🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.29 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.2

Radius: 10.9

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.96 AU - 3.2 AU

Year: 2860 Days

Day: 5.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,918,794 km

• M1: 135,984 km (0.053 R)
• M2: 537,356 km (0.083 R)
• M3: 884,722 km (0.094 R)
• M4: 1,327,681 km (0.089 R)
• M5: 3,161,153 km (0.079 R)
• M6: 3,930,983 km (0.041 R)
• M7: 5,153,198 km (0.118 R)
• M8: 6,379,302 km (0.114 R)
• M9: 6,732,203 km (0.064 R)
• M10: 8,985,447 km (0.068 R)
• M11: 11,735,803 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.8

Radius: 13.3

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.42 AU - 3.22 AU

Year: 3269 Days

Day: 15 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,918,794 km

• M1: 165,455 km (0.048 R)
• M2: 1,504,805 km (0.038 R)
• M3: 2,305,752 km (0.117 R)
• M4: 2,954,259 km (0.114 R)
• M5: 3,375,377 km (0.096 R)
• M6: 4,113,493 km (0.071 R)
• M7: 4,685,854 km (0.111 R)
• M8: 5,238,768 km (0.12 R)
• M9: 5,809,334 km (0.07 R)
• M10: 6,284,607 km (0.07 R)
• M11: 7,105,001 km (0.048 R)
• M12: 8,754,168 km (0.063 R)
• M13: 9,380,684 km (0.106 R)
• M14: 9,814,817 km (0.118 R)
• M15: 13,834,961 km (0.114 R)
• M16: 15,026,358 km (0.101 R)
• M17: 15,874,877 km (0.074 R)
• M18: 16,597,585 km (0.084 R)
• M19: 17,180,567 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.7

Radius: 13.3

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.19 AU - 4.17 AU

Year: 4873 Days

Day: 6.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 112.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,918,794 km

• M1: 165,455 km (0.087 R)
• M2: 775,366 km (0.105 R)
• M3: 1,495,380 km (0.096 R)
• M4: 2,157,052 km (0.11 R)
• M5: 2,616,317 km (0.12 R)
• M6: 3,160,405 km (0.076 R)
• M7: 4,142,515 km (0.042 R)
• M8: 4,679,721 km (0.101 R)
• M9: 5,805,893 km (0.117 R)
• M10: 8,551,912 km (0.075 R)
• M11: 9,971,745 km (0.109 R)
• M12: 11,170,323 km (0.113 R)
• M13: 11,876,575 km (0.115 R)
• M14: 12,462,849 km (0.04 R)
• M15: 13,171,195 km (0.112 R)
• M16: 15,573,438 km (0.12 R)
• M17: 19,168,723 km (0.091 R)
• M18: 19,772,351 km (0.116 R)
• M19: 25,067,367 km (0.045 R)
• M20: 28,992,516 km (0.094 R)
• M21: 29,788,377 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.6

Radius: 8.2

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.25 AU - 5.19 AU

Year: 7078 Days

Day: 12.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,918,794 km

• M1: 102,026 km (0.059 R)
• M2: 537,804 km (0.084 R)
• M3: 1,009,786 km (0.103 R)
• M4: 1,566,589 km (0.099 R)
• M5: 1,907,522 km (0.099 R)
• M6: 5,669,759 km (0.028 R)
• M7: 7,663,450 km (0.1 R)
• M8: 9,812,424 km (0.079 R)
• M9: 13,576,605 km (0.07 R)
• M10: 14,141,786 km (0.117 R)
• M11: 17,668,107 km (0.051 R)
• M12: 18,616,258 km (0.109 R)
• M13: 22,514,031 km (0.116 R)
• M14: 22,986,910 km (0.114 R)
• M15: 30,802,501 km (0.086 R)
• M16: 31,679,593 km (0.05 R)
• M17: 35,460,978 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.3

Radius: 13.9

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.86 AU - 4.9 AU

Year: 7441 Days

Day: 14.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,918,794 km

• M1: 172,935 km (0.102 R)
• M2: 695,630 km (0.075 R)
• M3: 1,434,494 km (0.076 R)
• M4: 2,884,247 km (0.109 R)
• M5: 3,327,805 km (0.083 R)
• M6: 5,532,129 km (0.108 R)
• M7: 6,058,863 km (0.048 R)
• M8: 7,430,377 km (0.104 R)
• M9: 11,353,730 km (0.056 R)
• M10: 12,033,653 km (0.116 R)
• M11: 14,286,597 km (0.101 R)
• M12: 15,745,625 km (0.119 R)
• M13: 16,753,914 km (0.077 R)
• M14: 17,974,932 km (0.089 R)
• M15: 20,160,856 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560

Radius: 3.7

Gravity: 40.91 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.62 AU - 5.78 AU

Year: 9393 Days

Day: 20.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,918,794 km

• M1: 46,525 km (0.109 R)
• M2: 185,202 km (0.104 R)
• M3: 317,895 km (0.108 R)
• M4: 478,713 km (0.11 R)
• M5: 919,728 km (0.113 R)
• M6: 1,362,837 km (0.074 R)
• M7: 1,533,827 km (0.111 R)
• M8: 2,100,055 km (0.098 R)
• M9: 2,814,983 km (0.055 R)
• M10: 3,412,776 km (0.046 R)
• M11: 4,914,739 km (0.03 R)
• M12: 6,921,145 km (0.083 R)
• M13: 9,046,034 km (0.086 R)
• M14: 12,788,673 km (0.067 R)
• M15: 13,077,397 km (0.104 R)
• M16: 19,346,595 km (0.088 R)
• M17: 19,498,138 km (0.109 R)
• M18: 21,622,727 km (0.109 R)
• M19: 22,363,834 km (0.078 R)
• M20: 25,046,124 km (0.073 R)
• M21: 29,610,206 km (0.088 R)
• M22: 29,811,564 km (0.078 R)
• M23: 35,146,823 km (0.058 R)
• M24: 38,515,318 km (0.108 R)
• M25: 39,969,858 km (0.116 R)
• M26: 40,586,650 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.3

Radius: 7

Gravity: 18.72 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.05 AU - 8.11 AU

Year: 14405 Days

Day: 20.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,918,794 km

• M1: 87,814 km (0.064 R)
• M2: 633,547 km (0.074 R)
• M3: 884,722 km (0.106 R)
• M4: 1,501,963 km (0.026 R)
• M5: 1,850,226 km (0.108 R)
• M6: 2,292,438 km (0.029 R)
• M7: 2,708,918 km (0.051 R)
• M8: 3,149,185 km (0.027 R)
• M9: 4,491,975 km (0.097 R)
• M10: 5,002,403 km (0.074 R)
• M11: 5,253,428 km (0.05 R)
• M12: 5,859,150 km (0.109 R)
• M13: 7,209,121 km (0.062 R)
• M14: 7,530,009 km (0.1 R)
• M15: 8,962,259 km (0.115 R)
• M16: 10,163,530 km (0.076 R)
• M17: 10,625,787 km (0.118 R)
• M18: 13,560,897 km (0.115 R)
• M19: 14,192,350 km (0.113 R)
• M20: 14,990,604 km (0.073 R)
• M21: 15,363,103 km (0.116 R)
• M22: 17,895,496 km (0.119 R)
• M23: 20,147,991 km (0.106 R)
• M24: 30,099,540 km (0.083 R)
• M25: 33,521,741 km (0.086 R)
• M26: 35,986,217 km (0.091 R)
• M27: 36,654,321 km (0.073 R)
• M28: 41,857,484 km (0.06 R)
• M29: 48,498,283 km (0.118 R)
• M30: 52,493,594 km (0.1 R)
• M31: 60,003,706 km (0.104 R)
• M32: 64,797,420 km (0.091 R)
• M33: 67,186,498 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.4

Radius: 8

Gravity: 14.23 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 9.28 AU - 9.88 AU

Year: 20467 Days

Day: 20.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 55,918,794 km

• M1: 99,782 km (0.101 R)
• M2: 374,593 km (0.073 R)
• M3: 636,689 km (0.09 R)
• M4: 3,405,296 km (0.066 R)
• M5: 4,191,882 km (0.109 R)
• M6: 5,094,406 km (0.081 R)
• M7: 8,965,700 km (0.101 R)
• M8: 9,542,549 km (0.099 R)
• M9: 10,143,783 km (0.119 R)
• M10: 10,516,581 km (0.072 R)
• M11: 10,898,504 km (0.109 R)
• M12: 11,689,877 km (0.11 R)
• M13: 12,590,007 km (0.068 R)
• M14: 15,161,595 km (0.067 R)
• M15: 17,350,361 km (0.11 R)
• M16: 17,615,748 km (0.047 R)
• M17: 19,741,384 km (0.106 R)
• M18: 21,724,004 km (0.117 R)
• M19: 22,032,475 km (0.052 R)
• M20: 23,618,661 km (0.104 R)
• M21: 25,053,604 km (0.062 R)
• M22: 29,329,710 km (0.117 R)
• M23: 29,959,666 km (0.087 R)
• M24: 30,856,655 km (0.093 R)
• M25: 32,036,234 km (0.082 R)
• M26: 32,435,960 km (0.117 R)
• M27: 34,484,852 km (0.082 R)
• M28: 35,327,986 km (0.065 R)
• M29: 46,714,927 km (0.114 R)
• M30: 48,094,369 km (0.052 R)
• M31: 48,618,560 km (0.087 R)
• M32: 49,323,465 km (0.089 R)
• M33: 67,913,843 km (0.06 R)
• M34: 71,255,710 km (0.098 R)
• M35: 74,705,586 km (0.094 R)
• M36: 76,828,081 km (0.085 R)
• M37: 79,233,315 km (0.046 R)
• M38: 80,454,483 km (0.069 R)
• M39: 82,434,411 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.2

Radius: 4.6

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.7 AU - 11.52 AU

Year: 20563 Days

Day: 17.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,918,794 km

• M1: 58,194 km (0.114 R)
• M2: 3,345,457 km (0.081 R)
• M3: 4,375,738 km (0.086 R)
• M4: 5,494,580 km (0.114 R)
• M5: 8,755,963 km (0.098 R)
• M6: 9,452,940 km (0.077 R)
• M7: 10,566,546 km (0.035 R)
• M8: 11,413,719 km (0.097 R)
• M9: 12,183,699 km (0.104 R)
• M10: 15,899,112 km (0.115 R)
• M11: 18,488,202 km (0.111 R)
• M12: 22,970,155 km (0.031 R)
• M13: 24,385,949 km (0.095 R)
• M14: 30,520,658 km (0.102 R)
• M15: 48,406,729 km (0.072 R)
• M16: 55,417,484 km (0.091 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: 506 - 13,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit