🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.1 AU - 1.6 AU

Year: 567 Days

Day: 34.8 Hours

Environment

Temp: 7 °C

Axial Tilt: 17.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.12 AU - 1.76 AU

Year: 625 Days

Day: 35 Hours

Environment

Temp: -32 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 65,293,638 km

• M1: 27,077 km (0.119 R)
• M2: 94,097 km (0.118 R)

Asteroid Belt

Center: 4.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.1

Radius: 11.6

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.58 AU - 7.92 AU

Year: 7803 Days

Day: 9.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,293,638 km

• M1: 144,512 km (0.03 R)
• M2: 878,738 km (0.086 R)
• M3: 2,060,561 km (0.099 R)
• M4: 2,605,995 km (0.117 R)
• M5: 3,110,140 km (0.066 R)
• M6: 4,034,206 km (0.08 R)
• M7: 5,607,078 km (0.086 R)
• M8: 6,420,741 km (0.1 R)
• M9: 7,840,873 km (0.113 R)
• M10: 9,337,749 km (0.062 R)
• M11: 9,834,714 km (0.107 R)
• M12: 10,971,957 km (0.098 R)
• M13: 13,506,444 km (0.104 R)
• M14: 19,568,897 km (0.079 R)
• M15: 22,890,120 km (0.087 R)
• M16: 25,917,532 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 394.6

Radius: 6

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 12.5 AU - 17.44 AU

Year: 20947 Days

Day: 21 Hours

Environment

Temp: -186 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,293,638 km

• M1: 187,297 km (0.061 R)
• M2: 442,511 km (0.064 R)
• M3: 817,552 km (0.101 R)
• M4: 1,156,092 km (0.067 R)
• M5: 2,055,475 km (0.106 R)
• M6: 2,548,549 km (0.084 R)
• M7: 3,324,813 km (0.108 R)
• M8: 4,033,308 km (0.115 R)
• M9: 5,668,263 km (0.033 R)
• M10: 6,547,749 km (0.073 R)
• M11: 9,192,191 km (0.104 R)
• M12: 12,089,303 km (0.117 R)
• M13: 13,469,194 km (0.09 R)
• M14: 14,878,107 km (0.045 R)
• M15: 16,382,463 km (0.049 R)
• M16: 23,814,036 km (0.091 R)
• M17: 28,930,882 km (0.118 R)
• M18: 33,843,825 km (0.074 R)

Kuiper Belt

Range: 30.3 - 47.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 11,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit