🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.4

Radius: 14.1

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.47 AU - 0.67 AU

Year: 297 Days

Day: 13.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 42,636,815 km

• M1: 175,329 km (0.096 R)
• M2: 726,447 km (0.07 R)
• M3: 1,289,534 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469

Radius: 15

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.57 AU - 2.49 AU

Year: 1996 Days

Day: 6.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,636,815 km

• M1: 186,549 km (0.029 R)
• M2: 781,649 km (0.104 R)
• M3: 1,257,071 km (0.082 R)
• M4: 1,791,584 km (0.075 R)
• M5: 2,343,451 km (0.111 R)
• M6: 3,263,328 km (0.108 R)
• M7: 4,116,485 km (0.101 R)
• M8: 4,685,256 km (0.111 R)
• M9: 5,156,639 km (0.094 R)
• M10: 7,289,904 km (0.055 R)
• M11: 7,897,720 km (0.1 R)
• M12: 8,569,116 km (0.072 R)
• M13: 9,089,716 km (0.107 R)
• M14: 12,017,795 km (0.09 R)
• M15: 13,716,928 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.4

Radius: 10.6

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.33 AU - 2.85 AU

Year: 2877 Days

Day: 10.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,636,815 km

• M1: 131,796 km (0.056 R)
• M2: 554,709 km (0.071 R)
• M3: 895,493 km (0.119 R)
• M4: 1,421,629 km (0.051 R)
• M5: 1,966,614 km (0.118 R)
• M6: 2,352,127 km (0.064 R)
• M7: 2,819,920 km (0.102 R)
• M8: 3,403,950 km (0.099 R)
• M9: 4,005,184 km (0.08 R)
• M10: 4,978,617 km (0.095 R)
• M11: 5,495,777 km (0.103 R)
• M12: 8,638,080 km (0.114 R)
• M13: 9,313,066 km (0.118 R)
• M14: 11,466,228 km (0.071 R)
• M15: 12,906,855 km (0.095 R)
• M16: 13,884,328 km (0.117 R)
• M17: 15,010,800 km (0.071 R)
• M18: 15,519,134 km (0.12 R)
• M19: 16,091,645 km (0.037 R)
• M20: 16,894,836 km (0.099 R)
• M21: 17,500,707 km (0.113 R)
• M22: 18,755,683 km (0.104 R)
• M23: 20,438,809 km (0.077 R)
• M24: 21,063,530 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.3

Radius: 8.2

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.29 AU - 4.61 AU

Year: 6480 Days

Day: 11.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,636,815 km

• M1: 102,923 km (0.103 R)
• M2: 561,441 km (0.106 R)
• M3: 981,212 km (0.075 R)
• M4: 2,096,764 km (0.109 R)
• M5: 2,389,826 km (0.091 R)
• M6: 2,747,664 km (0.07 R)
• M7: 3,059,426 km (0.064 R)
• M8: 3,731,120 km (0.081 R)
• M9: 5,823,097 km (0.095 R)
• M10: 6,406,529 km (0.07 R)
• M11: 6,957,498 km (0.071 R)
• M12: 9,969,950 km (0.109 R)
• M13: 10,474,693 km (0.029 R)
• M14: 11,989,222 km (0.076 R)
• M15: 13,312,715 km (0.117 R)
• M16: 17,533,469 km (0.061 R)
• M17: 22,026,790 km (0.092 R)
• M18: 23,040,914 km (0.087 R)
• M19: 24,331,495 km (0.088 R)
• M20: 25,499,555 km (0.04 R)
• M21: 28,037,633 km (0.073 R)
• M22: 29,042,781 km (0.111 R)
• M23: 32,800,680 km (0.111 R)
• M24: 34,122,078 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.4

Radius: 8.1

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.13 AU - 5.63 AU

Year: 8614 Days

Day: 6.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,636,815 km

• M1: 100,679 km (0.091 R)
• M2: 366,216 km (0.087 R)
• M3: 862,731 km (0.102 R)
• M4: 1,369,269 km (0.05 R)
• M5: 1,866,084 km (0.087 R)
• M6: 2,365,142 km (0.12 R)
• M7: 2,987,469 km (0.038 R)
• M8: 3,460,049 km (0.114 R)
• M9: 5,346,478 km (0.051 R)
• M10: 5,629,966 km (0.108 R)
• M11: 7,512,506 km (0.06 R)
• M12: 8,386,606 km (0.078 R)
• M13: 9,165,263 km (0.088 R)
• M14: 9,991,343 km (0.118 R)
• M15: 10,821,162 km (0.113 R)
• M16: 12,126,852 km (0.055 R)
• M17: 12,419,765 km (0.081 R)
• M18: 14,385,930 km (0.116 R)
• M19: 14,769,648 km (0.101 R)
• M20: 15,103,850 km (0.093 R)
• M21: 16,911,740 km (0.089 R)
• M22: 19,252,797 km (0.113 R)
• M23: 23,798,029 km (0.085 R)
• M24: 26,155,542 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.2

Radius: 3

Gravity: 68.8 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.17 AU - 6.83 AU

Year: 11439 Days

Day: 19.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,636,815 km

• M1: 49,367 km (0.103 R)
• M2: 418,724 km (0.115 R)
• M3: 653,593 km (0.088 R)
• M4: 1,391,410 km (0.054 R)
• M5: 1,941,631 km (0.092 R)
• M6: 2,081,355 km (0.118 R)
• M7: 2,561,714 km (0.099 R)
• M8: 3,230,716 km (0.11 R)
• M9: 3,553,997 km (0.107 R)
• M10: 5,887,873 km (0.081 R)
• M11: 6,996,543 km (0.116 R)
• M12: 10,023,057 km (0.088 R)
• M13: 12,344,816 km (0.111 R)
• M14: 13,007,236 km (0.067 R)
• M15: 15,546,660 km (0.09 R)
• M16: 19,661,798 km (0.103 R)
• M17: 19,986,575 km (0.077 R)
• M18: 20,232,514 km (0.039 R)
• M19: 20,982,448 km (0.096 R)
• M20: 22,185,514 km (0.11 R)
• M21: 23,252,745 km (0.12 R)
• M22: 24,634,281 km (0.108 R)
• M23: 28,377,070 km (0.102 R)
• M24: 29,633,393 km (0.088 R)
• M25: 29,739,608 km (0.07 R)
• M26: 31,145,229 km (0.109 R)
• M27: 33,508,277 km (0.083 R)
• M28: 41,708,335 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.4

Radius: 5

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.76 AU - 8.44 AU

Year: 15913 Days

Day: 15.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,636,815 km

• M1: 62,233 km (0.099 R)
• M2: 239,805 km (0.117 R)
• M3: 673,041 km (0.091 R)
• M4: 976,874 km (0.079 R)
• M5: 1,133,054 km (0.104 R)
• M6: 1,330,523 km (0.039 R)
• M7: 1,765,255 km (0.119 R)
• M8: 3,149,334 km (0.099 R)
• M9: 4,712,034 km (0.077 R)
• M10: 4,979,664 km (0.066 R)
• M11: 7,459,099 km (0.105 R)
• M12: 9,583,988 km (0.113 R)
• M13: 10,657,203 km (0.117 R)
• M14: 10,860,656 km (0.09 R)
• M15: 11,754,204 km (0.07 R)
• M16: 14,540,464 km (0.089 R)
• M17: 15,364,599 km (0.076 R)
• M18: 16,152,531 km (0.096 R)
• M19: 17,036,206 km (0.114 R)
• M20: 18,530,987 km (0.08 R)
• M21: 19,272,544 km (0.085 R)
• M22: 19,498,886 km (0.118 R)
• M23: 19,803,467 km (0.108 R)
• M24: 20,894,185 km (0.028 R)
• M25: 27,617,113 km (0.06 R)
• M26: 30,482,511 km (0.064 R)
• M27: 33,322,776 km (0.092 R)
• M28: 35,877,309 km (0.114 R)
• M29: 40,255,889 km (0.099 R)
• M30: 41,874,987 km (0.117 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 17,340 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit