🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963

Radius: 12.9

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.3 AU - 1.84 AU

Year: 1270 Days

Day: 14.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,541,190 km

• M1: 160,668 km (0.059 R)
• M2: 633,547 km (0.082 R)
• M3: 1,543,551 km (0.12 R)
• M4: 2,307,098 km (0.081 R)
• M5: 2,858,516 km (0.102 R)
• M6: 3,741,443 km (0.092 R)
• M7: 4,451,135 km (0.098 R)
• M8: 4,878,536 km (0.094 R)
• M9: 5,615,605 km (0.085 R)
• M10: 6,257,679 km (0.044 R)
• M11: 6,922,791 km (0.076 R)
• M12: 7,743,934 km (0.11 R)
• M13: 8,221,301 km (0.055 R)
• M14: 9,297,508 km (0.096 R)
• M15: 10,566,846 km (0.114 R)
• M16: 11,511,257 km (0.119 R)
• M17: 12,022,732 km (0.098 R)
• M18: 13,012,920 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.5

Radius: 10.6

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.76 AU - 2.66 AU

Year: 2121 Days

Day: 5 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,541,190 km

• M1: 131,796 km (0.117 R)
• M2: 710,141 km (0.091 R)
• M3: 1,050,327 km (0.047 R)
• M4: 1,739,524 km (0.114 R)
• M5: 2,180,090 km (0.12 R)
• M6: 2,568,745 km (0.084 R)
• M7: 4,272,216 km (0.03 R)
• M8: 5,147,812 km (0.05 R)
• M9: 7,252,654 km (0.079 R)
• M10: 7,594,486 km (0.053 R)
• M11: 7,946,938 km (0.118 R)
• M12: 8,372,095 km (0.12 R)
• M13: 9,467,900 km (0.082 R)
• M14: 10,404,382 km (0.096 R)
• M15: 13,414,291 km (0.075 R)
• M16: 14,911,617 km (0.098 R)
• M17: 15,279,627 km (0.107 R)
• M18: 16,177,813 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.1

Radius: 13.5

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.52 AU - 3.44 AU

Year: 3322 Days

Day: 7.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,541,190 km

• M1: 168,597 km (0.088 R)
• M2: 616,493 km (0.079 R)
• M3: 1,055,563 km (0.069 R)
• M4: 1,501,514 km (0.092 R)
• M5: 2,564,257 km (0.077 R)
• M6: 3,128,989 km (0.057 R)
• M7: 3,582,420 km (0.052 R)
• M8: 4,248,729 km (0.033 R)
• M9: 5,215,281 km (0.105 R)
• M10: 6,211,603 km (0.11 R)
• M11: 6,844,252 km (0.113 R)
• M12: 7,808,410 km (0.097 R)
• M13: 8,685,353 km (0.099 R)
• M14: 9,147,910 km (0.102 R)
• M15: 10,006,751 km (0.043 R)
• M16: 11,124,098 km (0.109 R)
• M17: 12,367,256 km (0.104 R)
• M18: 13,988,747 km (0.091 R)
• M19: 15,695,659 km (0.095 R)
• M20: 17,147,207 km (0.086 R)
• M21: 17,650,454 km (0.107 R)
• M22: 18,163,425 km (0.1 R)
• M23: 20,565,219 km (0.052 R)
• M24: 21,453,831 km (0.036 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.1

Radius: 4

Gravity: 43.19 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 7.63 AU - 7.67 AU

Year: 13662 Days

Day: 19.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 142.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,541,190 km

• M1: 49,816 km (0.109 R)
• M2: 305,928 km (0.11 R)
• M3: 759,957 km (0.064 R)
• M4: 951,891 km (0.036 R)
• M5: 1,200,972 km (0.056 R)
• M6: 1,898,247 km (0.106 R)
• M7: 4,246,336 km (0.105 R)
• M8: 4,884,370 km (0.079 R)
• M9: 5,296,513 km (0.101 R)
• M10: 6,189,911 km (0.058 R)
• M11: 12,507,579 km (0.077 R)
• M12: 12,633,540 km (0.066 R)
• M13: 15,121,353 km (0.079 R)
• M14: 17,441,915 km (0.029 R)
• M15: 26,735,234 km (0.096 R)
• M16: 29,430,688 km (0.032 R)
• M17: 30,557,759 km (0.107 R)
• M18: 37,405,003 km (0.066 R)
• M19: 39,263,607 km (0.079 R)
• M20: 46,252,670 km (0.096 R)
• M21: 46,705,652 km (0.033 R)
• M22: 50,595,945 km (0.104 R)
• M23: 52,866,092 km (0.051 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.1

Radius: 6.3

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.71 AU - 11.18 AU

Year: 17259 Days

Day: 22.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,541,190 km

• M1: 82,279 km (0.053 R)
• M2: 304,880 km (0.116 R)
• M3: 528,978 km (0.099 R)
• M4: 739,911 km (0.052 R)
• M5: 1,130,810 km (0.042 R)
• M6: 1,448,556 km (0.117 R)
• M7: 2,027,051 km (0.113 R)
• M8: 3,709,578 km (0.116 R)
• M9: 4,036,899 km (0.107 R)
• M10: 4,295,104 km (0.1 R)
• M11: 4,533,713 km (0.078 R)
• M12: 5,508,493 km (0.103 R)
• M13: 5,898,794 km (0.115 R)
• M14: 6,538,025 km (0.089 R)
• M15: 6,854,425 km (0.102 R)
• M16: 8,452,130 km (0.12 R)
• M17: 10,657,203 km (0.041 R)
• M18: 11,545,964 km (0.051 R)
• M19: 12,244,287 km (0.058 R)
• M20: 13,597,250 km (0.09 R)
• M21: 14,309,784 km (0.034 R)
• M22: 17,037,103 km (0.1 R)
• M23: 25,767,784 km (0.069 R)
• M24: 29,984,200 km (0.099 R)
• M25: 30,857,403 km (0.032 R)
• M26: 36,332,087 km (0.066 R)
• M27: 39,232,790 km (0.081 R)
• M28: 45,776,350 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.7

Radius: 7.7

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 9.01 AU - 10.33 AU

Year: 19416 Days

Day: 20.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,541,190 km

• M1: 96,042 km (0.064 R)
• M2: 470,037 km (0.084 R)
• M3: 1,365,829 km (0.093 R)
• M4: 2,294,233 km (0.109 R)
• M5: 3,162,200 km (0.079 R)
• M6: 3,410,083 km (0.073 R)
• M7: 4,565,877 km (0.075 R)
• M8: 6,151,315 km (0.083 R)
• M9: 7,026,462 km (0.088 R)
• M10: 7,936,915 km (0.108 R)
• M11: 9,728,948 km (0.107 R)
• M12: 10,096,061 km (0.096 R)
• M13: 13,762,555 km (0.046 R)
• M14: 14,025,848 km (0.08 R)
• M15: 14,835,770 km (0.097 R)
• M16: 30,890,764 km (0.108 R)
• M17: 31,684,231 km (0.107 R)
• M18: 35,608,781 km (0.056 R)
• M19: 42,989,491 km (0.091 R)
• M20: 43,270,436 km (0.072 R)
• M21: 48,236,337 km (0.082 R)
• M22: 53,894,428 km (0.084 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 14,561 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit