🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.24 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.8

Radius: 9.6

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.45 AU - 2.51 AU

Year: 2745 Days

Day: 8.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,857,104 km

• M1: 120,277 km (0.091 R)
• M2: 453,730 km (0.114 R)
• M3: 1,018,313 km (0.119 R)
• M4: 2,204,773 km (0.084 R)
• M5: 3,127,343 km (0.082 R)
• M6: 4,396,681 km (0.088 R)
• M7: 4,802,391 km (0.091 R)
• M8: 5,208,250 km (0.111 R)
• M9: 6,768,705 km (0.109 R)
• M10: 7,435,164 km (0.118 R)
• M11: 8,012,462 km (0.096 R)
• M12: 11,028,205 km (0.12 R)
• M13: 12,167,393 km (0.107 R)
• M14: 12,608,707 km (0.113 R)
• M15: 14,237,828 km (0.069 R)
• M16: 14,728,060 km (0.091 R)
• M17: 17,405,114 km (0.039 R)
• M18: 18,193,195 km (0.102 R)
• M19: 19,241,278 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.8

Radius: 11.4

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.37 AU - 3.29 AU

Year: 3346 Days

Day: 9.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,857,104 km

• M1: 141,819 km (0.085 R)
• M2: 981,960 km (0.114 R)
• M3: 1,428,510 km (0.106 R)
• M4: 1,800,410 km (0.102 R)
• M5: 2,698,297 km (0.084 R)
• M6: 3,063,016 km (0.119 R)
• M7: 3,975,713 km (0.072 R)
• M8: 4,339,535 km (0.069 R)
• M9: 4,702,459 km (0.078 R)
• M10: 5,361,139 km (0.063 R)
• M11: 5,779,863 km (0.072 R)
• M12: 7,646,097 km (0.058 R)
• M13: 8,110,149 km (0.071 R)
• M14: 8,557,746 km (0.08 R)
• M15: 11,301,072 km (0.103 R)
• M16: 11,860,418 km (0.05 R)
• M17: 12,348,107 km (0.087 R)
• M18: 14,284,502 km (0.066 R)
• M19: 15,143,942 km (0.081 R)
• M20: 16,469,978 km (0.097 R)
• M21: 17,358,439 km (0.078 R)
• M22: 18,278,466 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.6

Radius: 12.1

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.51 AU - 3.73 AU

Year: 3874 Days

Day: 13.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,857,104 km

• M1: 150,645 km (0.044 R)
• M2: 547,379 km (0.077 R)
• M3: 1,099,395 km (0.11 R)
• M4: 1,510,789 km (0.102 R)
• M5: 2,092,276 km (0.061 R)
• M6: 2,627,238 km (0.12 R)
• M7: 3,004,673 km (0.119 R)
• M8: 3,456,459 km (0.074 R)
• M9: 3,891,340 km (0.044 R)
• M10: 4,452,781 km (0.115 R)
• M11: 5,473,636 km (0.103 R)
• M12: 6,265,458 km (0.111 R)
• M13: 6,794,436 km (0.083 R)
• M14: 7,384,899 km (0.027 R)
• M15: 8,111,047 km (0.063 R)
• M16: 10,295,026 km (0.091 R)
• M17: 11,117,067 km (0.032 R)
• M18: 11,849,947 km (0.068 R)
• M19: 12,752,919 km (0.047 R)
• M20: 13,701,370 km (0.083 R)
• M21: 14,696,196 km (0.091 R)
• M22: 15,578,973 km (0.087 R)
• M23: 16,006,523 km (0.056 R)
• M24: 17,109,808 km (0.049 R)
• M25: 20,341,720 km (0.049 R)
• M26: 20,724,391 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.4

Radius: 11.2

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.82 AU - 4.16 AU

Year: 4583 Days

Day: 10.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,857,104 km

• M1: 139,276 km (0.044 R)
• M2: 633,697 km (0.075 R)
• M3: 997,070 km (0.093 R)
• M4: 1,599,650 km (0.072 R)
• M5: 2,549,896 km (0.11 R)
• M6: 2,958,747 km (0.08 R)
• M7: 3,687,438 km (0.086 R)
• M8: 4,358,384 km (0.048 R)
• M9: 4,920,124 km (0.113 R)
• M10: 6,004,410 km (0.081 R)
• M11: 6,635,563 km (0.109 R)
• M12: 7,172,021 km (0.112 R)
• M13: 7,809,906 km (0.069 R)
• M14: 8,718,863 km (0.073 R)
• M15: 9,280,902 km (0.081 R)
• M16: 10,212,747 km (0.036 R)
• M17: 10,883,095 km (0.104 R)
• M18: 11,582,615 km (0.103 R)
• M19: 12,212,721 km (0.092 R)
• M20: 12,611,848 km (0.113 R)
• M21: 13,174,785 km (0.116 R)
• M22: 13,915,594 km (0.079 R)
• M23: 17,850,317 km (0.111 R)
• M24: 18,823,152 km (0.063 R)
• M25: 19,222,130 km (0.114 R)
• M26: 21,662,819 km (0.057 R)
• M27: 25,660,224 km (0.026 R)
• M28: 26,398,788 km (0.116 R)
• M29: 26,898,894 km (0.045 R)
• M30: 28,263,675 km (0.105 R)
• M31: 30,214,880 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.7

Radius: 8.7

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.36 AU - 5.42 AU

Year: 6466 Days

Day: 8.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,857,104 km

• M1: 108,159 km (0.096 R)
• M2: 450,738 km (0.074 R)
• M3: 860,936 km (0.119 R)
• M4: 1,162,525 km (0.037 R)
• M5: 1,944,473 km (0.087 R)
• M6: 2,391,322 km (0.053 R)
• M7: 3,644,503 km (0.105 R)
• M8: 3,916,921 km (0.05 R)
• M9: 5,146,765 km (0.096 R)
• M10: 5,668,563 km (0.077 R)
• M11: 7,411,677 km (0.082 R)
• M12: 8,039,539 km (0.097 R)
• M13: 9,570,673 km (0.026 R)
• M14: 10,863,498 km (0.094 R)
• M15: 12,884,416 km (0.099 R)
• M16: 13,306,132 km (0.11 R)
• M17: 14,177,241 km (0.08 R)
• M18: 15,912,426 km (0.049 R)
• M19: 16,520,990 km (0.108 R)
• M20: 20,360,869 km (0.08 R)
• M21: 22,411,556 km (0.106 R)
• M22: 22,791,834 km (0.05 R)
• M23: 25,740,109 km (0.082 R)
• M24: 27,608,586 km (0.084 R)
• M25: 28,576,036 km (0.113 R)
• M26: 28,933,425 km (0.025 R)
• M27: 30,764,952 km (0.086 R)
• M28: 31,423,930 km (0.042 R)
• M29: 31,709,213 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779

Radius: 8.6

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.75 AU - 5.39 AU

Year: 6867 Days

Day: 11.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,857,104 km

• M1: 117,584 km (0.086 R)
• M2: 403,914 km (0.109 R)
• M3: 923,468 km (0.079 R)
• M4: 1,263,952 km (0.077 R)
• M5: 1,829,881 km (0.047 R)
• M6: 2,902,797 km (0.116 R)
• M7: 3,216,354 km (0.091 R)
• M8: 3,599,026 km (0.066 R)
• M9: 4,037,048 km (0.119 R)
• M10: 4,565,129 km (0.093 R)
• M11: 5,168,307 km (0.077 R)
• M12: 7,186,233 km (0.081 R)
• M13: 7,684,543 km (0.119 R)
• M14: 9,140,729 km (0.087 R)
• M15: 9,725,806 km (0.093 R)
• M16: 11,221,635 km (0.079 R)
• M17: 12,051,006 km (0.12 R)
• M18: 13,542,497 km (0.026 R)
• M19: 15,844,509 km (0.12 R)
• M20: 16,360,472 km (0.087 R)
• M21: 17,906,416 km (0.104 R)
• M22: 19,400,749 km (0.114 R)
• M23: 19,694,560 km (0.033 R)
• M24: 21,520,252 km (0.1 R)
• M25: 23,873,576 km (0.119 R)
• M26: 31,144,482 km (0.105 R)
• M27: 31,547,498 km (0.111 R)
• M28: 32,881,612 km (0.092 R)
• M29: 34,790,331 km (0.086 R)
• M30: 35,224,315 km (0.108 R)
• M31: 35,552,233 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.6

Radius: 11

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.54 AU - 5.2 AU

Year: 7554 Days

Day: 8.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,857,104 km

• M1: 137,480 km (0.1 R)
• M2: 935,136 km (0.09 R)
• M3: 1,367,773 km (0.062 R)
• M4: 2,243,968 km (0.064 R)
• M5: 2,587,894 km (0.083 R)
• M6: 3,234,755 km (0.06 R)
• M7: 4,050,512 km (0.078 R)
• M8: 4,449,789 km (0.088 R)
• M9: 6,795,184 km (0.076 R)
• M10: 7,556,637 km (0.099 R)
• M11: 8,914,238 km (0.12 R)
• M12: 9,984,760 km (0.114 R)
• M13: 10,592,427 km (0.07 R)
• M14: 11,181,842 km (0.092 R)
• M15: 12,334,195 km (0.117 R)
• M16: 13,321,391 km (0.082 R)
• M17: 14,008,345 km (0.118 R)
• M18: 14,564,549 km (0.074 R)
• M19: 16,046,765 km (0.1 R)
• M20: 17,051,315 km (0.112 R)
• M21: 20,125,252 km (0.112 R)
• M22: 22,989,453 km (0.099 R)
• M23: 23,480,134 km (0.039 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.3

Radius: 6

Gravity: 19.45 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.73 AU - 6.53 AU

Year: 10668 Days

Day: 17 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,857,104 km

• M1: 74,949 km (0.093 R)
• M2: 339,886 km (0.112 R)
• M3: 581,936 km (0.107 R)
• M4: 969,693 km (0.062 R)
• M5: 2,196,246 km (0.07 R)
• M6: 2,750,656 km (0.108 R)
• M7: 2,969,817 km (0.102 R)
• M8: 3,177,160 km (0.092 R)
• M9: 3,646,747 km (0.077 R)
• M10: 4,392,193 km (0.107 R)
• M11: 4,692,586 km (0.064 R)
• M12: 5,641,934 km (0.065 R)
• M13: 6,217,437 km (0.083 R)
• M14: 6,635,264 km (0.101 R)
• M15: 6,831,237 km (0.068 R)
• M16: 7,697,259 km (0.09 R)
• M17: 8,268,723 km (0.097 R)
• M18: 10,152,908 km (0.107 R)
• M19: 10,732,151 km (0.077 R)
• M20: 14,156,297 km (0.096 R)
• M21: 15,556,832 km (0.111 R)
• M22: 17,864,679 km (0.072 R)
• M23: 18,092,217 km (0.086 R)
• M24: 23,780,676 km (0.08 R)
• M25: 24,426,340 km (0.077 R)
• M26: 26,927,018 km (0.079 R)
• M27: 30,772,432 km (0.114 R)
• M28: 37,511,965 km (0.066 R)
• M29: 38,386,514 km (0.093 R)
• M30: 41,091,394 km (0.1 R)
• M31: 47,745,656 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.7

Radius: 4.4

Gravity: 49.42 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.41 AU - 7.27 AU

Year: 11221 Days

Day: 15.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,857,104 km

• M1: 55,351 km (0.025 R)
• M2: 216,767 km (0.042 R)
• M3: 414,835 km (0.108 R)
• M4: 704,456 km (0.102 R)
• M5: 1,154,896 km (0.114 R)
• M6: 1,310,029 km (0.099 R)
• M7: 1,678,638 km (0.059 R)
• M8: 1,827,188 km (0.03 R)
• M9: 2,039,019 km (0.12 R)
• M10: 2,247,409 km (0.103 R)
• M11: 2,469,861 km (0.078 R)
• M12: 3,226,377 km (0.058 R)
• M13: 3,483,536 km (0.065 R)
• M14: 5,252,082 km (0.092 R)
• M15: 5,979,576 km (0.111 R)
• M16: 7,323,414 km (0.076 R)
• M17: 7,858,376 km (0.07 R)
• M18: 10,815,776 km (0.111 R)
• M19: 12,292,008 km (0.099 R)
• M20: 18,229,697 km (0.094 R)
• M21: 19,459,093 km (0.086 R)
• M22: 22,540,809 km (0.047 R)
• M23: 25,528,877 km (0.118 R)
• M24: 26,034,368 km (0.06 R)
• M25: 28,879,420 km (0.079 R)
• M26: 35,178,089 km (0.087 R)
• M27: 36,436,805 km (0.098 R)
• M28: 40,256,637 km (0.117 R)
• M29: 45,506,475 km (0.03 R)
• M30: 46,099,930 km (0.095 R)
• M31: 50,084,021 km (0.069 R)
• M32: 53,300,375 km (0.054 R)
• M33: 54,125,407 km (0.098 R)
• M34: 55,294,814 km (0.077 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: 543 - 14,781 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit