🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.5

Radius: 8.4

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.02 AU - 1.14 AU

Year: 761 Days

Day: 12.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,108,509 km

• M1: 105,766 km (0.116 R)
• M2: 489,335 km (0.061 R)
• M3: 760,705 km (0.082 R)
• M4: 1,107,174 km (0.084 R)
• M5: 1,810,433 km (0.079 R)
• M6: 2,419,746 km (0.072 R)
• M7: 3,233,109 km (0.1 R)
• M8: 3,855,436 km (0.11 R)
• M9: 4,143,412 km (0.098 R)
• M10: 4,477,015 km (0.103 R)
• M11: 5,027,685 km (0.108 R)
• M12: 5,750,841 km (0.104 R)
• M13: 6,421,638 km (0.103 R)
• M14: 7,058,327 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480

Radius: 10

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.12 AU - 1.48 AU

Year: 1005 Days

Day: 13.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,108,509 km

• M1: 130,599 km (0.111 R)
• M2: 493,972 km (0.115 R)
• M3: 1,173,147 km (0.11 R)
• M4: 1,806,095 km (0.095 R)
• M5: 2,341,356 km (0.075 R)
• M6: 3,471,419 km (0.078 R)
• M7: 4,221,652 km (0.107 R)
• M8: 5,279,010 km (0.077 R)
• M9: 6,103,892 km (0.103 R)
• M10: 6,569,142 km (0.055 R)
• M11: 7,836,236 km (0.07 R)
• M12: 8,284,431 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.4

Radius: 9.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.19 AU - 1.45 AU

Year: 1029 Days

Day: 6.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,108,509 km

• M1: 119,379 km (0.101 R)
• M2: 520,152 km (0.092 R)
• M3: 838,346 km (0.094 R)
• M4: 1,162,824 km (0.049 R)
• M5: 2,272,242 km (0.093 R)
• M6: 2,634,867 km (0.052 R)
• M7: 2,943,488 km (0.066 R)
• M8: 3,413,973 km (0.114 R)
• M9: 4,354,196 km (0.035 R)
• M10: 4,836,499 km (0.065 R)
• M11: 5,149,308 km (0.108 R)
• M12: 5,528,539 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.9

Radius: 8.6

Gravity: 12.91 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.62 AU - 1.7 AU

Year: 1451 Days

Day: 12.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,108,509 km

• M1: 106,962 km (0.093 R)
• M2: 405,560 km (0.117 R)
• M3: 769,083 km (0.08 R)
• M4: 1,118,394 km (0.062 R)
• M5: 1,444,218 km (0.105 R)
• M6: 2,985,226 km (0.103 R)
• M7: 3,520,636 km (0.118 R)
• M8: 4,155,978 km (0.119 R)
• M9: 4,461,906 km (0.088 R)
• M10: 5,539,160 km (0.095 R)
• M11: 5,910,462 km (0.066 R)
• M12: 7,315,336 km (0.079 R)
• M13: 9,183,514 km (0.074 R)
• M14: 10,948,919 km (0.053 R)
• M15: 12,218,855 km (0.062 R)
• M16: 14,433,502 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.4

Radius: 10.4

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.11 AU - 2.81 AU

Year: 2617 Days

Day: 10.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,108,509 km

• M1: 129,402 km (0.077 R)
• M2: 540,796 km (0.077 R)
• M3: 888,462 km (0.067 R)
• M4: 1,258,567 km (0.078 R)
• M5: 1,974,692 km (0.078 R)
• M6: 2,667,779 km (0.118 R)
• M7: 3,384,353 km (0.096 R)
• M8: 4,246,036 km (0.072 R)
• M9: 4,905,763 km (0.115 R)
• M10: 5,247,893 km (0.06 R)
• M11: 6,174,054 km (0.116 R)
• M12: 6,515,586 km (0.101 R)
• M13: 7,113,080 km (0.098 R)
• M14: 7,520,734 km (0.097 R)
• M15: 8,661,118 km (0.078 R)
• M16: 9,683,919 km (0.097 R)
• M17: 10,785,408 km (0.041 R)
• M18: 11,621,810 km (0.076 R)
• M19: 12,321,629 km (0.051 R)
• M20: 12,910,745 km (0.094 R)
• M21: 13,471,139 km (0.049 R)
• M22: 14,490,798 km (0.099 R)
• M23: 15,823,565 km (0.114 R)
• M24: 17,517,462 km (0.104 R)
• M25: 19,028,550 km (0.08 R)
• M26: 20,436,266 km (0.117 R)
• M27: 22,109,817 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175

Radius: 13.5

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.78 AU - 5.96 AU

Year: 7289 Days

Day: 14.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,108,509 km

• M1: 168,148 km (0.102 R)
• M2: 740,210 km (0.115 R)
• M3: 1,687,165 km (0.059 R)
• M4: 2,323,853 km (0.112 R)
• M5: 2,907,584 km (0.085 R)
• M6: 3,432,523 km (0.075 R)
• M7: 4,395,933 km (0.115 R)
• M8: 5,505,650 km (0.053 R)
• M9: 6,344,147 km (0.089 R)
• M10: 7,265,969 km (0.108 R)
• M11: 8,135,581 km (0.101 R)
• M12: 9,224,055 km (0.1 R)
• M13: 10,284,554 km (0.119 R)
• M14: 12,185,046 km (0.105 R)
• M15: 14,208,058 km (0.099 R)
• M16: 15,784,221 km (0.111 R)
• M17: 18,182,873 km (0.112 R)
• M18: 18,665,925 km (0.101 R)
• M19: 22,984,516 km (0.056 R)
• M20: 23,835,728 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.9

Radius: 6

Gravity: 21.83 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.8 AU - 9.94 AU

Year: 16424 Days

Day: 17.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 87,108,509 km

• M1: 80,633 km (0.088 R)
• M2: 334,501 km (0.069 R)
• M3: 649,704 km (0.11 R)
• M4: 838,047 km (0.102 R)
• M5: 1,689,858 km (0.066 R)
• M6: 2,113,369 km (0.089 R)
• M7: 2,745,121 km (0.054 R)
• M8: 3,276,193 km (0.108 R)
• M9: 3,666,644 km (0.085 R)
• M10: 3,994,862 km (0.111 R)
• M11: 4,675,681 km (0.096 R)
• M12: 8,589,162 km (0.119 R)
• M13: 11,001,128 km (0.077 R)
• M14: 15,297,729 km (0.109 R)
• M15: 17,356,644 km (0.038 R)
• M16: 17,605,425 km (0.11 R)
• M17: 18,538,318 km (0.043 R)
• M18: 21,918,182 km (0.099 R)
• M19: 22,306,539 km (0.093 R)
• M20: 23,196,945 km (0.09 R)
• M21: 26,555,417 km (0.087 R)
• M22: 32,304,015 km (0.057 R)
• M23: 33,315,147 km (0.11 R)
• M24: 35,135,005 km (0.098 R)
• M25: 37,157,119 km (0.057 R)
• M26: 42,174,931 km (0.076 R)
• M27: 44,147,977 km (0.104 R)
• M28: 46,980,463 km (0.094 R)
• M29: 49,265,421 km (0.112 R)
• M30: 50,435,277 km (0.076 R)
• M31: 56,019,615 km (0.055 R)
• M32: 59,147,408 km (0.069 R)
• M33: 59,335,003 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.4

Radius: 4.5

Gravity: 35.13 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.5 AU - 9.74 AU

Year: 18680 Days

Day: 21.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,108,509 km

• M1: 55,950 km (0.055 R)
• M2: 1,035,367 km (0.074 R)
• M3: 1,319,453 km (0.104 R)
• M4: 1,504,057 km (0.103 R)
• M5: 1,671,008 km (0.097 R)
• M6: 2,082,402 km (0.039 R)
• M7: 4,453,678 km (0.114 R)
• M8: 5,201,069 km (0.075 R)
• M9: 5,905,226 km (0.116 R)
• M10: 6,849,787 km (0.103 R)
• M11: 13,680,576 km (0.068 R)
• M12: 15,867,697 km (0.103 R)
• M13: 19,981,638 km (0.11 R)
• M14: 32,224,129 km (0.115 R)
• M15: 32,735,305 km (0.059 R)
• M16: 38,434,386 km (0.08 R)
• M17: 42,580,042 km (0.051 R)
• M18: 64,335,611 km (0.109 R)
• M19: 65,553,488 km (0.102 R)
• M20: 69,087,588 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.7

Radius: 7.3

Gravity: 16.62 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 9 AU - 11.06 AU

Year: 21545 Days

Day: 21.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,108,509 km

• M1: 91,554 km (0.108 R)
• M2: 533,616 km (0.101 R)
• M3: 797,357 km (0.089 R)
• M4: 1,149,510 km (0.086 R)
• M5: 1,861,297 km (0.098 R)
• M6: 3,362,212 km (0.087 R)
• M7: 5,017,961 km (0.11 R)
• M8: 5,535,570 km (0.032 R)
• M9: 6,491,800 km (0.07 R)
• M10: 6,818,073 km (0.063 R)
• M11: 7,810,654 km (0.109 R)
• M12: 8,179,862 km (0.117 R)
• M13: 8,671,740 km (0.102 R)
• M14: 11,566,010 km (0.112 R)
• M15: 12,467,935 km (0.063 R)
• M16: 14,647,427 km (0.109 R)
• M17: 15,047,302 km (0.114 R)
• M18: 19,360,508 km (0.107 R)
• M19: 22,795,125 km (0.117 R)
• M20: 23,877,915 km (0.119 R)
• M21: 29,937,825 km (0.087 R)
• M22: 30,842,294 km (0.093 R)
• M23: 32,165,637 km (0.12 R)
• M24: 34,642,529 km (0.047 R)
• M25: 35,352,520 km (0.063 R)
• M26: 35,639,150 km (0.061 R)
• M27: 38,440,519 km (0.094 R)
• M28: 38,743,605 km (0.085 R)
• M29: 40,127,534 km (0.059 R)
• M30: 42,668,903 km (0.106 R)
• M31: 45,993,865 km (0.064 R)
• M32: 47,023,996 km (0.114 R)
• M33: 58,987,488 km (0.038 R)
• M34: 61,435,657 km (0.103 R)
• M35: 79,019,241 km (0.071 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 13,390 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit