🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.3

Radius: 11.3

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.13 AU - 1.15 AU

Year: 840 Days

Day: 11.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,067,495 km

• M1: 141,520 km (0.105 R)
• M2: 823,985 km (0.113 R)
• M3: 1,862,344 km (0.086 R)
• M4: 2,294,233 km (0.089 R)
• M5: 3,024,570 km (0.056 R)
• M6: 5,381,185 km (0.095 R)
• M7: 5,743,960 km (0.101 R)
• M8: 7,043,816 km (0.053 R)
• M9: 7,691,275 km (0.119 R)
• M10: 8,762,546 km (0.035 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.7

Radius: 13.6

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.13 AU - 1.43 AU

Year: 1000 Days

Day: 8 Hours

Environment

Temp: -183 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,067,495 km

• M1: 178,021 km (0.075 R)
• M2: 908,957 km (0.098 R)
• M3: 1,842,447 km (0.046 R)
• M4: 2,524,614 km (0.114 R)
• M5: 3,383,305 km (0.058 R)
• M6: 3,832,997 km (0.072 R)
• M7: 4,292,860 km (0.084 R)
• M8: 4,741,505 km (0.071 R)
• M9: 5,788,989 km (0.075 R)
• M10: 6,596,219 km (0.077 R)
• M11: 7,111,584 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.1

Radius: 12.6

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2 AU - 2.68 AU

Year: 2471 Days

Day: 10.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,067,495 km

• M1: 156,779 km (0.101 R)
• M2: 591,660 km (0.055 R)
• M3: 1,190,201 km (0.066 R)
• M4: 1,674,599 km (0.12 R)
• M5: 2,355,119 km (0.058 R)
• M6: 3,165,341 km (0.102 R)
• M7: 3,689,083 km (0.108 R)
• M8: 4,349,857 km (0.052 R)
• M9: 4,847,569 km (0.047 R)
• M10: 6,209,658 km (0.054 R)
• M11: 7,316,682 km (0.085 R)
• M12: 8,023,383 km (0.115 R)
• M13: 9,201,466 km (0.05 R)
• M14: 10,823,107 km (0.077 R)
• M15: 12,504,437 km (0.086 R)
• M16: 14,174,398 km (0.098 R)
• M17: 16,085,661 km (0.118 R)
• M18: 16,576,641 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.7

Radius: 12.1

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.74 AU - 3.88 AU

Year: 4157 Days

Day: 5.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,067,495 km

• M1: 150,495 km (0.111 R)
• M2: 590,014 km (0.075 R)
• M3: 2,036,326 km (0.092 R)
• M4: 2,707,572 km (0.05 R)
• M5: 3,312,546 km (0.101 R)
• M6: 6,988,614 km (0.096 R)
• M7: 7,727,029 km (0.101 R)
• M8: 8,419,219 km (0.051 R)
• M9: 9,605,230 km (0.07 R)
• M10: 11,369,139 km (0.086 R)
• M11: 14,758,428 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.8

Radius: 9.6

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.47 AU - 5.11 AU

Year: 6133 Days

Day: 8.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,067,495 km

• M1: 120,127 km (0.12 R)
• M2: 636,988 km (0.098 R)
• M3: 1,059,003 km (0.078 R)
• M4: 1,521,859 km (0.11 R)
• M5: 2,742,877 km (0.076 R)
• M6: 3,120,911 km (0.082 R)
• M7: 3,421,602 km (0.113 R)
• M8: 4,031,962 km (0.119 R)
• M9: 5,023,796 km (0.07 R)
• M10: 5,408,561 km (0.11 R)
• M11: 6,104,491 km (0.092 R)
• M12: 6,405,930 km (0.086 R)
• M13: 7,712,817 km (0.094 R)
• M14: 8,719,611 km (0.111 R)
• M15: 10,226,211 km (0.114 R)
• M16: 11,490,164 km (0.062 R)
• M17: 11,796,091 km (0.083 R)
• M18: 13,240,758 km (0.057 R)
• M19: 14,980,432 km (0.063 R)
• M20: 20,729,478 km (0.06 R)
• M21: 21,413,140 km (0.113 R)
• M22: 22,426,965 km (0.111 R)
• M23: 24,298,434 km (0.034 R)
• M24: 26,714,739 km (0.096 R)
• M25: 27,706,274 km (0.112 R)
• M26: 28,628,844 km (0.103 R)
• M27: 29,476,615 km (0.082 R)
• M28: 34,387,913 km (0.102 R)
• M29: 34,705,210 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681

Radius: 6

Gravity: 18.92 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.57 AU - 7.95 AU

Year: 13503 Days

Day: 22.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,067,495 km

• M1: 74,649 km (0.112 R)
• M2: 275,559 km (0.055 R)
• M3: 1,397,543 km (0.09 R)
• M4: 1,619,247 km (0.107 R)
• M5: 2,005,210 km (0.074 R)
• M6: 2,598,665 km (0.052 R)
• M7: 3,617,426 km (0.093 R)
• M8: 4,337,441 km (0.1 R)
• M9: 5,500,415 km (0.081 R)
• M10: 5,830,427 km (0.047 R)
• M11: 7,283,472 km (0.074 R)
• M12: 7,502,782 km (0.072 R)
• M13: 10,770,598 km (0.093 R)
• M14: 11,055,582 km (0.103 R)
• M15: 11,462,937 km (0.11 R)
• M16: 12,307,716 km (0.091 R)
• M17: 14,600,004 km (0.119 R)
• M18: 17,551,121 km (0.075 R)
• M19: 19,416,308 km (0.116 R)
• M20: 22,501,913 km (0.059 R)
• M21: 25,394,538 km (0.09 R)
• M22: 29,291,712 km (0.062 R)
• M23: 30,750,441 km (0.114 R)
• M24: 37,459,606 km (0.068 R)
• M25: 41,361,118 km (0.079 R)
• M26: 45,229,271 km (0.069 R)
• M27: 45,822,127 km (0.078 R)
• M28: 47,479,073 km (0.079 R)
• M29: 49,331,843 km (0.115 R)
• M30: 54,173,578 km (0.03 R)
• M31: 57,571,544 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.5

Radius: 3

Gravity: 43.06 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 8.44 AU - 8.74 AU

Year: 17378 Days

Day: 15 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,067,495 km

• M1: 799,601 km (0.074 R)
• M2: 964,607 km (0.085 R)
• M3: 1,307,934 km (0.108 R)
• M4: 2,003,115 km (0.119 R)
• M5: 4,371,399 km (0.089 R)
• M6: 4,718,466 km (0.088 R)
• M7: 5,220,666 km (0.085 R)
• M8: 5,502,808 km (0.115 R)
• M9: 8,855,296 km (0.065 R)
• M10: 12,781,044 km (0.119 R)
• M11: 12,907,603 km (0.096 R)
• M12: 16,129,044 km (0.099 R)
• M13: 17,106,367 km (0.073 R)
• M14: 20,706,290 km (0.104 R)
• M15: 22,040,254 km (0.096 R)
• M16: 24,976,711 km (0.091 R)
• M17: 32,661,703 km (0.087 R)
• M18: 39,060,752 km (0.085 R)
• M19: 40,542,519 km (0.051 R)
• M20: 42,201,260 km (0.099 R)
• M21: 46,994,974 km (0.051 R)
• M22: 56,616,511 km (0.075 R)
• M23: 56,957,893 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.8

Radius: 7.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.22 AU - 10.92 AU

Year: 18855 Days

Day: 20.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,067,495 km

• M1: 97,239 km (0.116 R)
• M2: 450,439 km (0.051 R)
• M3: 732,581 km (0.106 R)
• M4: 1,332,169 km (0.117 R)
• M5: 1,843,943 km (0.066 R)
• M6: 2,171,862 km (0.073 R)
• M7: 2,881,704 km (0.101 R)
• M8: 3,637,472 km (0.117 R)
• M9: 6,402,340 km (0.075 R)
• M10: 7,721,793 km (0.103 R)
• M11: 7,972,220 km (0.089 R)
• M12: 9,353,756 km (0.079 R)
• M13: 13,644,672 km (0.114 R)
• M14: 16,011,610 km (0.069 R)
• M15: 19,627,091 km (0.111 R)
• M16: 21,623,923 km (0.092 R)
• M17: 24,016,891 km (0.071 R)
• M18: 27,928,875 km (0.084 R)
• M19: 34,675,440 km (0.102 R)
• M20: 37,224,289 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.4

Radius: 4.7

Gravity: 42.34 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.22 AU - 10.24 AU

Year: 20950 Days

Day: 15.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 87,067,495 km

• M1: 60,138 km (0.079 R)
• M2: 493,523 km (0.086 R)
• M3: 733,778 km (0.094 R)
• M4: 1,353,711 km (0.108 R)
• M5: 1,605,484 km (0.088 R)
• M6: 1,927,868 km (0.109 R)
• M7: 2,726,571 km (0.094 R)
• M8: 3,478,300 km (0.094 R)
• M9: 5,420,828 km (0.096 R)
• M10: 6,550,891 km (0.058 R)
• M11: 7,571,747 km (0.09 R)
• M12: 8,200,506 km (0.108 R)
• M13: 9,034,515 km (0.067 R)
• M14: 10,295,026 km (0.119 R)
• M15: 10,869,482 km (0.068 R)
• M16: 13,683,268 km (0.066 R)
• M17: 17,928,258 km (0.073 R)
• M18: 19,421,843 km (0.067 R)
• M19: 20,198,854 km (0.105 R)
• M20: 21,505,442 km (0.078 R)
• M21: 22,231,889 km (0.115 R)
• M22: 22,760,568 km (0.119 R)
• M23: 28,147,438 km (0.051 R)
• M24: 30,159,080 km (0.105 R)
• M25: 32,399,308 km (0.106 R)
• M26: 33,490,924 km (0.097 R)
• M27: 37,355,785 km (0.034 R)
• M28: 37,504,485 km (0.079 R)
• M29: 39,626,382 km (0.117 R)
• M30: 42,632,252 km (0.108 R)
• M31: 47,333,813 km (0.107 R)
• M32: 50,350,455 km (0.109 R)
• M33: 52,183,627 km (0.089 R)
• M34: 55,594,309 km (0.062 R)
• M35: 58,347,658 km (0.098 R)
• M36: 60,984,470 km (0.029 R)
• M37: 61,190,615 km (0.102 R)
• M38: 74,657,865 km (0.113 R)
• M39: 75,129,995 km (0.092 R)
• M40: 78,490,861 km (0.088 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 16,007 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit