🌌 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: 44

Radius: 11.3

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.48 AU - 0.78 AU

Year: 345 Days

Day: 9.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,423,825 km

• M1: 140,472 km (0.083 R)
• M2: 515,963 km (0.051 R)
• M3: 920,775 km (0.109 R)
• M4: 1,299,856 km (0.096 R)
• M5: 1,759,720 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.1

Radius: 10

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.88 AU - 0.94 AU

Year: 599 Days

Day: 11.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,423,825 km

• M1: 124,465 km (0.096 R)
• M2: 731,833 km (0.106 R)
• M3: 1,071,719 km (0.029 R)
• M4: 1,430,006 km (0.062 R)
• M5: 1,960,031 km (0.116 R)
• M6: 2,299,918 km (0.114 R)
• M7: 3,231,015 km (0.084 R)
• M8: 3,843,169 km (0.06 R)
• M9: 4,322,182 km (0.11 R)
• M10: 5,017,064 km (0.042 R)
• M11: 5,400,034 km (0.117 R)
• M12: 5,820,404 km (0.114 R)
• M13: 6,434,204 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.5

Radius: 14.5

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.97 AU - 3.21 AU

Year: 2877 Days

Day: 8.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,423,825 km

• M1: 180,415 km (0.094 R)
• M2: 678,875 km (0.108 R)
• M3: 1,333,216 km (0.1 R)
• M4: 1,798,615 km (0.096 R)
• M5: 2,398,802 km (0.111 R)
• M6: 3,772,110 km (0.103 R)
• M7: 4,277,003 km (0.092 R)
• M8: 5,641,934 km (0.073 R)
• M9: 6,353,422 km (0.12 R)
• M10: 6,944,932 km (0.089 R)
• M11: 9,912,654 km (0.073 R)
• M12: 10,608,434 km (0.1 R)
• M13: 13,087,121 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.3

Radius: 13.8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.21 AU - 4.91 AU

Year: 5647 Days

Day: 9.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,423,825 km

• M1: 172,038 km (0.089 R)
• M2: 695,780 km (0.084 R)
• M3: 1,652,608 km (0.096 R)
• M4: 2,201,333 km (0.096 R)
• M5: 3,123,604 km (0.034 R)
• M6: 3,563,571 km (0.107 R)
• M7: 5,255,373 km (0.11 R)
• M8: 7,074,633 km (0.115 R)
• M9: 9,240,660 km (0.095 R)
• M10: 11,521,280 km (0.089 R)
• M11: 13,380,632 km (0.106 R)
• M12: 15,552,793 km (0.115 R)
• M13: 18,016,969 km (0.084 R)
• M14: 18,485,360 km (0.105 R)
• M15: 19,237,837 km (0.079 R)
• M16: 19,939,601 km (0.12 R)
• M17: 21,320,090 km (0.104 R)
• M18: 21,995,674 km (0.03 R)
• M19: 23,548,500 km (0.118 R)
• M20: 24,514,603 km (0.062 R)
• M21: 26,611,965 km (0.118 R)
• M22: 27,395,559 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733

Radius: 8.7

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.36 AU - 4.96 AU

Year: 5857 Days

Day: 12.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,423,825 km

• M1: 183,407 km (0.097 R)
• M2: 546,481 km (0.093 R)
• M3: 925,412 km (0.114 R)
• M4: 1,282,652 km (0.047 R)
• M5: 2,553,336 km (0.105 R)
• M6: 3,062,418 km (0.093 R)
• M7: 3,459,900 km (0.067 R)
• M8: 3,891,639 km (0.066 R)
• M9: 4,781,148 km (0.066 R)
• M10: 5,172,646 km (0.114 R)
• M11: 6,922,193 km (0.071 R)
• M12: 10,723,475 km (0.1 R)
• M13: 11,494,053 km (0.085 R)
• M14: 12,771,320 km (0.104 R)
• M15: 14,254,284 km (0.12 R)
• M16: 15,910,033 km (0.114 R)
• M17: 17,233,076 km (0.103 R)
• M18: 17,690,098 km (0.116 R)
• M19: 18,021,307 km (0.113 R)
• M20: 19,953,813 km (0.07 R)
• M21: 22,636,252 km (0.118 R)
• M22: 23,581,412 km (0.046 R)
• M23: 23,902,299 km (0.072 R)
• M24: 24,307,410 km (0.096 R)
• M25: 25,634,642 km (0.093 R)
• M26: 27,448,965 km (0.072 R)
• M27: 27,804,111 km (0.058 R)
• M28: 34,114,448 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614

Radius: 8.6

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.88 AU - 6.14 AU

Year: 8928 Days

Day: 8.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,423,825 km

• M1: 107,112 km (0.105 R)
• M2: 743,202 km (0.101 R)
• M3: 1,171,202 km (0.112 R)
• M4: 1,574,218 km (0.092 R)
• M5: 2,185,475 km (0.119 R)
• M6: 3,031,302 km (0.095 R)
• M7: 3,411,430 km (0.064 R)
• M8: 3,748,025 km (0.079 R)
• M9: 4,027,923 km (0.028 R)
• M10: 5,135,695 km (0.073 R)
• M11: 5,514,178 km (0.033 R)
• M12: 6,652,169 km (0.1 R)
• M13: 8,533,212 km (0.095 R)
• M14: 10,693,256 km (0.097 R)
• M15: 12,451,330 km (0.067 R)
• M16: 13,252,427 km (0.028 R)
• M17: 14,332,374 km (0.029 R)
• M18: 15,148,131 km (0.107 R)
• M19: 15,534,841 km (0.11 R)
• M20: 16,598,482 km (0.073 R)
• M21: 17,357,392 km (0.079 R)
• M22: 18,067,234 km (0.062 R)
• M23: 18,944,326 km (0.111 R)
• M24: 19,620,658 km (0.106 R)
• M25: 20,704,495 km (0.117 R)
• M26: 21,180,964 km (0.096 R)
• M27: 21,746,145 km (0.102 R)
• M28: 23,075,771 km (0.083 R)
• M29: 26,542,253 km (0.118 R)
• M30: 27,293,982 km (0.084 R)
• M31: 27,579,564 km (0.106 R)
• M32: 32,529,758 km (0.077 R)
• M33: 32,850,795 km (0.082 R)
• M34: 35,949,715 km (0.084 R)
• M35: 37,923,359 km (0.078 R)
• M36: 39,601,997 km (0.118 R)
• M37: 42,339,189 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.5

Radius: 3.2

Gravity: 64.5 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.47 AU - 7.19 AU

Year: 12321 Days

Day: 19.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,423,825 km

• M1: 41,588 km (0.072 R)
• M2: 156,479 km (0.094 R)
• M3: 395,387 km (0.089 R)
• M4: 899,831 km (0.083 R)
• M5: 1,029,084 km (0.096 R)
• M6: 1,183,170 km (0.08 R)
• M7: 2,493,497 km (0.047 R)
• M8: 3,241,038 km (0.083 R)
• M9: 3,546,517 km (0.088 R)
• M10: 3,898,820 km (0.116 R)
• M11: 4,155,978 km (0.056 R)
• M12: 7,296,337 km (0.117 R)
• M13: 11,669,681 km (0.03 R)
• M14: 12,938,421 km (0.114 R)
• M15: 15,182,688 km (0.065 R)
• M16: 17,064,480 km (0.061 R)
• M17: 23,913,070 km (0.108 R)
• M18: 26,448,006 km (0.108 R)
• M19: 28,515,598 km (0.089 R)
• M20: 29,915,834 km (0.044 R)
• M21: 31,474,345 km (0.107 R)
• M22: 35,237,928 km (0.082 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: 247 - 14,205 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit