🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.2

Radius: 8.3

Gravity: 13.56 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.86 AU - 1.18 AU

Year: 665 Days

Day: 5.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,568,455 km

• M1: 103,372 km (0.079 R)
• M2: 372,798 km (0.07 R)
• M3: 642,822 km (0.045 R)
• M4: 1,274,125 km (0.088 R)
• M5: 1,733,989 km (0.103 R)
• M6: 2,627,687 km (0.099 R)
• M7: 3,255,100 km (0.116 R)
• M8: 3,513,156 km (0.111 R)
• M9: 4,024,632 km (0.076 R)
• M10: 5,999,623 km (0.116 R)
• M11: 6,326,793 km (0.071 R)
• M12: 7,311,147 km (0.105 R)
• M13: 7,780,136 km (0.116 R)
• M14: 8,095,489 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.3

Radius: 10.8

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.59 AU - 2.51 AU

Year: 1895 Days

Day: 6.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,568,455 km

• M1: 134,339 km (0.053 R)
• M2: 505,342 km (0.051 R)
• M3: 979,118 km (0.1 R)
• M4: 1,562,849 km (0.1 R)
• M5: 2,514,441 km (0.056 R)
• M6: 3,378,818 km (0.104 R)
• M7: 3,743,388 km (0.103 R)
• M8: 4,096,139 km (0.113 R)
• M9: 4,552,712 km (0.086 R)
• M10: 4,912,046 km (0.107 R)
• M11: 5,313,118 km (0.092 R)
• M12: 5,857,355 km (0.112 R)
• M13: 6,386,483 km (0.053 R)
• M14: 7,686,787 km (0.078 R)
• M15: 9,024,043 km (0.049 R)
• M16: 10,115,509 km (0.087 R)
• M17: 12,477,809 km (0.062 R)
• M18: 13,918,586 km (0.097 R)
• M19: 15,752,207 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.4

Radius: 14.4

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.78 AU - 2.96 AU

Year: 2356 Days

Day: 8 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,568,455 km

• M1: 179,218 km (0.112 R)
• M2: 683,064 km (0.099 R)
• M3: 1,403,228 km (0.087 R)
• M4: 2,478,687 km (0.056 R)
• M5: 3,188,828 km (0.025 R)
• M6: 3,893,135 km (0.092 R)
• M7: 4,817,949 km (0.096 R)
• M8: 5,332,865 km (0.104 R)
• M9: 6,401,592 km (0.072 R)
• M10: 7,446,533 km (0.062 R)
• M11: 8,024,430 km (0.102 R)
• M12: 9,490,040 km (0.093 R)
• M13: 10,848,239 km (0.118 R)
• M14: 12,181,904 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.5

Radius: 14

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.41 AU - 6.41 AU

Year: 9277 Days

Day: 9.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,568,455 km

• M1: 174,431 km (0.046 R)
• M2: 660,923 km (0.03 R)
• M3: 1,741,918 km (0.078 R)
• M4: 3,418,311 km (0.119 R)
• M5: 9,144,768 km (0.06 R)
• M6: 18,967,215 km (0.07 R)
• M7: 19,607,793 km (0.11 R)
• M8: 22,159,185 km (0.096 R)
• M9: 22,631,465 km (0.116 R)
• M10: 26,743,462 km (0.113 R)
• M11: 28,463,837 km (0.064 R)
• M12: 32,124,348 km (0.113 R)
• M13: 34,802,748 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 22.7

Radius: 7.9

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.34 AU - 6.82 AU

Year: 9680 Days

Day: 23.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,568,455 km

• M1: 98,286 km (0.077 R)
• M2: 784,940 km (0.096 R)
• M3: 1,070,672 km (0.082 R)
• M4: 1,444,068 km (0.072 R)
• M5: 1,722,769 km (0.096 R)
• M6: 2,574,879 km (0.095 R)
• M7: 4,701,412 km (0.06 R)
• M8: 6,825,552 km (0.116 R)
• M9: 7,906,247 km (0.119 R)
• M10: 9,819,155 km (0.101 R)
• M11: 12,021,386 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.2

Radius: 3.3

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.66 AU - 7.76 AU

Year: 11223 Days

Day: 21.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,568,455 km

• M1: 43,084 km (0.101 R)
• M2: 218,413 km (0.092 R)
• M3: 360,082 km (0.057 R)
• M4: 572,212 km (0.078 R)
• M5: 712,535 km (0.085 R)
• M6: 1,724,115 km (0.064 R)
• M7: 8,946,701 km (0.109 R)
• M8: 12,996,764 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.2

Radius: 7.4

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.26 AU - 9.28 AU

Year: 13984 Days

Day: 16.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 78,568,455 km

• M1: 92,451 km (0.09 R)
• M2: 439,818 km (0.11 R)
• M3: 697,874 km (0.081 R)
• M4: 1,026,989 km (0.072 R)
• M5: 1,310,477 km (0.079 R)
• M6: 1,692,102 km (0.107 R)
• M7: 2,091,827 km (0.096 R)
• M8: 2,431,863 km (0.111 R)
• M9: 2,721,484 km (0.044 R)
• M10: 3,395,273 km (0.102 R)
• M11: 4,033,009 km (0.118 R)
• M12: 5,371,611 km (0.091 R)
• M13: 5,828,931 km (0.116 R)
• M14: 8,329,310 km (0.051 R)
• M15: 9,087,771 km (0.087 R)
• M16: 9,333,860 km (0.098 R)
• M17: 10,796,179 km (0.117 R)
• M18: 13,141,126 km (0.096 R)
• M19: 15,177,302 km (0.076 R)
• M20: 19,454,156 km (0.108 R)
• M21: 20,531,111 km (0.119 R)
• M22: 21,560,045 km (0.105 R)
• M23: 28,256,644 km (0.094 R)
• M24: 28,676,565 km (0.09 R)
• M25: 30,397,539 km (0.032 R)
• M26: 32,529,459 km (0.11 R)
• M27: 33,222,845 km (0.06 R)
• M28: 34,519,709 km (0.084 R)
• M29: 36,218,542 km (0.113 R)
• M30: 42,055,851 km (0.108 R)
• M31: 44,698,049 km (0.05 R)
• M32: 50,927,603 km (0.108 R)
• M33: 52,967,071 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.3

Radius: 7.7

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.71 AU - 8.79 AU

Year: 15300 Days

Day: 20.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 78,568,455 km

• M1: 96,341 km (0.115 R)
• M2: 342,280 km (0.114 R)
• M3: 712,535 km (0.082 R)
• M4: 1,392,906 km (0.064 R)
• M5: 1,778,419 km (0.081 R)
• M6: 2,989,414 km (0.099 R)
• M7: 3,300,877 km (0.085 R)
• M8: 3,660,510 km (0.117 R)
• M9: 3,989,326 km (0.097 R)
• M10: 4,643,668 km (0.027 R)
• M11: 5,264,499 km (0.03 R)
• M12: 6,551,489 km (0.108 R)
• M13: 9,076,552 km (0.042 R)
• M14: 9,940,180 km (0.09 R)
• M15: 11,480,440 km (0.035 R)
• M16: 13,751,186 km (0.11 R)
• M17: 15,374,772 km (0.041 R)
• M18: 18,279,065 km (0.1 R)
• M19: 23,899,307 km (0.115 R)
• M20: 25,638,083 km (0.056 R)
• M21: 27,252,842 km (0.082 R)
• M22: 28,295,988 km (0.082 R)
• M23: 29,691,437 km (0.08 R)
• M24: 30,907,518 km (0.095 R)
• M25: 34,272,274 km (0.107 R)
• M26: 38,259,955 km (0.054 R)
• M27: 38,909,658 km (0.071 R)
• M28: 41,174,121 km (0.082 R)
• M29: 41,582,523 km (0.113 R)
• M30: 45,381,711 km (0.086 R)
• M31: 47,439,878 km (0.117 R)
• M32: 48,039,167 km (0.066 R)
• M33: 51,425,764 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.6

Radius: 5.5

Gravity: 31.95 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.01 AU - 10.15 AU

Year: 17666 Days

Day: 19.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 78,568,455 km

• M1: 68,665 km (0.033 R)
• M2: 384,018 km (0.092 R)
• M3: 848,519 km (0.089 R)
• M4: 1,309,729 km (0.051 R)
• M5: 1,718,880 km (0.078 R)
• M6: 2,083,749 km (0.113 R)
• M7: 2,521,921 km (0.112 R)
• M8: 2,763,222 km (0.034 R)
• M9: 3,153,822 km (0.104 R)
• M10: 3,492,063 km (0.108 R)
• M11: 6,353,422 km (0.1 R)
• M12: 6,985,921 km (0.116 R)
• M13: 7,221,688 km (0.084 R)
• M14: 8,481,451 km (0.108 R)
• M15: 8,858,887 km (0.115 R)
• M16: 10,853,326 km (0.06 R)
• M17: 11,042,567 km (0.047 R)
• M18: 15,148,280 km (0.116 R)
• M19: 16,190,678 km (0.101 R)
• M20: 19,510,704 km (0.084 R)
• M21: 20,550,409 km (0.11 R)
• M22: 25,189,439 km (0.118 R)
• M23: 34,664,220 km (0.096 R)
• M24: 38,625,273 km (0.111 R)
• M25: 42,251,824 km (0.12 R)
• M26: 43,827,539 km (0.107 R)
• M27: 44,307,897 km (0.111 R)
• M28: 44,791,697 km (0.115 R)
• M29: 51,227,996 km (0.028 R)
• M30: 54,481,001 km (0.111 R)
• M31: 59,418,928 km (0.115 R)
• M32: 66,525,874 km (0.118 R)
• M33: 73,500,575 km (0.11 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 12,956 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit