🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.5

Radius: 13.6

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.7 AU - 1.82 AU

Year: 1485 Days

Day: 12.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,453,288 km

• M1: 169,195 km (0.106 R)
• M2: 643,121 km (0.081 R)
• M3: 1,667,867 km (0.055 R)
• M4: 3,104,006 km (0.103 R)
• M5: 3,674,872 km (0.075 R)
• M6: 4,212,078 km (0.079 R)
• M7: 4,815,555 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.9

Radius: 10.8

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.75 AU - 1.83 AU

Year: 1523 Days

Day: 12.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,453,288 km

• M1: 137,032 km (0.084 R)
• M2: 549,024 km (0.068 R)
• M3: 1,587,981 km (0.095 R)
• M4: 2,536,881 km (0.085 R)
• M5: 3,267,517 km (0.061 R)
• M6: 4,488,086 km (0.101 R)
• M7: 5,338,101 km (0.09 R)
• M8: 8,753,719 km (0.101 R)
• M9: 9,199,970 km (0.114 R)
• M10: 10,320,757 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.5

Radius: 8.4

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.8 AU - 3.76 AU

Year: 3777 Days

Day: 8.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,453,288 km

• M1: 104,569 km (0.032 R)
• M2: 439,668 km (0.054 R)
• M3: 709,842 km (0.026 R)
• M4: 1,014,872 km (0.096 R)
• M5: 1,652,757 km (0.064 R)
• M6: 2,243,669 km (0.109 R)
• M7: 2,550,195 km (0.099 R)
• M8: 3,106,400 km (0.065 R)
• M9: 3,394,974 km (0.082 R)
• M10: 4,110,650 km (0.117 R)
• M11: 5,216,627 km (0.052 R)
• M12: 6,863,700 km (0.083 R)
• M13: 7,137,614 km (0.092 R)
• M14: 7,419,007 km (0.102 R)
• M15: 8,273,510 km (0.081 R)
• M16: 8,549,219 km (0.119 R)
• M17: 8,866,815 km (0.076 R)
• M18: 10,695,350 km (0.053 R)
• M19: 11,357,171 km (0.057 R)
• M20: 12,222,296 km (0.045 R)
• M21: 14,378,300 km (0.081 R)
• M22: 16,072,945 km (0.119 R)
• M23: 16,503,039 km (0.091 R)
• M24: 17,668,705 km (0.104 R)
• M25: 19,977,449 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.3

Radius: 12.1

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.56 AU - 4.54 AU

Year: 5182 Days

Day: 8.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 124.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 85,453,288 km

• M1: 150,645 km (0.039 R)
• M2: 595,400 km (0.072 R)
• M3: 1,579,155 km (0.103 R)
• M4: 2,476,742 km (0.106 R)
• M5: 2,898,758 km (0.092 R)
• M6: 3,558,185 km (0.118 R)
• M7: 4,340,133 km (0.09 R)
• M8: 5,094,555 km (0.118 R)
• M9: 6,026,700 km (0.035 R)
• M10: 6,501,224 km (0.04 R)
• M11: 8,458,862 km (0.071 R)
• M12: 9,095,551 km (0.085 R)
• M13: 9,509,637 km (0.119 R)
• M14: 10,198,386 km (0.108 R)
• M15: 11,772,455 km (0.106 R)
• M16: 12,873,944 km (0.074 R)
• M17: 13,503,003 km (0.115 R)
• M18: 14,042,752 km (0.086 R)
• M19: 16,106,156 km (0.102 R)
• M20: 18,168,661 km (0.105 R)
• M21: 22,062,395 km (0.113 R)
• M22: 22,585,239 km (0.092 R)
• M23: 23,040,017 km (0.115 R)
• M24: 23,500,778 km (0.111 R)
• M25: 27,584,052 km (0.041 R)
• M26: 28,807,015 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.2

Radius: 14.6

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.15 AU - 6.03 AU

Year: 8403 Days

Day: 6.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,453,288 km

• M1: 181,612 km (0.106 R)
• M2: 748,289 km (0.036 R)
• M3: 1,409,661 km (0.057 R)
• M4: 2,224,371 km (0.042 R)
• M5: 2,695,454 km (0.103 R)
• M6: 3,529,762 km (0.116 R)
• M7: 4,056,346 km (0.115 R)
• M8: 5,155,143 km (0.096 R)
• M9: 6,644,689 km (0.094 R)
• M10: 7,862,565 km (0.118 R)
• M11: 10,460,033 km (0.071 R)
• M12: 14,369,623 km (0.12 R)
• M13: 17,744,851 km (0.058 R)
• M14: 18,343,541 km (0.112 R)
• M15: 21,994,627 km (0.032 R)
• M16: 23,391,422 km (0.039 R)
• M17: 27,759,082 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.1

Radius: 7.6

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.59 AU - 8.87 AU

Year: 12361 Days

Day: 19 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,453,288 km

• M1: 95,443 km (0.104 R)
• M2: 349,012 km (0.041 R)
• M3: 1,051,224 km (0.066 R)
• M4: 3,287,413 km (0.096 R)
• M5: 4,196,071 km (0.089 R)
• M6: 4,454,725 km (0.113 R)
• M7: 4,878,387 km (0.118 R)
• M8: 5,132,404 km (0.117 R)
• M9: 5,563,844 km (0.091 R)
• M10: 6,575,724 km (0.104 R)
• M11: 6,846,795 km (0.085 R)
• M12: 7,833,543 km (0.067 R)
• M13: 8,138,423 km (0.117 R)
• M14: 8,771,970 km (0.095 R)
• M15: 14,810,339 km (0.063 R)
• M16: 15,822,518 km (0.052 R)
• M17: 17,316,103 km (0.104 R)
• M18: 23,687,925 km (0.097 R)
• M19: 24,510,863 km (0.101 R)
• M20: 27,292,336 km (0.062 R)
• M21: 29,747,985 km (0.117 R)
• M22: 31,355,265 km (0.079 R)
• M23: 42,499,409 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.5

Radius: 6.3

Gravity: 24.88 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.96 AU - 8.88 AU

Year: 14172 Days

Day: 19.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 85,453,288 km

• M1: 93,798 km (0.103 R)
• M2: 897,886 km (0.119 R)
• M3: 4,645,163 km (0.06 R)
• M4: 4,955,579 km (0.059 R)
• M5: 6,851,283 km (0.097 R)
• M6: 7,208,373 km (0.032 R)
• M7: 8,008,722 km (0.119 R)
• M8: 8,354,891 km (0.115 R)
• M9: 9,344,930 km (0.095 R)
• M10: 10,122,989 km (0.066 R)
• M11: 10,352,921 km (0.071 R)
• M12: 11,185,732 km (0.083 R)
• M13: 12,782,390 km (0.075 R)
• M14: 13,669,954 km (0.111 R)
• M15: 15,720,043 km (0.107 R)
• M16: 16,578,735 km (0.077 R)
• M17: 16,898,725 km (0.111 R)
• M18: 18,818,365 km (0.119 R)
• M19: 20,418,763 km (0.12 R)
• M20: 26,190,398 km (0.083 R)
• M21: 26,733,588 km (0.096 R)
• M22: 28,522,480 km (0.059 R)
• M23: 32,089,042 km (0.111 R)
• M24: 33,340,877 km (0.055 R)
• M25: 33,850,707 km (0.058 R)
• M26: 35,279,367 km (0.089 R)
• M27: 38,814,963 km (0.106 R)
• M28: 39,379,096 km (0.026 R)
• M29: 41,543,329 km (0.052 R)
• M30: 43,481,967 km (0.068 R)
• M31: 47,378,394 km (0.078 R)
• M32: 49,164,143 km (0.111 R)
• M33: 49,990,372 km (0.109 R)
• M34: 55,321,592 km (0.114 R)
• M35: 57,482,982 km (0.081 R)
• M36: 59,700,172 km (0.03 R)
• M37: 62,744,040 km (0.114 R)
• M38: 67,298,697 km (0.1 R)
• M39: 67,704,855 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 541

Radius: 7.7

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.16 AU - 10.46 AU

Year: 16626 Days

Day: 22.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 85,453,288 km

• M1: 284,984 km (0.094 R)
• M2: 747,840 km (0.108 R)
• M3: 1,149,660 km (0.075 R)
• M4: 1,563,447 km (0.094 R)
• M5: 1,874,761 km (0.092 R)
• M6: 2,450,862 km (0.111 R)
• M7: 4,406,256 km (0.116 R)
• M8: 6,298,070 km (0.044 R)
• M9: 6,541,765 km (0.059 R)
• M10: 6,834,080 km (0.119 R)
• M11: 9,549,879 km (0.065 R)
• M12: 11,413,121 km (0.032 R)
• M13: 12,084,666 km (0.092 R)
• M14: 12,589,409 km (0.107 R)
• M15: 13,042,541 km (0.044 R)
• M16: 14,964,425 km (0.104 R)
• M17: 16,911,291 km (0.066 R)
• M18: 18,108,224 km (0.117 R)
• M19: 21,391,448 km (0.038 R)
• M20: 25,356,839 km (0.046 R)
• M21: 27,674,260 km (0.099 R)
• M22: 28,772,906 km (0.077 R)
• M23: 34,705,360 km (0.116 R)
• M24: 36,241,580 km (0.061 R)
• M25: 36,632,479 km (0.07 R)
• M26: 37,956,121 km (0.033 R)
• M27: 40,418,652 km (0.053 R)
• M28: 45,963,048 km (0.03 R)
• M29: 48,284,358 km (0.096 R)
• M30: 48,916,409 km (0.038 R)
• M31: 51,828,631 km (0.116 R)
• M32: 55,025,986 km (0.117 R)
• M33: 56,062,400 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.8

Radius: 3.3

Gravity: 45.53 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 8.85 AU - 9.91 AU

Year: 18266 Days

Day: 17.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 85,453,288 km

• M1: 46,525 km (0.038 R)
• M2: 304,282 km (0.11 R)
• M3: 524,939 km (0.062 R)
• M4: 885,769 km (0.056 R)
• M5: 1,183,618 km (0.078 R)
• M6: 1,421,778 km (0.036 R)
• M7: 1,690,905 km (0.059 R)
• M8: 2,166,776 km (0.101 R)
• M9: 3,737,254 km (0.067 R)
• M10: 4,123,366 km (0.055 R)
• M11: 5,150,655 km (0.057 R)
• M12: 7,555,740 km (0.114 R)
• M13: 7,741,690 km (0.045 R)
• M14: 8,026,225 km (0.029 R)
• M15: 9,025,389 km (0.03 R)
• M16: 11,087,147 km (0.076 R)
• M17: 15,581,067 km (0.064 R)
• M18: 16,418,815 km (0.106 R)
• M19: 18,770,643 km (0.094 R)
• M20: 20,337,831 km (0.057 R)
• M21: 23,140,098 km (0.111 R)
• M22: 23,829,146 km (0.107 R)
• M23: 28,141,454 km (0.092 R)
• M24: 29,956,226 km (0.098 R)
• M25: 30,072,164 km (0.097 R)
• M26: 36,390,879 km (0.116 R)
• M27: 40,068,742 km (0.118 R)
• M28: 41,635,481 km (0.048 R)
• M29: 46,579,840 km (0.115 R)
• M30: 47,047,932 km (0.111 R)
• M31: 47,519,016 km (0.112 R)
• M32: 49,921,857 km (0.067 R)
• M33: 53,249,811 km (0.073 R)
• M34: 53,420,053 km (0.098 R)
• M35: 54,276,351 km (0.116 R)
• M36: 60,158,839 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 654.9

Radius: 3.6

Gravity: 50.53 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 9.78 AU - 12.94 AU

Year: 24344 Days

Day: 23.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,453,288 km

• M1: 62,382 km (0.119 R)
• M2: 269,276 km (0.11 R)
• M3: 559,646 km (0.102 R)
• M4: 941,868 km (0.032 R)
• M5: 1,616,255 km (0.111 R)
• M6: 4,548,673 km (0.079 R)
• M7: 9,490,339 km (0.035 R)
• M8: 11,984,734 km (0.117 R)
• M9: 12,977,316 km (0.039 R)
• M10: 13,196,926 km (0.109 R)
• M11: 14,804,056 km (0.108 R)
• M12: 15,043,861 km (0.096 R)
• M13: 15,367,591 km (0.084 R)
• M14: 16,197,111 km (0.1 R)
• M15: 18,400,987 km (0.118 R)
• M16: 19,240,829 km (0.114 R)
• M17: 23,500,030 km (0.116 R)
• M18: 23,935,809 km (0.12 R)
• M19: 30,484,456 km (0.097 R)
• M20: 31,002,513 km (0.116 R)
• M21: 39,341,248 km (0.067 R)
• M22: 49,768,220 km (0.03 R)
• M23: 55,322,340 km (0.095 R)
• M24: 57,458,149 km (0.102 R)
• M25: 65,902,799 km (0.09 R)
• M26: 78,963,142 km (0.11 R)
• M27: 83,672,183 km (0.096 R)
• M28: 84,686,906 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 12,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit