🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.1

Radius: 11.2

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.66 AU - 0.98 AU

Year: 487 Days

Day: 5.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,524,081 km

• M1: 139,276 km (0.112 R)
• M2: 591,211 km (0.091 R)
• M3: 979,866 km (0.07 R)
• M4: 1,427,912 km (0.04 R)
• M5: 1,806,544 km (0.082 R)
• M6: 2,424,233 km (0.107 R)
• M7: 2,772,497 km (0.114 R)
• M8: 3,395,722 km (0.113 R)
• M9: 3,888,647 km (0.112 R)
• M10: 4,443,805 km (0.108 R)
• M11: 4,874,347 km (0.081 R)
• M12: 5,677,838 km (0.029 R)
• M13: 6,223,421 km (0.079 R)
• M14: 6,684,930 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.1

Radius: 14.5

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.04 AU - 1.3 AU

Year: 830 Days

Day: 8 Hours

Environment

Temp: -173 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,524,081 km

• M1: 180,714 km (0.027 R)
• M2: 638,484 km (0.111 R)
• M3: 1,776,026 km (0.078 R)
• M4: 2,840,714 km (0.106 R)
• M5: 4,066,968 km (0.05 R)
• M6: 4,617,637 km (0.116 R)
• M7: 5,380,886 km (0.047 R)
• M8: 5,948,311 km (0.034 R)
• M9: 6,513,940 km (0.096 R)
• M10: 7,182,044 km (0.102 R)
• M11: 7,637,121 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.3

Radius: 12.2

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.44 AU - 1.48 AU

Year: 1157 Days

Day: 14.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,524,081 km

• M1: 151,692 km (0.098 R)
• M2: 541,843 km (0.036 R)
• M3: 963,111 km (0.069 R)
• M4: 1,414,897 km (0.076 R)
• M5: 1,812,079 km (0.097 R)
• M6: 2,681,243 km (0.083 R)
• M7: 4,109,005 km (0.074 R)
• M8: 4,612,850 km (0.102 R)
• M9: 5,045,487 km (0.11 R)
• M10: 6,034,778 km (0.107 R)
• M11: 8,084,119 km (0.089 R)
• M12: 8,581,383 km (0.041 R)
• M13: 9,782,654 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773

Radius: 11.3

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.45 AU - 3.41 AU

Year: 3290 Days

Day: 13.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,524,081 km

• M1: 140,472 km (0.116 R)
• M2: 648,507 km (0.094 R)
• M3: 1,078,002 km (0.044 R)
• M4: 1,575,565 km (0.104 R)
• M5: 1,968,259 km (0.076 R)
• M6: 2,888,136 km (0.039 R)
• M7: 3,258,391 km (0.116 R)
• M8: 3,700,303 km (0.065 R)
• M9: 4,160,466 km (0.098 R)
• M10: 4,705,900 km (0.107 R)
• M11: 5,171,150 km (0.07 R)
• M12: 6,108,829 km (0.105 R)
• M13: 6,484,768 km (0.113 R)
• M14: 7,607,351 km (0.098 R)
• M15: 8,928,450 km (0.083 R)
• M16: 9,916,693 km (0.08 R)
• M17: 10,808,446 km (0.115 R)
• M18: 11,360,163 km (0.046 R)
• M19: 16,033,601 km (0.096 R)
• M20: 17,147,207 km (0.042 R)
• M21: 18,792,036 km (0.102 R)
• M22: 20,992,770 km (0.111 R)
• M23: 21,986,549 km (0.101 R)
• M24: 23,081,007 km (0.091 R)
• M25: 23,712,310 km (0.047 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.8

Radius: 3.5

Gravity: 13.94 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.83 AU - 7.31 AU

Year: 11047 Days

Day: 17.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,524,081 km

• M1: 44,281 km (0.057 R)
• M2: 1,484,011 km (0.055 R)
• M3: 2,198,341 km (0.099 R)
• M4: 2,411,966 km (0.095 R)
• M5: 4,492,873 km (0.096 R)
• M6: 5,912,557 km (0.057 R)
• M7: 10,122,690 km (0.108 R)
• M8: 12,880,227 km (0.069 R)
• M9: 13,410,552 km (0.041 R)
• M10: 15,737,846 km (0.082 R)
• M11: 30,626,424 km (0.085 R)
• M12: 31,760,077 km (0.07 R)

Asteroid Belt

Center: 6.85 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.5

Radius: 6.5

Gravity: 10.88 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.5 AU - 8.76 AU

Year: 12489 Days

Day: 20.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,524,081 km

• M1: 80,932 km (0.094 R)
• M2: 481,256 km (0.112 R)
• M3: 760,855 km (0.115 R)
• M4: 1,047,783 km (0.063 R)
• M5: 1,657,844 km (0.081 R)
• M6: 2,217,788 km (0.086 R)
• M7: 2,482,277 km (0.079 R)
• M8: 3,453,616 km (0.12 R)
• M9: 3,970,477 km (0.108 R)
• M10: 4,419,869 km (0.087 R)
• M11: 4,656,982 km (0.073 R)
• M12: 4,902,771 km (0.063 R)
• M13: 5,588,976 km (0.086 R)
• M14: 7,030,651 km (0.069 R)
• M15: 9,707,555 km (0.045 R)
• M16: 10,314,324 km (0.089 R)
• M17: 16,672,982 km (0.104 R)
• M18: 17,616,047 km (0.113 R)
• M19: 21,830,668 km (0.117 R)
• M20: 22,087,527 km (0.117 R)
• M21: 23,581,561 km (0.041 R)
• M22: 29,288,720 km (0.091 R)
• M23: 44,283,064 km (0.116 R)
• M24: 45,665,648 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.2

Radius: 5.4

Gravity: 31.59 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.13 AU - 8.81 AU

Year: 14760 Days

Day: 15.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,524,081 km

• M1: 67,169 km (0.057 R)
• M2: 428,149 km (0.103 R)
• M3: 640,428 km (0.091 R)
• M4: 1,257,669 km (0.12 R)
• M5: 1,507,797 km (0.095 R)
• M6: 2,249,952 km (0.032 R)
• M7: 2,552,140 km (0.089 R)
• M8: 2,880,956 km (0.108 R)
• M9: 3,977,508 km (0.116 R)
• M10: 4,163,159 km (0.028 R)
• M11: 4,585,474 km (0.098 R)
• M12: 5,401,830 km (0.072 R)
• M13: 7,045,910 km (0.063 R)
• M14: 8,079,332 km (0.079 R)
• M15: 8,735,468 km (0.103 R)
• M16: 11,281,923 km (0.112 R)
• M17: 13,645,121 km (0.089 R)
• M18: 15,316,279 km (0.112 R)
• M19: 16,005,775 km (0.11 R)
• M20: 22,381,936 km (0.103 R)
• M21: 22,970,903 km (0.117 R)
• M22: 24,591,796 km (0.109 R)
• M23: 30,027,883 km (0.082 R)
• M24: 35,150,114 km (0.116 R)
• M25: 35,414,005 km (0.119 R)
• M26: 42,296,704 km (0.072 R)
• M27: 43,498,872 km (0.118 R)
• M28: 44,569,245 km (0.055 R)
• M29: 51,533,026 km (0.085 R)
• M30: 54,828,068 km (0.108 R)
• M31: 55,539,257 km (0.109 R)
• M32: 62,798,493 km (0.118 R)
• M33: 65,950,969 km (0.091 R)
• M34: 66,553,550 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.7

Radius: 4.9

Gravity: 20.35 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.33 AU - 11.21 AU

Year: 18515 Days

Day: 22 Hours

Environment

Temp: -227 °C

Axial Tilt: 127.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,524,081 km

• M1: 61,485 km (0.079 R)
• M2: 877,092 km (0.114 R)
• M3: 1,168,958 km (0.09 R)
• M4: 1,507,797 km (0.11 R)
• M5: 1,734,288 km (0.07 R)
• M6: 2,214,946 km (0.09 R)
• M7: 2,421,990 km (0.076 R)
• M8: 2,756,640 km (0.116 R)
• M9: 4,378,879 km (0.099 R)
• M10: 5,746,503 km (0.059 R)
• M11: 6,845,449 km (0.027 R)
• M12: 7,196,256 km (0.105 R)
• M13: 7,698,157 km (0.079 R)
• M14: 8,077,687 km (0.082 R)
• M15: 8,519,300 km (0.053 R)
• M16: 9,343,883 km (0.072 R)
• M17: 13,244,647 km (0.065 R)
• M18: 13,997,274 km (0.092 R)
• M19: 16,193,970 km (0.066 R)
• M20: 23,942,690 km (0.116 R)
• M21: 25,679,522 km (0.089 R)
• M22: 28,271,903 km (0.105 R)
• M23: 32,235,499 km (0.1 R)
• M24: 33,969,787 km (0.079 R)
• M25: 37,893,889 km (0.06 R)
• M26: 38,851,016 km (0.084 R)
• M27: 46,006,880 km (0.085 R)
• M28: 47,252,881 km (0.059 R)
• M29: 47,725,909 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.8

Radius: 5.7

Gravity: 24.62 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.68 AU - 12.18 AU

Year: 20527 Days

Day: 21.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,524,081 km

• M1: 72,106 km (0.076 R)
• M2: 304,132 km (0.076 R)
• M3: 674,836 km (0.099 R)
• M4: 857,944 km (0.105 R)
• M5: 1,638,695 km (0.06 R)
• M6: 2,183,381 km (0.055 R)
• M7: 2,450,862 km (0.086 R)
• M8: 3,272,304 km (0.096 R)
• M9: 3,623,410 km (0.103 R)
• M10: 4,400,721 km (0.093 R)
• M11: 5,167,410 km (0.109 R)
• M12: 5,892,660 km (0.068 R)
• M13: 6,915,162 km (0.081 R)
• M14: 8,473,672 km (0.111 R)
• M15: 8,690,589 km (0.105 R)
• M16: 9,192,041 km (0.091 R)
• M17: 10,561,011 km (0.08 R)
• M18: 12,543,781 km (0.028 R)
• M19: 18,019,064 km (0.054 R)
• M20: 18,197,833 km (0.093 R)
• M21: 25,909,005 km (0.097 R)
• M22: 30,982,617 km (0.08 R)
• M23: 34,023,193 km (0.09 R)
• M24: 35,826,895 km (0.086 R)
• M25: 37,402,011 km (0.109 R)
• M26: 43,358,400 km (0.076 R)
• M27: 55,013,121 km (0.102 R)
• M28: 60,245,456 km (0.081 R)
• M29: 60,846,540 km (0.106 R)
• M30: 61,451,664 km (0.097 R)
• M31: 61,654,219 km (0.113 R)
• M32: 66,864,563 km (0.105 R)
• M33: 74,181,395 km (0.095 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 12,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit