🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.1

Radius: 11.7

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.65 AU - 0.81 AU

Year: 438 Days

Day: 11.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 85,839,046 km

• M1: 145,708 km (0.092 R)
• M2: 702,063 km (0.077 R)
• M3: 1,561,802 km (0.116 R)
• M4: 1,968,110 km (0.103 R)
• M5: 2,931,071 km (0.114 R)
• M6: 4,209,834 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.4

Radius: 8.3

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.91 AU - 1.29 AU

Year: 811 Days

Day: 6.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 169.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,839,046 km

• M1: 103,223 km (0.061 R)
• M2: 459,116 km (0.041 R)
• M3: 796,010 km (0.047 R)
• M4: 1,235,678 km (0.048 R)
• M5: 1,505,104 km (0.119 R)
• M6: 1,912,609 km (0.115 R)
• M7: 2,220,930 km (0.111 R)
• M8: 2,501,426 km (0.08 R)
• M9: 2,860,610 km (0.06 R)
• M10: 3,656,770 km (0.12 R)
• M11: 4,411,940 km (0.099 R)
• M12: 5,084,532 km (0.087 R)
• M13: 5,987,056 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.7

Radius: 14.1

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.1 AU - 4.68 AU

Year: 6466 Days

Day: 13.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,839,046 km

• M1: 177,872 km (0.094 R)
• M2: 714,479 km (0.088 R)
• M3: 1,207,404 km (0.115 R)
• M4: 2,453,555 km (0.119 R)
• M5: 3,044,317 km (0.098 R)
• M6: 3,873,388 km (0.11 R)
• M7: 4,735,820 km (0.093 R)
• M8: 5,410,057 km (0.114 R)
• M9: 7,628,743 km (0.079 R)
• M10: 9,159,279 km (0.072 R)
• M11: 10,067,638 km (0.118 R)
• M12: 12,656,429 km (0.072 R)
• M13: 13,495,673 km (0.091 R)
• M14: 15,038,027 km (0.081 R)
• M15: 18,400,388 km (0.103 R)
• M16: 19,772,201 km (0.063 R)
• M17: 21,288,675 km (0.085 R)
• M18: 22,476,033 km (0.059 R)
• M19: 27,485,467 km (0.082 R)
• M20: 28,702,446 km (0.068 R)
• M21: 31,344,793 km (0.081 R)
• M22: 38,595,054 km (0.099 R)
• M23: 39,060,303 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746

Radius: 7.4

Gravity: 13.62 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.56 AU - 6.3 AU

Year: 10151 Days

Day: 22.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,839,046 km

• M1: 92,003 km (0.044 R)
• M2: 887,714 km (0.101 R)
• M3: 1,911,412 km (0.097 R)
• M4: 2,205,372 km (0.051 R)
• M5: 3,619,820 km (0.073 R)
• M6: 3,908,544 km (0.118 R)
• M7: 4,562,436 km (0.103 R)
• M8: 5,353,360 km (0.062 R)
• M9: 6,085,641 km (0.098 R)
• M10: 7,163,644 km (0.075 R)
• M11: 8,363,718 km (0.083 R)
• M12: 8,823,133 km (0.094 R)
• M13: 9,445,460 km (0.09 R)
• M14: 10,617,559 km (0.065 R)
• M15: 13,682,670 km (0.075 R)
• M16: 14,712,801 km (0.039 R)
• M17: 16,002,185 km (0.107 R)
• M18: 16,782,188 km (0.111 R)
• M19: 17,736,473 km (0.102 R)
• M20: 21,488,837 km (0.035 R)
• M21: 24,234,107 km (0.069 R)
• M22: 25,167,299 km (0.07 R)
• M23: 25,642,870 km (0.075 R)
• M24: 30,088,919 km (0.077 R)
• M25: 31,275,679 km (0.078 R)
• M26: 34,436,981 km (0.052 R)
• M27: 38,178,424 km (0.078 R)
• M28: 40,470,712 km (0.076 R)
• M29: 43,394,902 km (0.032 R)
• M30: 44,216,194 km (0.1 R)
• M31: 45,467,580 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967

Radius: 3.7

Gravity: 70.64 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.99 AU - 7.43 AU

Year: 10878 Days

Day: 15.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 85,839,046 km

• M1: 46,076 km (0.06 R)
• M2: 215,720 km (0.106 R)
• M3: 388,655 km (0.1 R)
• M4: 550,071 km (0.06 R)
• M5: 737,368 km (0.096 R)
• M6: 2,125,636 km (0.065 R)
• M7: 2,924,489 km (0.076 R)
• M8: 3,042,821 km (0.099 R)
• M9: 3,574,940 km (0.073 R)
• M10: 3,710,326 km (0.077 R)
• M11: 3,849,153 km (0.093 R)
• M12: 4,196,370 km (0.108 R)
• M13: 5,020,056 km (0.097 R)
• M14: 6,609,683 km (0.114 R)
• M15: 7,278,086 km (0.111 R)
• M16: 8,944,606 km (0.093 R)
• M17: 10,514,786 km (0.074 R)
• M18: 11,019,379 km (0.077 R)
• M19: 13,853,361 km (0.082 R)
• M20: 16,161,956 km (0.092 R)
• M21: 16,607,458 km (0.044 R)
• M22: 17,993,333 km (0.052 R)
• M23: 18,391,562 km (0.119 R)
• M24: 21,256,661 km (0.112 R)
• M25: 24,600,023 km (0.075 R)
• M26: 24,893,534 km (0.106 R)
• M27: 25,487,438 km (0.085 R)
• M28: 25,787,980 km (0.057 R)
• M29: 28,384,550 km (0.113 R)
• M30: 28,707,383 km (0.111 R)
• M31: 29,141,665 km (0.084 R)
• M32: 30,695,987 km (0.098 R)
• M33: 34,945,165 km (0.057 R)
• M34: 36,444,136 km (0.064 R)
• M35: 38,640,382 km (0.107 R)
• M36: 39,436,093 km (0.041 R)
• M37: 40,923,246 km (0.087 R)
• M38: 44,876,519 km (0.039 R)
• M39: 47,547,888 km (0.102 R)
• M40: 50,954,381 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.2

Radius: 5.5

Gravity: 26.12 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.29 AU - 8.23 AU

Year: 12355 Days

Day: 18.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 85,839,046 km

• M1: 70,012 km (0.119 R)
• M2: 328,068 km (0.086 R)
• M3: 552,016 km (0.1 R)
• M4: 1,015,770 km (0.05 R)
• M5: 1,310,477 km (0.1 R)
• M6: 1,567,786 km (0.069 R)
• M7: 2,261,471 km (0.113 R)
• M8: 2,996,745 km (0.088 R)
• M9: 3,291,004 km (0.097 R)
• M10: 3,577,483 km (0.048 R)
• M11: 5,231,886 km (0.106 R)
• M12: 5,478,274 km (0.056 R)
• M13: 5,994,387 km (0.114 R)
• M14: 6,462,030 km (0.103 R)
• M15: 8,578,241 km (0.074 R)
• M16: 8,822,385 km (0.069 R)
• M17: 9,530,432 km (0.117 R)
• M18: 9,951,699 km (0.112 R)
• M19: 10,550,988 km (0.062 R)
• M20: 11,116,468 km (0.082 R)
• M21: 12,870,653 km (0.046 R)
• M22: 13,913,500 km (0.11 R)
• M23: 14,524,158 km (0.098 R)
• M24: 15,223,528 km (0.05 R)
• M25: 16,240,046 km (0.086 R)
• M26: 17,223,652 km (0.088 R)
• M27: 17,927,510 km (0.057 R)
• M28: 21,289,123 km (0.057 R)
• M29: 21,556,904 km (0.116 R)
• M30: 23,495,393 km (0.08 R)
• M31: 24,751,865 km (0.057 R)
• M32: 27,609,035 km (0.086 R)
• M33: 32,530,955 km (0.039 R)
• M34: 33,484,491 km (0.077 R)
• M35: 42,495,220 km (0.096 R)
• M36: 42,919,928 km (0.08 R)
• M37: 47,933,402 km (0.098 R)
• M38: 56,163,678 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.9

Radius: 6.1

Gravity: 21.17 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.16 AU - 8.48 AU

Year: 15372 Days

Day: 24.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 85,839,046 km

• M1: 75,846 km (0.039 R)
• M2: 324,627 km (0.101 R)
• M3: 610,359 km (0.031 R)
• M4: 1,558,361 km (0.112 R)
• M5: 2,184,129 km (0.09 R)
• M6: 2,725,224 km (0.116 R)
• M7: 3,599,325 km (0.115 R)
• M8: 4,225,093 km (0.096 R)
• M9: 4,580,537 km (0.105 R)
• M10: 6,750,604 km (0.054 R)
• M11: 7,888,595 km (0.082 R)
• M12: 8,082,025 km (0.077 R)
• M13: 9,525,046 km (0.059 R)
• M14: 13,315,856 km (0.113 R)
• M15: 15,167,279 km (0.07 R)
• M16: 19,285,110 km (0.091 R)
• M17: 23,889,134 km (0.111 R)
• M18: 25,223,099 km (0.098 R)
• M19: 25,855,299 km (0.084 R)
• M20: 26,390,112 km (0.088 R)
• M21: 32,028,007 km (0.119 R)
• M22: 36,246,218 km (0.094 R)
• M23: 37,186,291 km (0.059 R)
• M24: 38,418,528 km (0.111 R)
• M25: 39,961,481 km (0.077 R)
• M26: 40,246,315 km (0.112 R)
• M27: 43,170,355 km (0.038 R)
• M28: 43,470,299 km (0.079 R)
• M29: 44,226,217 km (0.108 R)
• M30: 45,920,114 km (0.077 R)
• M31: 47,977,384 km (0.075 R)
• M32: 52,444,675 km (0.084 R)
• M33: 59,560,597 km (0.087 R)
• M34: 64,515,129 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.8

Radius: 5.2

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.46 AU - 8.36 AU

Year: 15638 Days

Day: 23.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,839,046 km

• M1: 64,776 km (0.106 R)
• M2: 241,750 km (0.076 R)
• M3: 470,186 km (0.104 R)
• M4: 1,565,243 km (0.117 R)
• M5: 1,854,415 km (0.12 R)
• M6: 3,190,025 km (0.085 R)
• M7: 3,553,997 km (0.084 R)
• M8: 3,999,649 km (0.056 R)
• M9: 6,196,344 km (0.119 R)
• M10: 7,997,652 km (0.119 R)
• M11: 9,327,427 km (0.106 R)
• M12: 18,231,343 km (0.09 R)
• M13: 19,153,614 km (0.1 R)
• M14: 20,841,826 km (0.095 R)
• M15: 22,452,396 km (0.055 R)
• M16: 33,661,765 km (0.057 R)
• M17: 41,752,766 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.6

Radius: 7.2

Gravity: 17.97 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.71 AU - 10.27 AU

Year: 20550 Days

Day: 18.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 85,839,046 km

• M1: 90,058 km (0.081 R)
• M2: 481,855 km (0.115 R)
• M3: 1,015,171 km (0.094 R)
• M4: 2,224,520 km (0.108 R)
• M5: 3,033,097 km (0.098 R)
• M6: 3,672,329 km (0.094 R)
• M7: 3,991,122 km (0.032 R)
• M8: 5,495,627 km (0.119 R)
• M9: 7,196,555 km (0.112 R)
• M10: 7,494,105 km (0.114 R)
• M11: 10,364,290 km (0.099 R)
• M12: 10,616,512 km (0.085 R)
• M13: 12,783,587 km (0.114 R)
• M14: 13,294,164 km (0.088 R)
• M15: 13,592,014 km (0.109 R)
• M16: 14,512,340 km (0.078 R)
• M17: 16,391,289 km (0.108 R)
• M18: 21,327,420 km (0.097 R)
• M19: 23,856,522 km (0.026 R)
• M20: 24,186,086 km (0.085 R)
• M21: 25,649,602 km (0.107 R)
• M22: 26,578,904 km (0.109 R)
• M23: 27,410,369 km (0.027 R)
• M24: 28,504,677 km (0.116 R)
• M25: 29,501,598 km (0.069 R)
• M26: 33,174,076 km (0.083 R)
• M27: 38,179,022 km (0.083 R)
• M28: 38,479,415 km (0.119 R)
• M29: 40,159,249 km (0.066 R)
• M30: 41,411,383 km (0.081 R)
• M31: 44,988,568 km (0.108 R)
• M32: 47,369,119 km (0.093 R)
• M33: 47,889,869 km (0.095 R)
• M34: 51,826,537 km (0.116 R)
• M35: 54,631,048 km (0.061 R)
• M36: 61,359,063 km (0.034 R)
• M37: 66,427,139 km (0.07 R)
• M38: 70,632,036 km (0.066 R)
• M39: 71,995,770 km (0.033 R)
• M40: 85,325,539 km (0.069 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 11,923 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit