🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.8

Radius: 11.1

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.13 AU - 1.65 AU

Year: 1075 Days

Day: 12.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,568,405 km

• M1: 138,079 km (0.057 R)
• M2: 486,791 km (0.108 R)
• M3: 915,689 km (0.088 R)
• M4: 1,432,699 km (0.113 R)
• M5: 1,824,047 km (0.115 R)
• M6: 2,184,877 km (0.064 R)
• M7: 2,542,416 km (0.092 R)
• M8: 2,996,296 km (0.062 R)
• M9: 3,555,044 km (0.066 R)
• M10: 4,402,366 km (0.112 R)
• M11: 5,640,438 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.3

Radius: 11.8

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.52 AU - 1.9 AU

Year: 1467 Days

Day: 9.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,568,405 km

• M1: 146,756 km (0.054 R)
• M2: 761,304 km (0.089 R)
• M3: 1,158,336 km (0.05 R)
• M4: 1,739,075 km (0.104 R)
• M5: 2,838,320 km (0.066 R)
• M6: 3,224,133 km (0.1 R)
• M7: 3,951,029 km (0.048 R)
• M8: 4,483,299 km (0.117 R)
• M9: 5,808,586 km (0.079 R)
• M10: 6,498,681 km (0.118 R)
• M11: 7,040,375 km (0.057 R)
• M12: 7,897,272 km (0.111 R)
• M13: 8,719,013 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518

Radius: 13.6

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.73 AU - 1.75 AU

Year: 1506 Days

Day: 6.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,568,405 km

• M1: 169,195 km (0.064 R)
• M2: 656,735 km (0.07 R)
• M3: 1,085,333 km (0.105 R)
• M4: 1,943,276 km (0.087 R)
• M5: 2,724,028 km (0.077 R)
• M6: 3,547,863 km (0.095 R)
• M7: 4,404,461 km (0.107 R)
• M8: 4,930,895 km (0.115 R)
• M9: 5,584,040 km (0.119 R)
• M10: 6,623,595 km (0.111 R)
• M11: 7,394,473 km (0.117 R)
• M12: 7,922,853 km (0.068 R)
• M13: 9,055,907 km (0.038 R)
• M14: 9,817,211 km (0.105 R)
• M15: 10,359,054 km (0.072 R)
• M16: 11,123,798 km (0.104 R)
• M17: 12,359,477 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459

Radius: 11.9

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.38 AU - 5.2 AU

Year: 5829 Days

Day: 8 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,568,405 km

• M1: 147,952 km (0.031 R)
• M2: 581,487 km (0.054 R)
• M3: 1,599,201 km (0.068 R)
• M4: 2,447,122 km (0.082 R)
• M5: 3,019,633 km (0.097 R)
• M6: 3,594,986 km (0.114 R)
• M7: 6,438,094 km (0.084 R)
• M8: 7,155,715 km (0.038 R)
• M9: 10,093,668 km (0.11 R)
• M10: 10,926,928 km (0.071 R)
• M11: 11,616,723 km (0.082 R)
• M12: 12,630,997 km (0.106 R)
• M13: 14,779,970 km (0.063 R)
• M14: 15,509,559 km (0.103 R)
• M15: 17,407,956 km (0.104 R)
• M16: 18,864,890 km (0.119 R)
• M17: 19,925,389 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.4

Radius: 8.2

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.25 AU - 4.57 AU

Year: 6075 Days

Day: 14.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,568,405 km

• M1: 119,379 km (0.111 R)
• M2: 427,551 km (0.058 R)
• M3: 698,622 km (0.105 R)
• M4: 1,585,887 km (0.115 R)
• M5: 2,793,740 km (0.056 R)
• M6: 4,623,322 km (0.115 R)
• M7: 6,399,647 km (0.098 R)
• M8: 6,971,859 km (0.08 R)
• M9: 9,647,417 km (0.066 R)
• M10: 10,060,606 km (0.118 R)
• M11: 10,485,464 km (0.107 R)
• M12: 11,011,151 km (0.113 R)
• M13: 11,692,719 km (0.041 R)
• M14: 12,644,910 km (0.091 R)
• M15: 15,361,607 km (0.035 R)
• M16: 22,994,689 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.8

Radius: 3.2

Gravity: 94.61 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.32 AU - 8.2 AU

Year: 12833 Days

Day: 21.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 48,568,405 km

• M1: 39,793 km (0.099 R)
• M2: 179,368 km (0.092 R)
• M3: 295,007 km (0.09 R)
• M4: 461,659 km (0.073 R)
• M5: 1,403,976 km (0.117 R)
• M6: 1,737,130 km (0.081 R)
• M7: 1,913,207 km (0.106 R)
• M8: 2,363,497 km (0.103 R)
• M9: 2,535,534 km (0.059 R)
• M10: 2,785,662 km (0.065 R)
• M11: 3,230,117 km (0.038 R)
• M12: 3,982,894 km (0.082 R)
• M13: 5,123,577 km (0.079 R)
• M14: 6,632,272 km (0.079 R)
• M15: 6,801,916 km (0.117 R)
• M16: 7,556,039 km (0.119 R)
• M17: 7,694,566 km (0.118 R)
• M18: 8,562,234 km (0.111 R)
• M19: 8,662,465 km (0.102 R)
• M20: 11,798,934 km (0.102 R)
• M21: 12,174,275 km (0.091 R)
• M22: 12,557,395 km (0.092 R)
• M23: 13,755,075 km (0.074 R)
• M24: 15,542,022 km (0.073 R)
• M25: 16,841,579 km (0.11 R)
• M26: 17,558,152 km (0.12 R)
• M27: 18,966,766 km (0.078 R)
• M28: 24,437,859 km (0.118 R)
• M29: 25,046,872 km (0.074 R)
• M30: 29,482,300 km (0.115 R)
• M31: 31,824,105 km (0.054 R)
• M32: 32,550,103 km (0.068 R)
• M33: 33,784,585 km (0.057 R)
• M34: 34,287,084 km (0.064 R)
• M35: 37,809,216 km (0.118 R)
• M36: 47,889,121 km (0.098 R)
• M37: 50,785,186 km (0.103 R)
• M38: 52,443,329 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.8

Radius: 3.5

Gravity: 21.78 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.58 AU - 10.48 AU

Year: 16343 Days

Day: 23.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,568,405 km

• M1: 43,533 km (0.115 R)
• M2: 455,526 km (0.083 R)
• M3: 697,724 km (0.076 R)
• M4: 1,155,045 km (0.07 R)
• M5: 1,693,897 km (0.074 R)
• M6: 2,123,991 km (0.12 R)
• M7: 2,541,518 km (0.069 R)
• M8: 2,877,964 km (0.12 R)
• M9: 4,705,451 km (0.076 R)
• M10: 5,081,540 km (0.092 R)
• M11: 5,276,915 km (0.095 R)
• M12: 6,710,212 km (0.105 R)
• M13: 8,029,067 km (0.083 R)
• M14: 8,982,754 km (0.06 R)
• M15: 9,316,806 km (0.026 R)
• M16: 9,908,465 km (0.114 R)
• M17: 11,003,671 km (0.08 R)
• M18: 11,221,037 km (0.085 R)
• M19: 12,823,679 km (0.093 R)
• M20: 14,313,674 km (0.082 R)
• M21: 17,706,254 km (0.075 R)
• M22: 18,765,856 km (0.068 R)
• M23: 19,076,122 km (0.087 R)
• M24: 21,938,827 km (0.088 R)
• M25: 22,456,735 km (0.112 R)
• M26: 23,877,466 km (0.089 R)
• M27: 24,241,737 km (0.108 R)
• M28: 28,091,339 km (0.111 R)
• M29: 29,010,318 km (0.101 R)
• M30: 37,952,681 km (0.117 R)
• M31: 38,076,248 km (0.029 R)
• M32: 41,910,891 km (0.116 R)
• M33: 47,413,100 km (0.029 R)
• M34: 48,277,776 km (0.104 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 20,343 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit