🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.3

Radius: 11.4

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.49 AU - 0.77 AU

Year: 345 Days

Day: 12.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,027,271 km

• M1: 141,819 km (0.06 R)
• M2: 545,883 km (0.118 R)
• M3: 944,711 km (0.112 R)
• M4: 1,562,699 km (0.049 R)
• M5: 1,920,687 km (0.099 R)
• M6: 2,389,078 km (0.045 R)
• M7: 2,763,372 km (0.07 R)
• M8: 3,215,756 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.5

Radius: 9.5

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.61 AU - 0.91 AU

Year: 457 Days

Day: 14 Hours

Environment

Temp: -159 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,027,271 km

• M1: 118,482 km (0.075 R)
• M2: 420,669 km (0.089 R)
• M3: 755,469 km (0.117 R)
• M4: 1,168,659 km (0.072 R)
• M5: 1,759,421 km (0.099 R)
• M6: 2,119,503 km (0.087 R)
• M7: 2,491,104 km (0.105 R)
• M8: 2,793,142 km (0.089 R)
• M9: 3,130,635 km (0.049 R)
• M10: 3,615,182 km (0.067 R)
• M11: 4,310,962 km (0.109 R)
• M12: 4,956,776 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.9

Radius: 13.9

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.79 AU - 2.99 AU

Year: 3391 Days

Day: 8.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,027,271 km

• M1: 172,935 km (0.071 R)
• M2: 948,750 km (0.089 R)
• M3: 1,796,670 km (0.098 R)
• M4: 2,645,040 km (0.08 R)
• M5: 3,170,128 km (0.099 R)
• M6: 3,747,277 km (0.075 R)
• M7: 4,278,050 km (0.078 R)
• M8: 5,179,677 km (0.094 R)
• M9: 6,254,238 km (0.045 R)
• M10: 6,897,958 km (0.069 R)
• M11: 8,501,348 km (0.1 R)
• M12: 11,243,178 km (0.115 R)
• M13: 12,794,807 km (0.084 R)
• M14: 13,622,233 km (0.029 R)
• M15: 14,092,419 km (0.072 R)
• M16: 14,706,368 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.8

Radius: 8.3

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.14 AU - 3.36 AU

Year: 4044 Days

Day: 7.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,027,271 km

• M1: 103,372 km (0.1 R)
• M2: 363,373 km (0.04 R)
• M3: 657,034 km (0.106 R)
• M4: 936,782 km (0.08 R)
• M5: 1,267,543 km (0.041 R)
• M6: 1,639,742 km (0.08 R)
• M7: 2,155,556 km (0.09 R)
• M8: 4,111,548 km (0.077 R)
• M9: 4,755,866 km (0.096 R)
• M10: 5,302,197 km (0.08 R)
• M11: 5,689,207 km (0.087 R)
• M12: 6,519,924 km (0.11 R)
• M13: 8,568,966 km (0.111 R)
• M14: 8,948,047 km (0.115 R)
• M15: 9,457,428 km (0.07 R)
• M16: 9,821,250 km (0.069 R)
• M17: 10,925,282 km (0.119 R)
• M18: 14,096,159 km (0.11 R)
• M19: 18,326,338 km (0.119 R)
• M20: 20,392,434 km (0.082 R)
• M21: 22,824,596 km (0.058 R)
• M22: 23,998,341 km (0.053 R)
• M23: 25,211,879 km (0.112 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 15,864 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit