🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.7

Radius: 13.6

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.88 AU - 1 AU

Year: 629 Days

Day: 12.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,385,990 km

• M1: 170,242 km (0.113 R)
• M2: 643,570 km (0.105 R)
• M3: 1,090,419 km (0.108 R)
• M4: 1,518,119 km (0.112 R)
• M5: 2,000,423 km (0.101 R)
• M6: 2,554,982 km (0.091 R)
• M7: 4,627,960 km (0.032 R)
• M8: 5,330,023 km (0.053 R)
• M9: 6,158,496 km (0.094 R)
• M10: 6,784,413 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.6

Radius: 12.1

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.91 AU - 1.17 AU

Year: 732 Days

Day: 9.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,385,990 km

• M1: 153,787 km (0.101 R)
• M2: 928,853 km (0.104 R)
• M3: 1,488,648 km (0.095 R)
• M4: 2,382,196 km (0.04 R)
• M5: 2,983,281 km (0.055 R)
• M6: 3,967,934 km (0.097 R)
• M7: 4,535,957 km (0.073 R)
• M8: 6,168,369 km (0.075 R)
• M9: 6,731,007 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.1

Radius: 12

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.33 AU - 2.57 AU

Year: 2647 Days

Day: 5.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,385,990 km

• M1: 150,346 km (0.097 R)
• M2: 566,078 km (0.117 R)
• M3: 1,054,366 km (0.105 R)
• M4: 1,545,795 km (0.101 R)
• M5: 2,321,460 km (0.114 R)
• M6: 3,483,536 km (0.117 R)
• M7: 4,256,059 km (0.091 R)
• M8: 5,069,423 km (0.079 R)
• M9: 5,452,094 km (0.113 R)
• M10: 6,466,667 km (0.028 R)
• M11: 7,092,285 km (0.079 R)
• M12: 8,531,118 km (0.068 R)
• M13: 9,074,607 km (0.097 R)
• M14: 9,786,394 km (0.036 R)
• M15: 10,458,537 km (0.098 R)
• M16: 10,884,292 km (0.118 R)
• M17: 11,688,082 km (0.074 R)
• M18: 12,487,981 km (0.106 R)
• M19: 15,803,220 km (0.117 R)
• M20: 16,468,182 km (0.089 R)
• M21: 17,581,639 km (0.117 R)
• M22: 19,143,441 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.9

Radius: 8.7

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.45 AU - 3.03 AU

Year: 3131 Days

Day: 5.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,385,990 km

• M1: 108,758 km (0.109 R)
• M2: 623,823 km (0.113 R)
• M3: 1,130,362 km (0.109 R)
• M4: 1,794,277 km (0.11 R)
• M5: 2,111,275 km (0.096 R)
• M6: 2,435,902 km (0.062 R)
• M7: 3,276,792 km (0.116 R)
• M8: 3,754,308 km (0.027 R)
• M9: 4,147,601 km (0.085 R)
• M10: 4,454,725 km (0.108 R)
• M11: 5,115,200 km (0.116 R)
• M12: 5,625,628 km (0.065 R)
• M13: 6,282,811 km (0.099 R)
• M14: 7,237,246 km (0.081 R)
• M15: 8,047,917 km (0.083 R)
• M16: 8,845,872 km (0.106 R)
• M17: 10,761,472 km (0.044 R)
• M18: 11,301,670 km (0.109 R)
• M19: 15,919,158 km (0.105 R)
• M20: 19,572,488 km (0.094 R)
• M21: 21,462,956 km (0.103 R)
• M22: 22,252,085 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.8

Radius: 11.7

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.46 AU - 3.2 AU

Year: 3286 Days

Day: 5.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,385,990 km

• M1: 146,756 km (0.09 R)
• M2: 518,357 km (0.107 R)
• M3: 995,125 km (0.072 R)
• M4: 1,649,765 km (0.098 R)
• M5: 2,055,774 km (0.097 R)
• M6: 3,074,685 km (0.095 R)
• M7: 3,578,381 km (0.098 R)
• M8: 4,449,041 km (0.108 R)
• M9: 5,350,966 km (0.096 R)
• M10: 5,942,775 km (0.095 R)
• M11: 6,881,203 km (0.097 R)
• M12: 7,483,633 km (0.114 R)
• M13: 8,224,741 km (0.079 R)
• M14: 8,903,616 km (0.045 R)
• M15: 9,389,361 km (0.036 R)
• M16: 11,081,013 km (0.105 R)
• M17: 12,778,800 km (0.041 R)
• M18: 13,301,195 km (0.103 R)
• M19: 15,481,285 km (0.105 R)
• M20: 15,857,524 km (0.05 R)
• M21: 19,774,295 km (0.069 R)
• M22: 20,602,619 km (0.094 R)
• M23: 22,260,462 km (0.09 R)
• M24: 23,297,026 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.6

Radius: 12.5

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3 AU - 4.28 AU

Year: 4794 Days

Day: 6.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,385,990 km

• M1: 156,180 km (0.08 R)
• M2: 546,631 km (0.056 R)
• M3: 1,120,338 km (0.108 R)
• M4: 1,542,504 km (0.06 R)
• M5: 2,121,148 km (0.088 R)
• M6: 2,524,464 km (0.101 R)
• M7: 3,369,243 km (0.097 R)
• M8: 4,018,648 km (0.115 R)
• M9: 4,476,267 km (0.034 R)
• M10: 6,268,450 km (0.05 R)
• M11: 6,970,064 km (0.041 R)
• M12: 7,398,213 km (0.107 R)
• M13: 8,724,249 km (0.11 R)
• M14: 11,290,600 km (0.096 R)
• M15: 12,044,274 km (0.063 R)
• M16: 13,215,476 km (0.117 R)
• M17: 14,691,857 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.9

Radius: 9.8

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.07 AU - 5.59 AU

Year: 8494 Days

Day: 6.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,385,990 km

• M1: 124,316 km (0.114 R)
• M2: 559,047 km (0.111 R)
• M3: 1,255,425 km (0.097 R)
• M4: 1,834,818 km (0.106 R)
• M5: 2,640,702 km (0.08 R)
• M6: 3,103,109 km (0.086 R)
• M7: 7,717,455 km (0.085 R)
• M8: 11,871,339 km (0.092 R)
• M9: 13,708,700 km (0.1 R)
• M10: 16,509,621 km (0.1 R)
• M11: 17,660,477 km (0.102 R)
• M12: 19,301,416 km (0.114 R)
• M13: 21,591,461 km (0.099 R)
• M14: 27,815,779 km (0.054 R)
• M15: 28,382,755 km (0.116 R)
• M16: 29,150,940 km (0.079 R)
• M17: 36,137,011 km (0.118 R)
• M18: 39,242,065 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.5

Radius: 7.2

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.57 AU - 9.09 AU

Year: 18111 Days

Day: 16.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,385,990 km

• M1: 89,609 km (0.061 R)
• M2: 316,399 km (0.096 R)
• M3: 746,493 km (0.047 R)
• M4: 995,125 km (0.109 R)
• M5: 1,385,276 km (0.038 R)
• M6: 2,253,842 km (0.027 R)
• M7: 3,538,289 km (0.061 R)
• M8: 3,911,087 km (0.103 R)
• M9: 6,076,666 km (0.063 R)
• M10: 7,178,304 km (0.072 R)
• M11: 8,024,879 km (0.105 R)
• M12: 8,321,382 km (0.088 R)
• M13: 9,675,691 km (0.095 R)
• M14: 9,963,218 km (0.103 R)
• M15: 18,407,569 km (0.032 R)
• M16: 22,812,329 km (0.103 R)
• M17: 27,201,979 km (0.033 R)
• M18: 30,970,798 km (0.083 R)
• M19: 31,386,680 km (0.063 R)
• M20: 38,677,931 km (0.065 R)
• M21: 41,004,926 km (0.049 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.8

Radius: 4.7

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.43 AU - 11.79 AU

Year: 20563 Days

Day: 22.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 40,385,990 km

• M1: 62,083 km (0.077 R)
• M2: 413,339 km (0.071 R)
• M3: 567,275 km (0.105 R)
• M4: 1,052,271 km (0.041 R)
• M5: 1,908,719 km (0.099 R)
• M6: 2,529,401 km (0.09 R)
• M7: 3,450,924 km (0.1 R)
• M8: 3,606,206 km (0.111 R)
• M9: 4,957,673 km (0.115 R)
• M10: 5,854,662 km (0.082 R)
• M11: 6,113,616 km (0.047 R)
• M12: 6,457,691 km (0.054 R)
• M13: 8,943,858 km (0.12 R)
• M14: 9,948,857 km (0.089 R)
• M15: 10,105,935 km (0.048 R)
• M16: 14,389,221 km (0.105 R)
• M17: 16,483,292 km (0.098 R)
• M18: 16,703,350 km (0.099 R)
• M19: 19,992,259 km (0.045 R)
• M20: 20,749,075 km (0.099 R)
• M21: 21,612,255 km (0.082 R)
• M22: 23,134,264 km (0.099 R)
• M23: 24,918,218 km (0.118 R)
• M24: 27,402,440 km (0.117 R)
• M25: 27,607,988 km (0.039 R)
• M26: 27,918,254 km (0.102 R)
• M27: 28,440,650 km (0.077 R)
• M28: 30,485,204 km (0.058 R)
• M29: 31,262,365 km (0.068 R)
• M30: 31,825,601 km (0.083 R)
• M31: 33,321,729 km (0.064 R)
• M32: 36,205,677 km (0.11 R)
• M33: 36,701,893 km (0.087 R)
• M34: 37,202,746 km (0.056 R)
• M35: 42,190,040 km (0.103 R)
• M36: 50,786,981 km (0.049 R)
• M37: 51,252,829 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.1

Radius: 5.3

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.37 AU - 10.97 AU

Year: 20756 Days

Day: 21.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,385,990 km

• M1: 77,492 km (0.119 R)
• M2: 250,277 km (0.084 R)
• M3: 506,987 km (0.111 R)
• M4: 842,086 km (0.055 R)
• M5: 1,209,948 km (0.114 R)
• M6: 1,475,783 km (0.109 R)
• M7: 1,707,211 km (0.09 R)
• M8: 2,010,446 km (0.095 R)
• M9: 2,421,092 km (0.076 R)
• M10: 2,588,791 km (0.036 R)
• M11: 3,204,985 km (0.085 R)
• M12: 3,571,200 km (0.091 R)
• M13: 5,166,662 km (0.093 R)
• M14: 8,559,093 km (0.111 R)
• M15: 10,389,722 km (0.041 R)
• M16: 11,816,586 km (0.054 R)
• M17: 13,718,574 km (0.111 R)
• M18: 15,241,031 km (0.103 R)
• M19: 16,141,012 km (0.032 R)
• M20: 16,670,888 km (0.047 R)
• M21: 18,473,392 km (0.085 R)
• M22: 22,134,800 km (0.076 R)
• M23: 23,037,175 km (0.118 R)
• M24: 29,951,887 km (0.071 R)
• M25: 31,977,293 km (0.042 R)
• M26: 32,393,175 km (0.116 R)
• M27: 32,917,964 km (0.109 R)
• M28: 37,898,825 km (0.057 R)
• M29: 38,598,644 km (0.047 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 14,336 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit