🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.5

Radius: 12.9

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.36 AU - 1.8 AU

Year: 1282 Days

Day: 5.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 31,472,738 km

• M1: 168,298 km (0.11 R)
• M2: 583,880 km (0.1 R)
• M3: 919,877 km (0.039 R)
• M4: 1,717,084 km (0.054 R)
• M5: 3,164,743 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.6

Radius: 12.9

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.77 AU - 1.87 AU

Year: 1585 Days

Day: 14.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,472,738 km

• M1: 209,886 km (0.108 R)
• M2: 488,587 km (0.111 R)
• M3: 772,972 km (0.11 R)
• M4: 1,030,729 km (0.082 R)
• M5: 1,689,558 km (0.105 R)
• M6: 2,127,431 km (0.096 R)
• M7: 3,018,287 km (0.096 R)
• M8: 3,311,199 km (0.12 R)
• M9: 3,630,142 km (0.073 R)
• M10: 4,481,503 km (0.066 R)
• M11: 4,745,693 km (0.096 R)
• M12: 5,086,926 km (0.108 R)
• M13: 6,138,449 km (0.11 R)
• M14: 6,527,254 km (0.096 R)
• M15: 7,108,741 km (0.092 R)
• M16: 7,459,548 km (0.038 R)
• M17: 8,437,619 km (0.073 R)
• M18: 8,949,693 km (0.118 R)
• M19: 9,688,556 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.9

Radius: 10.5

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.17 AU - 2.79 AU

Year: 2522 Days

Day: 12.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,472,738 km

• M1: 130,898 km (0.081 R)
• M2: 473,328 km (0.03 R)
• M3: 1,367,923 km (0.071 R)
• M4: 1,675,496 km (0.033 R)
• M5: 2,067,143 km (0.039 R)
• M6: 2,447,571 km (0.103 R)
• M7: 2,922,095 km (0.106 R)
• M8: 4,110,800 km (0.12 R)
• M9: 4,725,946 km (0.087 R)
• M10: 5,160,528 km (0.069 R)
• M11: 5,426,513 km (0.081 R)
• M12: 5,806,193 km (0.118 R)
• M13: 6,627,934 km (0.12 R)
• M14: 7,751,713 km (0.041 R)
• M15: 10,096,959 km (0.065 R)
• M16: 10,441,034 km (0.083 R)
• M17: 11,387,390 km (0.119 R)
• M18: 12,788,374 km (0.082 R)
• M19: 13,470,241 km (0.095 R)
• M20: 15,061,214 km (0.075 R)
• M21: 17,073,755 km (0.11 R)
• M22: 18,127,672 km (0.052 R)
• M23: 18,861,000 km (0.087 R)
• M24: 19,608,990 km (0.119 R)
• M25: 20,371,640 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.2

Radius: 11.3

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.44 AU - 2.7 AU

Year: 2660 Days

Day: 11.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,472,738 km

• M1: 158,424 km (0.105 R)
• M2: 536,608 km (0.09 R)
• M3: 867,518 km (0.085 R)
• M4: 1,680,433 km (0.118 R)
• M5: 1,921,884 km (0.103 R)
• M6: 2,363,347 km (0.106 R)
• M7: 4,265,783 km (0.031 R)
• M8: 5,082,288 km (0.113 R)
• M9: 7,603,761 km (0.116 R)
• M10: 8,353,396 km (0.085 R)
• M11: 10,643,141 km (0.072 R)
• M12: 12,077,784 km (0.102 R)
• M13: 13,246,293 km (0.08 R)
• M14: 15,711,816 km (0.087 R)
• M15: 16,823,178 km (0.078 R)
• M16: 17,972,688 km (0.108 R)
• M17: 19,434,110 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.9

Radius: 12.9

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.99 AU - 3.17 AU

Year: 3490 Days

Day: 11.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 31,472,738 km

• M1: 190,887 km (0.075 R)
• M2: 465,549 km (0.118 R)
• M3: 737,218 km (0.101 R)
• M4: 995,424 km (0.073 R)
• M5: 1,345,184 km (0.084 R)
• M6: 1,586,186 km (0.117 R)
• M7: 2,250,850 km (0.105 R)
• M8: 2,605,247 km (0.063 R)
• M9: 3,456,160 km (0.095 R)
• M10: 3,742,340 km (0.034 R)
• M11: 4,088,510 km (0.05 R)
• M12: 4,400,272 km (0.089 R)
• M13: 5,113,704 km (0.101 R)
• M14: 5,689,955 km (0.109 R)
• M15: 5,980,175 km (0.081 R)
• M16: 6,624,194 km (0.081 R)
• M17: 7,410,779 km (0.064 R)
• M18: 8,381,819 km (0.036 R)
• M19: 8,782,592 km (0.102 R)
• M20: 9,813,321 km (0.051 R)
• M21: 11,224,179 km (0.038 R)
• M22: 12,274,655 km (0.1 R)
• M23: 12,760,100 km (0.104 R)
• M24: 13,669,805 km (0.109 R)
• M25: 14,030,335 km (0.03 R)
• M26: 14,395,803 km (0.066 R)
• M27: 15,520,480 km (0.074 R)
• M28: 16,359,275 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.9

Radius: 11.4

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.03 AU - 4.13 AU

Year: 4374 Days

Day: 9.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,472,738 km

• M1: 145,858 km (0.069 R)
• M2: 457,620 km (0.062 R)
• M3: 728,542 km (0.092 R)
• M4: 971,788 km (0.098 R)
• M5: 1,375,104 km (0.099 R)
• M6: 2,003,265 km (0.114 R)
• M7: 3,748,773 km (0.035 R)
• M8: 4,173,930 km (0.034 R)
• M9: 4,934,935 km (0.114 R)
• M10: 5,569,828 km (0.034 R)
• M11: 6,044,502 km (0.109 R)
• M12: 6,817,175 km (0.05 R)
• M13: 7,148,983 km (0.1 R)
• M14: 8,296,399 km (0.09 R)
• M15: 11,331,889 km (0.073 R)
• M16: 17,569,522 km (0.084 R)
• M17: 18,373,461 km (0.067 R)
• M18: 19,076,870 km (0.106 R)
• M19: 19,314,282 km (0.081 R)
• M20: 19,553,190 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.2

Radius: 13.1

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.46 AU - 4.08 AU

Year: 4726 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,472,738 km

• M1: 168,597 km (0.117 R)
• M2: 660,475 km (0.1 R)
• M3: 1,292,974 km (0.05 R)
• M4: 1,839,455 km (0.074 R)
• M5: 2,195,798 km (0.108 R)
• M6: 2,617,963 km (0.033 R)
• M7: 2,893,672 km (0.065 R)
• M8: 4,513,517 km (0.076 R)
• M9: 5,962,522 km (0.073 R)
• M10: 7,346,901 km (0.12 R)
• M11: 7,897,272 km (0.085 R)
• M12: 8,237,158 km (0.096 R)
• M13: 12,886,510 km (0.089 R)
• M14: 15,212,607 km (0.061 R)
• M15: 16,205,638 km (0.062 R)
• M16: 17,397,484 km (0.067 R)
• M17: 24,045,913 km (0.038 R)
• M18: 25,292,811 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.7

Radius: 5.9

Gravity: 19.12 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.71 AU - 8.23 AU

Year: 11881 Days

Day: 19.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 31,472,738 km

• M1: 118,033 km (0.095 R)
• M2: 284,535 km (0.101 R)
• M3: 513,869 km (0.079 R)
• M4: 1,101,040 km (0.099 R)
• M5: 1,238,371 km (0.12 R)
• M6: 1,854,565 km (0.068 R)
• M7: 2,013,737 km (0.115 R)
• M8: 2,463,877 km (0.038 R)
• M9: 3,162,499 km (0.108 R)
• M10: 3,450,924 km (0.113 R)
• M11: 3,696,563 km (0.091 R)
• M12: 4,303,033 km (0.072 R)
• M13: 5,900,589 km (0.107 R)
• M14: 6,514,538 km (0.111 R)
• M15: 6,890,029 km (0.089 R)
• M16: 7,198,051 km (0.07 R)
• M17: 9,816,463 km (0.053 R)
• M18: 12,175,023 km (0.092 R)
• M19: 15,987,524 km (0.119 R)
• M20: 16,279,689 km (0.088 R)
• M21: 16,633,937 km (0.118 R)
• M22: 17,052,063 km (0.092 R)
• M23: 18,713,497 km (0.105 R)
• M24: 22,269,289 km (0.1 R)
• M25: 22,544,998 km (0.086 R)
• M26: 23,523,368 km (0.113 R)
• M27: 25,030,117 km (0.055 R)
• M28: 25,912,146 km (0.073 R)
• M29: 31,608,085 km (0.07 R)
• M30: 32,018,881 km (0.084 R)
• M31: 32,349,492 km (0.089 R)
• M32: 32,598,573 km (0.078 R)
• M33: 32,848,700 km (0.066 R)
• M34: 33,267,425 km (0.082 R)
• M35: 34,711,493 km (0.12 R)
• M36: 37,513,012 km (0.034 R)
• M37: 38,591,613 km (0.095 R)
• M38: 40,330,688 km (0.091 R)
• M39: 41,074,489 km (0.054 R)
• M40: 43,059,354 km (0.093 R)
• M41: 45,188,879 km (0.099 R)
• M42: 53,260,582 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.2

Radius: 5.6

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.69 AU - 9.09 AU

Year: 17115 Days

Day: 23.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,472,738 km

• M1: 255,812 km (0.117 R)
• M2: 1,300,753 km (0.119 R)
• M3: 2,728,815 km (0.074 R)
• M4: 5,556,514 km (0.113 R)
• M5: 8,366,261 km (0.106 R)
• M6: 8,528,425 km (0.085 R)
• M7: 17,733,930 km (0.113 R)
• M8: 18,112,712 km (0.12 R)
• M9: 27,055,224 km (0.082 R)
• M10: 27,699,542 km (0.111 R)
• M11: 28,470,569 km (0.06 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 11,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit