🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.32 AU - 3.34 AU

Year: 1766 Days

Day: 19.9 Hours

Environment

Temp: -107 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.74 AU - 3.1 AU

Year: 1850 Days

Day: 27.3 Hours

Environment

Temp: -110 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.28 AU - 4.46 AU

Year: 2823 Days

Day: 14.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,368,616 km

• M1: 52,958 km (0.056 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.39 AU - 4.35 AU

Year: 2823 Days

Day: 37.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.23 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.6

Radius: 10.8

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.6 AU - 5.56 AU

Year: 3635 Days

Day: 11.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,368,616 km

• M1: 134,488 km (0.086 R)
• M2: 476,320 km (0.119 R)
• M3: 955,332 km (0.045 R)
• M4: 1,361,041 km (0.11 R)
• M5: 2,167,673 km (0.074 R)
• M6: 3,376,274 km (0.104 R)
• M7: 5,050,424 km (0.081 R)
• M8: 12,022,582 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.2

Radius: 7.9

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 13.73 AU - 15.85 AU

Year: 21094 Days

Day: 15.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,368,616 km

• M1: 98,286 km (0.058 R)
• M2: 488,287 km (0.066 R)
• M3: 736,919 km (0.09 R)
• M4: 1,047,933 km (0.055 R)
• M5: 1,368,372 km (0.12 R)
• M6: 1,717,533 km (0.114 R)
• M7: 2,645,339 km (0.102 R)
• M8: 5,563,545 km (0.099 R)
• M9: 7,347,948 km (0.074 R)
• M10: 8,106,110 km (0.099 R)
• M11: 10,076,613 km (0.118 R)
• M12: 13,786,042 km (0.116 R)
• M13: 14,468,956 km (0.106 R)
• M14: 15,902,403 km (0.08 R)
• M15: 17,428,152 km (0.065 R)
• M16: 25,288,024 km (0.112 R)
• M17: 27,007,502 km (0.11 R)
• M18: 27,955,653 km (0.074 R)
• M19: 31,579,662 km (0.058 R)
• M20: 41,905,505 km (0.056 R)
• M21: 45,959,159 km (0.108 R)
• M22: 52,426,873 km (0.03 R)
• M23: 61,686,981 km (0.113 R)
• M24: 73,113,566 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 12,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit