🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.8

Radius: 9.5

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.33 AU - 1.75 AU

Year: 1319 Days

Day: 12 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 91,537,831 km

• M1: 118,182 km (0.068 R)
• M2: 423,811 km (0.092 R)
• M3: 1,105,977 km (0.111 R)
• M4: 1,576,762 km (0.1 R)
• M5: 2,600,759 km (0.056 R)
• M6: 3,967,635 km (0.094 R)
• M7: 5,018,560 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.8

Radius: 10.9

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.15 AU - 2.69 AU

Year: 2599 Days

Day: 9.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,537,831 km

• M1: 135,536 km (0.114 R)
• M2: 510,428 km (0.097 R)
• M3: 873,502 km (0.075 R)
• M4: 1,645,128 km (0.115 R)
• M5: 2,144,785 km (0.09 R)
• M6: 2,664,936 km (0.104 R)
• M7: 3,223,086 km (0.112 R)
• M8: 3,659,164 km (0.091 R)
• M9: 4,064,125 km (0.116 R)
• M10: 4,442,907 km (0.115 R)
• M11: 5,441,024 km (0.083 R)
• M12: 5,834,915 km (0.117 R)
• M13: 6,365,988 km (0.115 R)
• M14: 6,779,028 km (0.107 R)
• M15: 7,987,479 km (0.117 R)
• M16: 8,701,659 km (0.07 R)
• M17: 10,389,572 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.1

Radius: 12.8

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.77 AU - 4.23 AU

Year: 4520 Days

Day: 12.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,537,831 km

• M1: 164,109 km (0.115 R)
• M2: 712,086 km (0.097 R)
• M3: 1,123,779 km (0.119 R)
• M4: 2,013,288 km (0.092 R)
• M5: 3,228,771 km (0.09 R)
• M6: 4,353,896 km (0.073 R)
• M7: 5,177,582 km (0.097 R)
• M8: 7,135,070 km (0.118 R)
• M9: 9,031,223 km (0.075 R)
• M10: 9,826,785 km (0.052 R)
• M11: 12,876,637 km (0.078 R)
• M12: 13,308,675 km (0.106 R)
• M13: 15,616,223 km (0.033 R)
• M14: 16,207,433 km (0.066 R)
• M15: 17,122,374 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.1

Radius: 3.7

Gravity: 24.99 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.42 AU - 6.78 AU

Year: 10399 Days

Day: 16.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 91,537,831 km

• M1: 46,076 km (0.065 R)
• M2: 162,463 km (0.114 R)
• M3: 804,986 km (0.054 R)
• M4: 967,749 km (0.091 R)
• M5: 1,732,044 km (0.119 R)
• M6: 1,880,296 km (0.119 R)
• M7: 2,219,434 km (0.115 R)
• M8: 2,752,900 km (0.119 R)
• M9: 2,914,017 km (0.07 R)
• M10: 3,124,352 km (0.106 R)
• M11: 3,941,006 km (0.108 R)
• M12: 4,171,985 km (0.064 R)
• M13: 5,465,259 km (0.109 R)
• M14: 5,623,683 km (0.063 R)
• M15: 7,190,870 km (0.089 R)
• M16: 11,460,394 km (0.053 R)
• M17: 11,930,729 km (0.119 R)
• M18: 12,687,994 km (0.06 R)
• M19: 17,296,955 km (0.077 R)
• M20: 22,018,862 km (0.029 R)
• M21: 22,420,233 km (0.09 R)
• M22: 23,821,666 km (0.034 R)
• M23: 26,435,440 km (0.12 R)
• M24: 26,616,154 km (0.095 R)
• M25: 28,091,937 km (0.059 R)
• M26: 28,469,223 km (0.104 R)
• M27: 29,330,458 km (0.115 R)
• M28: 30,307,631 km (0.096 R)
• M29: 34,005,092 km (0.092 R)
• M30: 38,801,948 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.1

Radius: 4.4

Gravity: 28.83 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.99 AU - 8.37 AU

Year: 16149 Days

Day: 20.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 91,537,831 km

• M1: 54,753 km (0.087 R)
• M2: 234,719 km (0.118 R)
• M3: 438,322 km (0.094 R)
• M4: 658,081 km (0.115 R)
• M5: 1,307,336 km (0.113 R)
• M6: 1,465,012 km (0.058 R)
• M7: 1,684,023 km (0.09 R)
• M8: 2,129,376 km (0.106 R)
• M9: 2,832,486 km (0.102 R)
• M10: 3,820,281 km (0.105 R)
• M11: 4,084,321 km (0.111 R)
• M12: 4,266,980 km (0.093 R)
• M13: 4,583,529 km (0.063 R)
• M14: 4,848,018 km (0.096 R)
• M15: 5,263,601 km (0.09 R)
• M16: 6,165,377 km (0.088 R)
• M17: 8,464,248 km (0.118 R)
• M18: 8,912,892 km (0.096 R)
• M19: 11,100,312 km (0.118 R)
• M20: 12,317,440 km (0.096 R)
• M21: 13,688,504 km (0.062 R)
• M22: 16,345,961 km (0.058 R)
• M23: 19,670,774 km (0.055 R)
• M24: 21,172,287 km (0.053 R)
• M25: 21,444,855 km (0.027 R)
• M26: 23,711,263 km (0.11 R)
• M27: 25,206,044 km (0.06 R)
• M28: 26,974,740 km (0.058 R)
• M29: 27,726,320 km (0.12 R)
• M30: 32,052,241 km (0.092 R)
• M31: 36,156,160 km (0.112 R)
• M32: 37,731,276 km (0.075 R)
• M33: 40,317,973 km (0.035 R)
• M34: 42,875,049 km (0.065 R)
• M35: 46,144,660 km (0.113 R)
• M36: 50,379,776 km (0.1 R)
• M37: 51,191,344 km (0.07 R)
• M38: 54,016,350 km (0.044 R)
• M39: 54,185,695 km (0.08 R)
• M40: 54,695,824 km (0.09 R)
• M41: 54,866,515 km (0.047 R)
• M42: 55,725,656 km (0.117 R)
• M43: 61,621,906 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 788

Radius: 6.6

Gravity: 18.09 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 7.64 AU - 8.86 AU

Year: 16357 Days

Day: 24.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 91,537,831 km

• M1: 93,050 km (0.096 R)
• M2: 326,572 km (0.04 R)
• M3: 896,690 km (0.099 R)
• M4: 1,278,015 km (0.071 R)
• M5: 1,815,969 km (0.118 R)
• M6: 2,771,151 km (0.109 R)
• M7: 3,468,427 km (0.098 R)
• M8: 4,373,943 km (0.084 R)
• M9: 4,916,983 km (0.116 R)
• M10: 6,772,595 km (0.092 R)
• M11: 7,735,706 km (0.12 R)
• M12: 9,874,058 km (0.117 R)
• M13: 10,274,831 km (0.068 R)
• M14: 11,231,659 km (0.118 R)
• M15: 17,330,165 km (0.06 R)
• M16: 21,595,201 km (0.1 R)
• M17: 23,159,097 km (0.116 R)
• M18: 24,277,191 km (0.119 R)
• M19: 26,183,667 km (0.107 R)
• M20: 30,894,503 km (0.096 R)
• M21: 31,875,267 km (0.08 R)
• M22: 34,679,030 km (0.082 R)
• M23: 37,366,706 km (0.098 R)
• M24: 39,044,296 km (0.103 R)
• M25: 41,950,684 km (0.102 R)
• M26: 42,249,131 km (0.045 R)
• M27: 42,699,271 km (0.094 R)
• M28: 43,762,164 km (0.118 R)
• M29: 45,467,730 km (0.09 R)
• M30: 50,344,022 km (0.057 R)
• M31: 55,199,221 km (0.11 R)
• M32: 60,357,505 km (0.036 R)
• M33: 60,928,520 km (0.036 R)
• M34: 63,444,756 km (0.063 R)
• M35: 69,305,552 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117

Radius: 6.4

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 9.16 AU - 11.46 AU

Year: 22851 Days

Day: 20.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 91,537,831 km

• M1: 80,932 km (0.084 R)
• M2: 301,889 km (0.097 R)
• M3: 2,210,608 km (0.108 R)
• M4: 3,467,679 km (0.097 R)
• M5: 4,892,150 km (0.064 R)
• M6: 7,372,632 km (0.116 R)
• M7: 8,211,726 km (0.115 R)
• M8: 9,019,854 km (0.069 R)
• M9: 9,830,674 km (0.043 R)
• M10: 10,793,337 km (0.098 R)
• M11: 11,056,779 km (0.117 R)
• M12: 12,210,328 km (0.102 R)
• M13: 12,554,253 km (0.089 R)
• M14: 13,442,117 km (0.107 R)
• M15: 14,307,989 km (0.065 R)
• M16: 15,276,336 km (0.118 R)
• M17: 15,541,723 km (0.097 R)
• M18: 17,559,200 km (0.088 R)
• M19: 23,397,556 km (0.108 R)
• M20: 23,750,308 km (0.114 R)
• M21: 27,672,465 km (0.092 R)
• M22: 29,993,176 km (0.096 R)
• M23: 30,935,493 km (0.107 R)
• M24: 32,879,218 km (0.112 R)
• M25: 34,332,711 km (0.067 R)
• M26: 37,970,333 km (0.06 R)
• M27: 40,575,580 km (0.1 R)
• M28: 44,635,367 km (0.075 R)
• M29: 45,588,156 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.9

Radius: 5.2

Gravity: 31.36 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 10.43 AU - 10.71 AU

Year: 23720 Days

Day: 16.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 91,537,831 km

• M1: 96,042 km (0.117 R)
• M2: 279,898 km (0.054 R)
• M3: 634,445 km (0.111 R)
• M4: 973,733 km (0.112 R)
• M5: 1,885,232 km (0.06 R)
• M6: 2,094,221 km (0.118 R)
• M7: 2,634,568 km (0.096 R)
• M8: 3,565,665 km (0.059 R)
• M9: 7,803,773 km (0.045 R)
• M10: 9,380,983 km (0.081 R)
• M11: 12,632,044 km (0.087 R)
• M12: 14,953,803 km (0.111 R)
• M13: 16,475,513 km (0.032 R)
• M14: 23,708,121 km (0.067 R)
• M15: 24,269,263 km (0.038 R)
• M16: 34,349,317 km (0.048 R)
• M17: 35,357,606 km (0.092 R)
• M18: 38,347,021 km (0.03 R)
• M19: 53,702,344 km (0.09 R)
• M20: 57,841,718 km (0.112 R)
• M21: 61,344,552 km (0.087 R)
• M22: 62,827,067 km (0.032 R)
• M23: 64,986,063 km (0.075 R)
• M24: 70,830,253 km (0.099 R)
• M25: 72,226,899 km (0.153 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: 298 - 13,521 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit