🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.8

Radius: 9.7

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.32 AU - 1.98 AU

Year: 1438 Days

Day: 13.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,817,638 km

• M1: 121,025 km (0.098 R)
• M2: 557,701 km (0.078 R)
• M3: 870,061 km (0.113 R)
• M4: 1,546,244 km (0.103 R)
• M5: 2,158,847 km (0.096 R)
• M6: 2,735,247 km (0.117 R)
• M7: 3,364,905 km (0.044 R)
• M8: 3,966,588 km (0.069 R)
• M9: 4,793,415 km (0.064 R)
• M10: 5,342,290 km (0.086 R)
• M11: 6,397,254 km (0.115 R)
• M12: 8,246,134 km (0.095 R)
• M13: 9,463,113 km (0.075 R)
• M14: 10,065,992 km (0.048 R)
• M15: 11,811,350 km (0.069 R)
• M16: 12,139,119 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.8

Radius: 10.7

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.33 AU - 3.51 AU

Year: 3384 Days

Day: 5.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,817,638 km

• M1: 133,292 km (0.052 R)
• M2: 594,203 km (0.105 R)
• M3: 1,413,849 km (0.103 R)
• M4: 1,927,569 km (0.032 R)
• M5: 2,346,143 km (0.102 R)
• M6: 4,943,312 km (0.065 R)
• M7: 7,383,852 km (0.089 R)
• M8: 7,857,329 km (0.03 R)
• M9: 10,417,996 km (0.056 R)
• M10: 13,817,458 km (0.085 R)
• M11: 15,081,410 km (0.069 R)
• M12: 15,741,586 km (0.095 R)
• M13: 16,315,144 km (0.029 R)
• M14: 16,956,619 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.1

Radius: 9.2

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.18 AU - 4.08 AU

Year: 4691 Days

Day: 6.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,817,638 km

• M1: 114,442 km (0.095 R)
• M2: 445,054 km (0.062 R)
• M3: 852,708 km (0.096 R)
• M4: 1,815,071 km (0.053 R)
• M5: 2,520,425 km (0.111 R)
• M6: 3,049,702 km (0.1 R)
• M7: 3,772,559 km (0.1 R)
• M8: 4,747,488 km (0.108 R)
• M9: 5,319,850 km (0.087 R)
• M10: 5,609,471 km (0.083 R)
• M11: 6,049,588 km (0.1 R)
• M12: 6,336,218 km (0.077 R)
• M13: 7,283,322 km (0.116 R)
• M14: 8,044,775 km (0.066 R)
• M15: 10,040,710 km (0.116 R)
• M16: 10,773,739 km (0.114 R)
• M17: 11,541,925 km (0.108 R)
• M18: 13,818,206 km (0.101 R)
• M19: 15,192,711 km (0.073 R)
• M20: 17,107,265 km (0.117 R)
• M21: 19,673,018 km (0.062 R)
• M22: 23,455,450 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.2

Radius: 13.3

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.19 AU - 5.43 AU

Year: 8299 Days

Day: 11.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,817,638 km

• M1: 170,990 km (0.099 R)
• M2: 661,223 km (0.097 R)
• M3: 1,887,028 km (0.058 R)
• M4: 2,388,480 km (0.096 R)
• M5: 4,690,492 km (0.082 R)
• M6: 5,270,483 km (0.113 R)
• M7: 7,893,532 km (0.091 R)
• M8: 10,035,474 km (0.11 R)
• M9: 10,954,603 km (0.109 R)
• M10: 12,540,790 km (0.095 R)
• M11: 16,103,313 km (0.074 R)
• M12: 25,488,036 km (0.107 R)
• M13: 28,707,831 km (0.107 R)
• M14: 33,678,071 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.6

Radius: 14.1

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.45 AU - 6.57 AU

Year: 8772 Days

Day: 12.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,817,638 km

• M1: 175,478 km (0.103 R)
• M2: 829,670 km (0.105 R)
• M3: 1,562,251 km (0.111 R)
• M4: 2,059,813 km (0.12 R)
• M5: 2,664,188 km (0.094 R)
• M6: 3,919,464 km (0.112 R)
• M7: 7,771,011 km (0.109 R)
• M8: 8,315,248 km (0.07 R)
• M9: 11,376,619 km (0.038 R)
• M10: 11,860,418 km (0.089 R)
• M11: 16,925,204 km (0.112 R)
• M12: 17,986,601 km (0.103 R)
• M13: 20,241,789 km (0.077 R)
• M14: 24,856,135 km (0.113 R)
• M15: 25,672,790 km (0.09 R)
• M16: 26,694,992 km (0.098 R)
• M17: 27,938,001 km (0.08 R)
• M18: 28,524,424 km (0.116 R)
• M19: 29,119,226 km (0.088 R)
• M20: 30,745,654 km (0.032 R)
• M21: 31,475,990 km (0.05 R)
• M22: 32,217,846 km (0.096 R)
• M23: 36,334,331 km (0.11 R)
• M24: 36,799,431 km (0.076 R)
• M25: 38,098,838 km (0.054 R)
• M26: 38,699,623 km (0.096 R)
• M27: 39,919,893 km (0.06 R)
• M28: 41,798,243 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.8

Radius: 11.3

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.56 AU - 5.7 AU

Year: 9061 Days

Day: 10.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,817,638 km

• M1: 140,472 km (0.094 R)
• M2: 789,877 km (0.059 R)
• M3: 1,230,143 km (0.101 R)
• M4: 1,728,603 km (0.103 R)
• M5: 2,304,854 km (0.057 R)
• M6: 3,230,865 km (0.058 R)
• M7: 4,650,998 km (0.044 R)
• M8: 5,368,469 km (0.096 R)
• M9: 6,675,955 km (0.12 R)
• M10: 7,262,528 km (0.093 R)
• M11: 7,798,537 km (0.068 R)
• M12: 8,360,875 km (0.067 R)
• M13: 8,811,614 km (0.109 R)
• M14: 9,278,509 km (0.085 R)
• M15: 11,097,918 km (0.102 R)
• M16: 11,698,404 km (0.119 R)
• M17: 15,430,123 km (0.102 R)
• M18: 17,238,013 km (0.081 R)
• M19: 24,770,864 km (0.088 R)
• M20: 25,233,720 km (0.088 R)
• M21: 28,033,743 km (0.087 R)
• M22: 32,007,960 km (0.081 R)
• M23: 36,581,167 km (0.075 R)
• M24: 40,539,677 km (0.081 R)
• M25: 42,095,046 km (0.065 R)
• M26: 44,094,720 km (0.082 R)
• M27: 44,911,974 km (0.097 R)
• M28: 46,436,525 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474

Radius: 6.6

Gravity: 10.88 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.56 AU - 9.12 AU

Year: 16336 Days

Day: 17.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,817,638 km

• M1: 151,991 km (0.1 R)
• M2: 618,138 km (0.069 R)
• M3: 924,664 km (0.043 R)
• M4: 1,499,569 km (0.1 R)
• M5: 1,781,262 km (0.102 R)
• M6: 3,512,259 km (0.057 R)
• M7: 4,949,296 km (0.08 R)
• M8: 10,617,559 km (0.103 R)
• M9: 14,077,608 km (0.087 R)
• M10: 15,260,778 km (0.118 R)
• M11: 16,659,967 km (0.113 R)
• M12: 17,665,115 km (0.109 R)
• M13: 17,982,412 km (0.119 R)
• M14: 20,224,435 km (0.048 R)
• M15: 22,739,475 km (0.112 R)
• M16: 31,638,454 km (0.118 R)
• M17: 31,989,111 km (0.097 R)
• M18: 34,516,567 km (0.074 R)
• M19: 39,019,313 km (0.082 R)
• M20: 43,753,936 km (0.093 R)
• M21: 50,430,639 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.9

Radius: 7.4

Gravity: 13.82 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.84 AU - 12.34 AU

Year: 21738 Days

Day: 24.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,817,638 km

• M1: 92,152 km (0.096 R)
• M2: 345,272 km (0.088 R)
• M3: 707,897 km (0.056 R)
• M4: 1,102,686 km (0.095 R)
• M5: 1,389,914 km (0.108 R)
• M6: 2,160,044 km (0.104 R)
• M7: 3,356,827 km (0.07 R)
• M8: 4,265,484 km (0.076 R)
• M9: 5,651,060 km (0.102 R)
• M10: 6,513,790 km (0.094 R)
• M11: 7,313,541 km (0.081 R)
• M12: 7,864,958 km (0.052 R)
• M13: 9,509,937 km (0.104 R)
• M14: 10,351,125 km (0.106 R)
• M15: 13,687,158 km (0.093 R)
• M16: 15,637,615 km (0.092 R)
• M17: 28,218,796 km (0.099 R)
• M18: 30,454,536 km (0.116 R)
• M19: 35,275,627 km (0.063 R)
• M20: 36,699,948 km (0.102 R)
• M21: 38,757,667 km (0.119 R)
• M22: 43,262,657 km (0.051 R)
• M23: 45,891,690 km (0.114 R)
• M24: 54,039,837 km (0.093 R)
• M25: 61,661,550 km (0.083 R)
• M26: 77,319,211 km (0.08 R)
• M27: 80,934,842 km (0.137 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.9

Radius: 5.8

Gravity: 21.43 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.59 AU - 11.59 AU

Year: 21738 Days

Day: 17.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,817,638 km

• M1: 76,594 km (0.091 R)
• M2: 273,315 km (0.099 R)
• M3: 687,701 km (0.079 R)
• M4: 895,942 km (0.068 R)
• M5: 1,160,281 km (0.119 R)
• M6: 1,411,755 km (0.048 R)
• M7: 1,735,335 km (0.09 R)
• M8: 2,192,207 km (0.112 R)
• M9: 3,607,104 km (0.094 R)
• M10: 3,949,982 km (0.028 R)
• M11: 4,996,120 km (0.086 R)
• M12: 5,542,751 km (0.05 R)
• M13: 5,788,989 km (0.06 R)
• M14: 7,422,298 km (0.108 R)
• M15: 7,620,964 km (0.082 R)
• M16: 8,344,270 km (0.067 R)
• M17: 11,632,581 km (0.06 R)
• M18: 15,857,225 km (0.088 R)
• M19: 16,187,238 km (0.104 R)
• M20: 17,906,267 km (0.041 R)
• M21: 21,002,943 km (0.091 R)
• M22: 21,702,761 km (0.111 R)
• M23: 26,461,919 km (0.081 R)
• M24: 27,751,901 km (0.065 R)
• M25: 33,737,461 km (0.047 R)
• M26: 36,525,966 km (0.102 R)
• M27: 40,375,867 km (0.063 R)
• M28: 43,193,992 km (0.095 R)
• M29: 51,344,682 km (0.108 R)
• M30: 53,531,354 km (0.039 R)
• M31: 54,647,653 km (0.099 R)
• M32: 56,351,124 km (0.069 R)
• M33: 62,080,274 km (0.108 R)
• M34: 64,560,307 km (0.049 R)
• M35: 65,401,347 km (0.052 R)
• M36: 68,839,106 km (0.082 R)
• M37: 72,169,603 km (0.163 R)
• M38: 74,910,087 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 15,340 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit