🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.68 AU - 1.04 AU

Year: 299 Days

Day: 37.1 Hours

Environment

Temp: 109 °C

Axial Tilt: 15.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,566,962 km

• M1: 64,177 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.84 AU - 1.02 AU

Year: 336 Days

Day: 35.1 Hours

Environment

Temp: 42 °C

Axial Tilt: 154.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 72,566,962 km

• M1: 187,895 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.4

Radius: 14.6

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.16 AU - 6.78 AU

Year: 5466 Days

Day: 10.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,566,962 km

• M1: 181,612 km (0.119 R)
• M2: 772,972 km (0.05 R)
• M3: 3,702,697 km (0.106 R)
• M4: 4,269,074 km (0.093 R)
• M5: 7,114,576 km (0.09 R)
• M6: 11,078,470 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.3

Radius: 14.4

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 10.25 AU - 13.53 AU

Year: 15364 Days

Day: 5.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,566,962 km

• M1: 180,864 km (0.106 R)
• M2: 654,491 km (0.106 R)
• M3: 1,654,403 km (0.054 R)
• M4: 2,162,437 km (0.115 R)
• M5: 2,952,015 km (0.084 R)
• M6: 3,955,069 km (0.043 R)
• M7: 4,753,323 km (0.08 R)
• M8: 6,206,666 km (0.088 R)
• M9: 7,673,772 km (0.105 R)
• M10: 8,256,905 km (0.096 R)
• M11: 10,616,662 km (0.056 R)
• M12: 11,228,218 km (0.086 R)
• M13: 13,332,461 km (0.063 R)
• M14: 13,848,275 km (0.105 R)
• M15: 15,902,254 km (0.093 R)
• M16: 17,303,986 km (0.055 R)
• M17: 23,837,074 km (0.076 R)
• M18: 26,168,856 km (0.119 R)
• M19: 29,618,284 km (0.118 R)
• M20: 30,387,217 km (0.081 R)
• M21: 35,899,151 km (0.079 R)
• M22: 37,789,769 km (0.081 R)
• M23: 46,165,753 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.2

Radius: 6.1

Gravity: 19.03 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 10.86 AU - 15.88 AU

Year: 18320 Days

Day: 24.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,566,962 km

• M1: 75,846 km (0.112 R)
• M2: 301,440 km (0.073 R)
• M3: 512,822 km (0.112 R)
• M4: 923,767 km (0.081 R)
• M5: 1,277,865 km (0.112 R)
• M6: 2,657,307 km (0.118 R)
• M7: 4,611,654 km (0.109 R)
• M8: 6,463,825 km (0.079 R)
• M9: 8,709,289 km (0.06 R)
• M10: 9,356,449 km (0.08 R)
• M11: 10,807,100 km (0.097 R)
• M12: 11,490,612 km (0.088 R)
• M13: 18,724,866 km (0.101 R)
• M14: 25,693,733 km (0.077 R)
• M15: 26,573,219 km (0.111 R)
• M16: 30,050,472 km (0.097 R)
• M17: 39,030,234 km (0.038 R)
• M18: 43,349,274 km (0.092 R)
• M19: 44,751,754 km (0.093 R)
• M20: 46,830,566 km (0.041 R)
• M21: 55,608,520 km (0.12 R)
• M22: 72,566,935 km (0.112 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 17,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit