🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.19 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.7

Radius: 13.5

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.13 AU - 2.63 AU

Year: 2371 Days

Day: 8.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,255,645 km

• M1: 167,849 km (0.055 R)
• M2: 638,484 km (0.048 R)
• M3: 1,136,794 km (0.072 R)
• M4: 1,858,903 km (0.082 R)
• M5: 2,338,364 km (0.106 R)
• M6: 3,826,564 km (0.098 R)
• M7: 4,633,495 km (0.066 R)
• M8: 5,551,128 km (0.115 R)
• M9: 7,327,603 km (0.096 R)
• M10: 8,035,500 km (0.118 R)
• M11: 8,819,692 km (0.062 R)
• M12: 10,228,156 km (0.039 R)
• M13: 10,824,603 km (0.067 R)
• M14: 11,296,285 km (0.094 R)
• M15: 12,125,805 km (0.087 R)
• M16: 13,240,010 km (0.067 R)
• M17: 14,815,575 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607

Radius: 11.6

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.29 AU - 2.69 AU

Year: 2537 Days

Day: 11.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,255,645 km

• M1: 144,212 km (0.036 R)
• M2: 550,371 km (0.118 R)
• M3: 1,049,130 km (0.096 R)
• M4: 1,589,627 km (0.083 R)
• M5: 2,258,629 km (0.117 R)
• M6: 2,979,092 km (0.11 R)
• M7: 4,340,433 km (0.114 R)
• M8: 5,503,556 km (0.112 R)
• M9: 5,951,302 km (0.106 R)
• M10: 7,091,537 km (0.062 R)
• M11: 7,472,563 km (0.091 R)
• M12: 8,339,932 km (0.033 R)
• M13: 9,033,617 km (0.119 R)
• M14: 9,873,011 km (0.045 R)
• M15: 10,237,730 km (0.054 R)
• M16: 11,150,277 km (0.032 R)
• M17: 12,534,656 km (0.091 R)
• M18: 13,400,828 km (0.112 R)
• M19: 15,107,889 km (0.051 R)
• M20: 16,088,802 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.2

Radius: 11.5

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.62 AU - 2.64 AU

Year: 2754 Days

Day: 14.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,255,645 km

• M1: 151,692 km (0.118 R)
• M2: 533,616 km (0.11 R)
• M3: 921,972 km (0.104 R)
• M4: 1,367,025 km (0.08 R)
• M5: 1,820,756 km (0.095 R)
• M6: 2,660,897 km (0.07 R)
• M7: 3,341,119 km (0.106 R)
• M8: 3,742,939 km (0.106 R)
• M9: 5,450,000 km (0.093 R)
• M10: 6,461,431 km (0.049 R)
• M11: 7,027,360 km (0.098 R)
• M12: 7,658,663 km (0.079 R)
• M13: 8,021,737 km (0.06 R)
• M14: 8,998,162 km (0.067 R)
• M15: 12,048,164 km (0.094 R)
• M16: 16,479,851 km (0.12 R)
• M17: 18,228,800 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.1

Radius: 10.4

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.97 AU - 4.85 AU

Year: 4992 Days

Day: 12.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,255,645 km

• M1: 130,898 km (0.083 R)
• M2: 660,026 km (0.104 R)
• M3: 1,083,537 km (0.098 R)
• M4: 1,560,755 km (0.098 R)
• M5: 1,906,176 km (0.12 R)
• M6: 2,238,433 km (0.044 R)
• M7: 3,371,038 km (0.1 R)
• M8: 6,353,272 km (0.078 R)
• M9: 7,465,532 km (0.094 R)
• M10: 8,866,965 km (0.087 R)
• M11: 9,805,392 km (0.104 R)
• M12: 11,046,008 km (0.106 R)
• M13: 11,779,037 km (0.072 R)
• M14: 13,125,867 km (0.057 R)
• M15: 16,371,393 km (0.102 R)
• M16: 17,130,602 km (0.053 R)
• M17: 17,518,958 km (0.109 R)
• M18: 18,719,331 km (0.047 R)
• M19: 19,062,359 km (0.116 R)
• M20: 20,476,358 km (0.112 R)
• M21: 21,807,779 km (0.052 R)
• M22: 23,038,970 km (0.091 R)
• M23: 27,625,192 km (0.087 R)
• M24: 29,157,373 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.1

Radius: 9.2

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.14 AU - 4.78 AU

Year: 5088 Days

Day: 11.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,255,645 km

• M1: 115,190 km (0.056 R)
• M2: 457,021 km (0.046 R)
• M3: 869,313 km (0.03 R)
• M4: 1,500,766 km (0.079 R)
• M5: 2,217,190 km (0.065 R)
• M6: 2,892,475 km (0.044 R)
• M7: 3,587,507 km (0.093 R)
• M8: 4,166,450 km (0.093 R)
• M9: 4,969,641 km (0.104 R)
• M10: 5,719,725 km (0.048 R)
• M11: 6,379,152 km (0.088 R)
• M12: 6,880,604 km (0.055 R)
• M13: 8,307,768 km (0.095 R)
• M14: 9,405,218 km (0.088 R)
• M15: 10,921,093 km (0.078 R)
• M16: 12,645,209 km (0.117 R)
• M17: 13,063,484 km (0.116 R)
• M18: 13,653,648 km (0.097 R)
• M19: 16,071,449 km (0.109 R)
• M20: 16,500,496 km (0.118 R)
• M21: 19,651,475 km (0.105 R)
• M22: 22,338,552 km (0.099 R)
• M23: 30,340,991 km (0.055 R)
• M24: 31,470,904 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274

Radius: 9

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.53 AU - 7.21 AU

Year: 9183 Days

Day: 11.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,255,645 km

• M1: 112,049 km (0.088 R)
• M2: 411,245 km (0.084 R)
• M3: 898,036 km (0.061 R)
• M4: 1,328,878 km (0.1 R)
• M5: 2,208,364 km (0.064 R)
• M6: 3,412,477 km (0.066 R)
• M7: 5,766,100 km (0.074 R)
• M8: 6,566,599 km (0.112 R)
• M9: 7,011,203 km (0.115 R)
• M10: 8,230,576 km (0.115 R)
• M11: 8,626,561 km (0.077 R)
• M12: 9,160,177 km (0.09 R)
• M13: 12,627,556 km (0.098 R)
• M14: 13,806,836 km (0.065 R)
• M15: 15,412,021 km (0.111 R)
• M16: 17,330,165 km (0.091 R)
• M17: 18,988,907 km (0.042 R)
• M18: 19,681,245 km (0.12 R)
• M19: 21,116,039 km (0.055 R)
• M20: 22,085,283 km (0.109 R)
• M21: 22,773,583 km (0.065 R)
• M22: 25,253,766 km (0.097 R)
• M23: 25,670,097 km (0.116 R)
• M24: 28,713,067 km (0.115 R)
• M25: 29,902,071 km (0.042 R)
• M26: 31,028,543 km (0.113 R)
• M27: 31,410,167 km (0.118 R)
• M28: 32,085,751 km (0.034 R)
• M29: 33,067,413 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.2

Radius: 3.7

Gravity: 17.69 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.67 AU - 6.71 AU

Year: 9944 Days

Day: 21 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,255,645 km

• M1: 83,924 km (0.091 R)
• M2: 585,676 km (0.108 R)
• M3: 859,889 km (0.032 R)
• M4: 1,279,959 km (0.075 R)
• M5: 2,108,432 km (0.049 R)
• M6: 5,936,343 km (0.113 R)
• M7: 7,775,649 km (0.064 R)
• M8: 7,928,238 km (0.119 R)
• M9: 17,053,559 km (0.095 R)
• M10: 19,607,494 km (0.113 R)
• M11: 22,175,042 km (0.105 R)
• M12: 22,404,974 km (0.11 R)
• M13: 26,390,112 km (0.053 R)
• M14: 32,272,449 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.6

Radius: 5.7

Gravity: 10.85 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.48 AU - 8.12 AU

Year: 12735 Days

Day: 17.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,255,645 km

• M1: 72,106 km (0.055 R)
• M2: 258,954 km (0.104 R)
• M3: 488,138 km (0.11 R)
• M4: 701,614 km (0.052 R)
• M5: 1,114,055 km (0.066 R)
• M6: 2,002,966 km (0.109 R)
• M7: 4,485,692 km (0.081 R)
• M8: 6,517,381 km (0.074 R)
• M9: 8,372,245 km (0.056 R)
• M10: 9,902,033 km (0.1 R)
• M11: 11,828,404 km (0.098 R)
• M12: 13,382,726 km (0.043 R)
• M13: 14,810,040 km (0.074 R)
• M14: 15,133,171 km (0.103 R)
• M15: 15,329,443 km (0.102 R)
• M16: 17,172,190 km (0.117 R)
• M17: 17,745,449 km (0.084 R)
• M18: 18,183,621 km (0.103 R)
• M19: 28,933,575 km (0.117 R)
• M20: 30,466,654 km (0.092 R)
• M21: 33,250,969 km (0.109 R)
• M22: 37,260,641 km (0.093 R)
• M23: 38,099,436 km (0.074 R)
• M24: 41,709,083 km (0.1 R)
• M25: 43,398,641 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.2

Radius: 7

Gravity: 13.49 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 9.01 AU - 12.83 AU

Year: 23300 Days

Day: 16.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 83,255,645 km

• M1: 87,365 km (0.056 R)
• M2: 732,581 km (0.092 R)
• M3: 1,280,408 km (0.092 R)
• M4: 1,670,111 km (0.032 R)
• M5: 3,776,598 km (0.094 R)
• M6: 4,231,825 km (0.104 R)
• M7: 4,650,699 km (0.119 R)
• M8: 7,565,164 km (0.08 R)
• M9: 10,545,603 km (0.07 R)
• M10: 11,054,684 km (0.045 R)
• M11: 12,121,766 km (0.049 R)
• M12: 14,382,040 km (0.034 R)
• M13: 14,849,833 km (0.079 R)
• M14: 15,327,798 km (0.104 R)
• M15: 16,482,693 km (0.092 R)
• M16: 17,961,768 km (0.118 R)
• M17: 19,908,485 km (0.116 R)
• M18: 22,094,259 km (0.111 R)
• M19: 27,527,654 km (0.105 R)
• M20: 32,308,203 km (0.112 R)
• M21: 35,173,751 km (0.12 R)
• M22: 38,950,798 km (0.056 R)
• M23: 41,248,322 km (0.07 R)
• M24: 52,252,292 km (0.108 R)
• M25: 54,476,962 km (0.059 R)
• M26: 55,232,431 km (0.118 R)
• M27: 58,520,892 km (0.065 R)
• M28: 59,313,162 km (0.113 R)
• M29: 60,313,673 km (0.081 R)
• M30: 69,165,528 km (0.118 R)
• M31: 71,844,976 km (0.113 R)
• M32: 75,057,590 km (0.08 R)
• M33: 77,886,336 km (0.027 R)
• M34: 79,568,863 km (0.105 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: 517 - 14,160 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit