🌌 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: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.1

Radius: 11.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.8 AU - 1.06 AU

Year: 619 Days

Day: 11.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,398,311 km

• M1: 145,559 km (0.087 R)
• M2: 624,571 km (0.114 R)
• M3: 1,297,462 km (0.083 R)
• M4: 1,918,892 km (0.084 R)
• M5: 2,554,384 km (0.097 R)
• M6: 3,487,725 km (0.039 R)
• M7: 4,635,290 km (0.119 R)
• M8: 5,432,647 km (0.075 R)
• M9: 6,609,084 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.7

Radius: 13.6

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.99 AU - 1.37 AU

Year: 885 Days

Day: 8.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,398,311 km

• M1: 169,195 km (0.094 R)
• M2: 631,303 km (0.099 R)
• M3: 1,067,530 km (0.118 R)
• M4: 1,505,104 km (0.107 R)
• M5: 2,047,396 km (0.065 R)
• M6: 2,632,175 km (0.035 R)
• M7: 3,327,206 km (0.101 R)
• M8: 4,431,538 km (0.099 R)
• M9: 5,527,641 km (0.062 R)
• M10: 6,467,864 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.6

Radius: 9.3

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1 AU - 1.54 AU

Year: 988 Days

Day: 7.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,398,311 km

• M1: 115,938 km (0.052 R)
• M2: 490,831 km (0.062 R)
• M3: 834,607 km (0.09 R)
• M4: 1,140,085 km (0.05 R)
• M5: 1,617,901 km (0.094 R)
• M6: 2,266,258 km (0.093 R)
• M7: 2,662,393 km (0.097 R)
• M8: 3,356,976 km (0.088 R)
• M9: 3,739,947 km (0.112 R)
• M10: 4,409,996 km (0.03 R)
• M11: 4,817,650 km (0.072 R)
• M12: 5,250,436 km (0.115 R)
• M13: 5,553,073 km (0.045 R)
• M14: 6,532,191 km (0.111 R)
• M15: 7,315,635 km (0.049 R)
• M16: 7,814,993 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.7

Radius: 8.2

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.65 AU - 2.43 AU

Year: 2011 Days

Day: 11 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,398,311 km

• M1: 103,223 km (0.098 R)
• M2: 463,005 km (0.116 R)
• M3: 1,018,163 km (0.037 R)
• M4: 1,622,389 km (0.112 R)
• M5: 1,919,341 km (0.12 R)
• M6: 2,420,344 km (0.09 R)
• M7: 2,869,736 km (0.056 R)
• M8: 3,258,690 km (0.059 R)
• M9: 3,843,768 km (0.088 R)
• M10: 4,396,681 km (0.036 R)
• M11: 5,876,354 km (0.087 R)
• M12: 6,715,748 km (0.112 R)
• M13: 10,884,292 km (0.059 R)
• M14: 12,385,956 km (0.066 R)
• M15: 13,040,297 km (0.119 R)
• M16: 13,460,667 km (0.038 R)
• M17: 13,803,545 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.9

Radius: 14.7

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.59 AU - 2.73 AU

Year: 2995 Days

Day: 13.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,398,311 km

• M1: 182,809 km (0.085 R)
• M2: 642,224 km (0.045 R)
• M3: 1,169,107 km (0.09 R)
• M4: 1,733,391 km (0.064 R)
• M5: 2,297,075 km (0.076 R)
• M6: 2,892,176 km (0.106 R)
• M7: 3,537,391 km (0.088 R)
• M8: 4,601,930 km (0.032 R)
• M9: 5,700,277 km (0.025 R)
• M10: 7,134,322 km (0.1 R)
• M11: 7,652,679 km (0.055 R)
• M12: 9,092,708 km (0.058 R)
• M13: 11,196,054 km (0.051 R)
• M14: 11,858,324 km (0.095 R)
• M15: 15,050,443 km (0.102 R)
• M16: 15,521,976 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.7

Radius: 14.4

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.75 AU - 2.91 AU

Year: 3286 Days

Day: 11.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,398,311 km

• M1: 179,069 km (0.104 R)
• M2: 781,798 km (0.083 R)
• M3: 1,323,044 km (0.104 R)
• M4: 2,589,689 km (0.069 R)
• M5: 5,187,157 km (0.076 R)
• M6: 5,850,324 km (0.12 R)
• M7: 6,323,352 km (0.094 R)
• M8: 7,805,119 km (0.116 R)
• M9: 9,795,818 km (0.072 R)
• M10: 11,165,985 km (0.033 R)
• M11: 12,190,282 km (0.108 R)
• M12: 15,491,458 km (0.072 R)
• M13: 16,350,449 km (0.088 R)
• M14: 17,187,599 km (0.117 R)
• M15: 18,329,629 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.4

Radius: 8

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.08 AU - 3.7 AU

Year: 4308 Days

Day: 9.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,398,311 km

• M1: 99,632 km (0.084 R)
• M2: 381,923 km (0.111 R)
• M3: 744,698 km (0.035 R)
• M4: 1,760,019 km (0.071 R)
• M5: 2,019,272 km (0.071 R)
• M6: 2,797,779 km (0.104 R)
• M7: 3,187,332 km (0.081 R)
• M8: 3,800,833 km (0.112 R)
• M9: 4,321,284 km (0.106 R)
• M10: 4,731,033 km (0.119 R)
• M11: 5,119,389 km (0.102 R)
• M12: 5,653,304 km (0.053 R)
• M13: 6,690,466 km (0.113 R)
• M14: 6,975,749 km (0.108 R)
• M15: 7,419,007 km (0.096 R)
• M16: 9,067,576 km (0.052 R)
• M17: 11,104,351 km (0.099 R)
• M18: 11,791,005 km (0.108 R)
• M19: 12,721,504 km (0.1 R)
• M20: 12,983,450 km (0.066 R)
• M21: 16,467,434 km (0.094 R)
• M22: 17,041,441 km (0.114 R)
• M23: 18,009,340 km (0.089 R)
• M24: 18,674,601 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.9

Radius: 10.5

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.77 AU - 5.13 AU

Year: 6480 Days

Day: 13.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,398,311 km

• M1: 133,591 km (0.05 R)
• M2: 547,827 km (0.072 R)
• M3: 1,178,083 km (0.115 R)
• M4: 2,354,670 km (0.09 R)
• M5: 3,366,999 km (0.11 R)
• M6: 4,330,110 km (0.057 R)
• M7: 4,748,087 km (0.056 R)
• M8: 5,665,571 km (0.082 R)
• M9: 6,858,913 km (0.113 R)
• M10: 8,586,469 km (0.069 R)
• M11: 8,932,938 km (0.119 R)
• M12: 9,328,774 km (0.066 R)
• M13: 10,456,442 km (0.112 R)
• M14: 10,985,869 km (0.077 R)
• M15: 13,335,603 km (0.116 R)
• M16: 14,011,187 km (0.11 R)
• M17: 17,246,540 km (0.034 R)
• M18: 22,437,437 km (0.11 R)
• M19: 23,318,718 km (0.094 R)
• M20: 25,150,544 km (0.057 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.2

Radius: 11.5

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.35 AU - 5.75 AU

Year: 7833 Days

Day: 9.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,398,311 km

• M1: 143,464 km (0.082 R)
• M2: 815,757 km (0.114 R)
• M3: 1,331,271 km (0.099 R)
• M4: 2,134,762 km (0.092 R)
• M5: 2,681,243 km (0.027 R)
• M6: 3,488,922 km (0.073 R)
• M7: 3,938,613 km (0.092 R)
• M8: 4,300,939 km (0.079 R)
• M9: 4,738,662 km (0.095 R)
• M10: 5,177,882 km (0.084 R)
• M11: 5,795,571 km (0.091 R)
• M12: 6,796,680 km (0.082 R)
• M13: 9,015,516 km (0.091 R)
• M14: 10,043,103 km (0.119 R)
• M15: 11,484,180 km (0.104 R)
• M16: 12,743,195 km (0.041 R)
• M17: 18,108,373 km (0.103 R)
• M18: 18,641,839 km (0.111 R)
• M19: 20,881,918 km (0.094 R)
• M20: 24,166,938 km (0.062 R)
• M21: 29,948,447 km (0.108 R)
• M22: 30,883,732 km (0.105 R)
• M23: 32,420,402 km (0.085 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.3

Radius: 5.9

Gravity: 26.93 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.64 AU - 5.84 AU

Year: 9492 Days

Day: 18.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,398,311 km

• M1: 73,453 km (0.117 R)
• M2: 279,748 km (0.106 R)
• M3: 894,745 km (0.078 R)
• M4: 1,261,559 km (0.099 R)
• M5: 1,951,504 km (0.108 R)
• M6: 2,292,887 km (0.086 R)
• M7: 2,548,699 km (0.081 R)
• M8: 2,758,435 km (0.038 R)
• M9: 4,688,248 km (0.043 R)
• M10: 5,892,660 km (0.106 R)
• M11: 6,111,671 km (0.11 R)
• M12: 10,035,773 km (0.107 R)
• M13: 10,830,287 km (0.106 R)
• M14: 11,382,752 km (0.099 R)
• M15: 13,717,975 km (0.113 R)
• M16: 13,974,236 km (0.1 R)
• M17: 16,642,614 km (0.095 R)
• M18: 19,390,427 km (0.045 R)
• M19: 19,632,177 km (0.119 R)
• M20: 19,957,702 km (0.04 R)
• M21: 21,639,631 km (0.056 R)
• M22: 23,322,757 km (0.117 R)
• M23: 26,155,093 km (0.097 R)
• M24: 27,450,760 km (0.062 R)
• M25: 27,755,641 km (0.058 R)
• M26: 28,372,283 km (0.08 R)
• M27: 31,040,361 km (0.088 R)
• M28: 32,832,993 km (0.059 R)
• M29: 33,176,619 km (0.105 R)
• M30: 39,262,560 km (0.083 R)
• M31: 41,490,221 km (0.109 R)
• M32: 47,061,246 km (0.117 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: 479 - 15,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit