🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.9

Radius: 13.6

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.42 AU - 0.62 AU

Year: 259 Days

Day: 14.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 87,795,268 km

• M1: 169,345 km (0.078 R)
• M2: 678,277 km (0.103 R)
• M3: 1,147,266 km (0.057 R)
• M4: 1,809,536 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814

Radius: 8.1

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.91 AU - 1.15 AU

Year: 722 Days

Day: 13.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,795,268 km

• M1: 100,829 km (0.068 R)
• M2: 380,427 km (0.03 R)
• M3: 722,408 km (0.069 R)
• M4: 981,063 km (0.026 R)
• M5: 1,275,172 km (0.104 R)
• M6: 1,686,417 km (0.117 R)
• M7: 1,989,053 km (0.092 R)
• M8: 2,434,855 km (0.114 R)
• M9: 2,775,938 km (0.077 R)
• M10: 3,415,619 km (0.058 R)
• M11: 3,874,286 km (0.095 R)
• M12: 4,672,390 km (0.086 R)
• M13: 4,932,092 km (0.087 R)
• M14: 5,888,322 km (0.105 R)
• M15: 6,378,853 km (0.108 R)
• M16: 6,896,462 km (0.067 R)
• M17: 7,256,843 km (0.116 R)
• M18: 8,064,372 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.1

Radius: 14

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.05 AU - 1.37 AU

Year: 919 Days

Day: 8.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,795,268 km

• M1: 174,132 km (0.119 R)
• M2: 976,724 km (0.043 R)
• M3: 1,455,886 km (0.034 R)
• M4: 2,011,643 km (0.076 R)
• M5: 2,607,640 km (0.118 R)
• M6: 3,115,076 km (0.099 R)
• M7: 3,604,261 km (0.106 R)
• M8: 4,268,775 km (0.119 R)
• M9: 5,633,706 km (0.063 R)
• M10: 7,204,783 km (0.101 R)
• M11: 7,875,879 km (0.119 R)
• M12: 8,437,320 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.5

Radius: 14.3

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.5 AU - 1.8 AU

Year: 1463 Days

Day: 10.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,795,268 km

• M1: 177,872 km (0.094 R)
• M2: 736,620 km (0.059 R)
• M3: 1,290,282 km (0.118 R)
• M4: 1,788,742 km (0.079 R)
• M5: 2,916,261 km (0.072 R)
• M6: 3,500,291 km (0.031 R)
• M7: 4,090,305 km (0.111 R)
• M8: 5,428,458 km (0.067 R)
• M9: 6,390,671 km (0.11 R)
• M10: 7,041,422 km (0.102 R)
• M11: 8,272,463 km (0.048 R)
• M12: 9,016,114 km (0.081 R)
• M13: 10,098,455 km (0.091 R)
• M14: 12,791,067 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.4

Radius: 9.6

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.77 AU - 2.35 AU

Year: 2041 Days

Day: 12.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,795,268 km

• M1: 119,379 km (0.099 R)
• M2: 481,855 km (0.059 R)
• M3: 893,698 km (0.081 R)
• M4: 1,289,234 km (0.119 R)
• M5: 1,688,212 km (0.069 R)
• M6: 2,291,540 km (0.11 R)
• M7: 2,923,442 km (0.028 R)
• M8: 4,109,753 km (0.053 R)
• M9: 4,773,668 km (0.042 R)
• M10: 5,161,276 km (0.105 R)
• M11: 6,545,356 km (0.12 R)
• M12: 7,298,132 km (0.075 R)
• M13: 8,831,809 km (0.101 R)
• M14: 10,440,735 km (0.108 R)
• M15: 10,764,913 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.1

Radius: 9.5

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.57 AU - 3.57 AU

Year: 3713 Days

Day: 13.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,795,268 km

• M1: 121,473 km (0.073 R)
• M2: 1,467,406 km (0.108 R)
• M3: 3,524,825 km (0.091 R)
• M4: 4,671,792 km (0.065 R)
• M5: 5,794,674 km (0.088 R)
• M6: 8,492,522 km (0.055 R)
• M7: 8,974,077 km (0.118 R)
• M8: 10,783,164 km (0.029 R)
• M9: 12,070,603 km (0.088 R)
• M10: 13,211,287 km (0.066 R)
• M11: 13,909,012 km (0.048 R)
• M12: 14,894,862 km (0.086 R)
• M13: 15,323,609 km (0.066 R)
• M14: 22,155,744 km (0.037 R)
• M15: 24,895,479 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.1

Radius: 13.2

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.9 AU - 3.48 AU

Year: 3933 Days

Day: 9.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 87,795,268 km

• M1: 282,142 km (0.084 R)
• M2: 737,817 km (0.084 R)
• M3: 2,378,756 km (0.063 R)
• M4: 6,292,984 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.5

Radius: 4.7

Gravity: 34.16 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 10.46 AU - 10.62 AU

Year: 23620 Days

Day: 20 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,795,268 km

• M1: 58,642 km (0.071 R)
• M2: 229,782 km (0.061 R)
• M3: 859,440 km (0.044 R)
• M4: 1,112,111 km (0.113 R)
• M5: 1,984,416 km (0.05 R)
• M6: 4,502,597 km (0.115 R)
• M7: 8,160,564 km (0.099 R)
• M8: 9,343,135 km (0.03 R)
• M9: 12,466,290 km (0.109 R)
• M10: 23,274,437 km (0.048 R)
• M11: 28,382,456 km (0.115 R)
• M12: 35,180,931 km (0.116 R)
• M13: 52,246,308 km (0.093 R)
• M14: 62,747,929 km (0.055 R)
• M15: 72,931,206 km (0.166 R)
• M16: 79,146,997 km (0.099 R)
• M17: 83,906,005 km (0.17 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 11,448 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit