🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.2

Radius: 9.3

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.63 AU - 0.87 AU

Year: 426 Days

Day: 9.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,097,365 km

• M1: 116,686 km (0.101 R)
• M2: 457,470 km (0.102 R)
• M3: 871,258 km (0.069 R)
• M4: 1,269,488 km (0.082 R)
• M5: 2,058,915 km (0.096 R)
• M6: 2,422,887 km (0.069 R)
• M7: 2,777,733 km (0.078 R)
• M8: 3,293,397 km (0.084 R)
• M9: 3,897,922 km (0.042 R)
• M10: 5,072,714 km (0.047 R)
• M11: 5,657,343 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.7

Radius: 12.9

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1 AU - 1.24 AU

Year: 778 Days

Day: 9 Hours

Environment

Temp: -161 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,097,365 km

• M1: 160,369 km (0.099 R)
• M2: 600,037 km (0.09 R)
• M3: 1,034,768 km (0.09 R)
• M4: 1,792,482 km (0.117 R)
• M5: 2,229,906 km (0.084 R)
• M6: 2,872,728 km (0.056 R)
• M7: 3,288,460 km (0.1 R)
• M8: 3,981,248 km (0.094 R)
• M9: 4,641,872 km (0.116 R)
• M10: 5,515,673 km (0.117 R)
• M11: 6,616,564 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.5

Radius: 9.3

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.46 AU - 1.66 AU

Year: 1278 Days

Day: 5.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,097,365 km

• M1: 116,238 km (0.114 R)
• M2: 462,257 km (0.108 R)
• M3: 885,470 km (0.118 R)
• M4: 1,187,807 km (0.041 R)
• M5: 1,538,165 km (0.072 R)
• M6: 1,984,117 km (0.087 R)
• M7: 2,341,356 km (0.093 R)
• M8: 2,642,497 km (0.08 R)
• M9: 4,466,544 km (0.114 R)
• M10: 4,900,228 km (0.079 R)
• M11: 6,715,299 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.6

Radius: 12.2

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.78 AU - 2.04 AU

Year: 1732 Days

Day: 9.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,097,365 km

• M1: 151,991 km (0.09 R)
• M2: 556,354 km (0.077 R)
• M3: 1,023,249 km (0.052 R)
• M4: 1,403,378 km (0.117 R)
• M5: 1,827,936 km (0.062 R)
• M6: 2,376,512 km (0.096 R)
• M7: 3,341,418 km (0.108 R)
• M8: 5,544,995 km (0.083 R)
• M9: 6,057,667 km (0.085 R)
• M10: 6,525,609 km (0.116 R)
• M11: 7,423,645 km (0.082 R)
• M12: 8,164,603 km (0.058 R)
• M13: 9,399,982 km (0.119 R)
• M14: 11,078,770 km (0.114 R)
• M15: 11,630,636 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.2

Radius: 9.1

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.51 AU - 2.47 AU

Year: 1842 Days

Day: 6.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,097,365 km

• M1: 113,694 km (0.078 R)
• M2: 487,839 km (0.095 R)
• M3: 1,001,109 km (0.085 R)
• M4: 1,429,856 km (0.116 R)
• M5: 1,774,231 km (0.09 R)
• M6: 2,395,959 km (0.115 R)
• M7: 3,313,294 km (0.075 R)
• M8: 3,626,552 km (0.069 R)
• M9: 3,959,556 km (0.092 R)
• M10: 4,389,950 km (0.042 R)
• M11: 4,955,878 km (0.066 R)
• M12: 5,546,939 km (0.063 R)
• M13: 5,942,775 km (0.046 R)
• M14: 6,482,824 km (0.111 R)
• M15: 7,520,285 km (0.075 R)
• M16: 7,832,047 km (0.054 R)
• M17: 8,360,875 km (0.119 R)
• M18: 8,976,022 km (0.102 R)
• M19: 9,555,265 km (0.08 R)
• M20: 10,435,648 km (0.114 R)
• M21: 11,554,940 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.9

Radius: 9.6

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.65 AU - 4.13 AU

Year: 5033 Days

Day: 6 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,097,365 km

• M1: 119,379 km (0.063 R)
• M2: 561,441 km (0.092 R)
• M3: 1,007,990 km (0.093 R)
• M4: 1,494,034 km (0.118 R)
• M5: 1,798,914 km (0.082 R)
• M6: 3,384,652 km (0.057 R)
• M7: 3,963,296 km (0.113 R)
• M8: 4,966,949 km (0.094 R)
• M9: 6,010,543 km (0.118 R)
• M10: 7,194,162 km (0.055 R)
• M11: 8,991,879 km (0.037 R)
• M12: 10,980,484 km (0.083 R)
• M13: 12,198,360 km (0.07 R)
• M14: 17,356,195 km (0.086 R)
• M15: 18,874,315 km (0.068 R)
• M16: 19,867,046 km (0.077 R)
• M17: 20,548,016 km (0.095 R)
• M18: 21,956,330 km (0.107 R)
• M19: 23,128,579 km (0.115 R)
• M20: 25,597,392 km (0.102 R)
• M21: 26,079,098 km (0.105 R)
• M22: 28,837,383 km (0.107 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 19,900 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit