: 15,916,914 km (0.115 R)
• M21: 17,756,669 km (0.1 R)
• M22: 18,762,116 km (0.1 R)
• M23: 20,813,103 km (0.106 R)
• M24: 22,697,887 km (0.088 R)
• M25: 24,611,991 km (0.067 R)
• M26: 32,160,251 km (0.098 R)
• M27: 33,351,200 km (0.117 R)
• M28: 34,059,246 km (0.103 R)

Kuiper Belt

Range: 30.6 - 58.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 19,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit