🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.2

Radius: 14.8

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.63 AU - 0.67 AU

Year: 368 Days

Day: 10.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,472,887 km

• M1: 184,305 km (0.083 R)
• M2: 1,110,914 km (0.094 R)
• M3: 1,665,473 km (0.108 R)
• M4: 2,264,762 km (0.083 R)
• M5: 2,736,594 km (0.064 R)
• M6: 3,824,320 km (0.093 R)
• M7: 4,567,821 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699

Radius: 10.9

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.05 AU - 1.19 AU

Year: 833 Days

Day: 13 Hours

Environment

Temp: -174 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,472,887 km

• M1: 135,536 km (0.095 R)
• M2: 524,490 km (0.069 R)
• M3: 866,770 km (0.079 R)
• M4: 1,478,177 km (0.068 R)
• M5: 2,204,474 km (0.073 R)
• M6: 2,754,994 km (0.076 R)
• M7: 3,437,011 km (0.102 R)
• M8: 3,840,776 km (0.117 R)
• M9: 5,378,193 km (0.081 R)
• M10: 5,824,443 km (0.086 R)
• M11: 6,836,174 km (0.115 R)
• M12: 7,620,964 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.1

Radius: 14.8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.37 AU - 1.47 AU

Year: 1189 Days

Day: 8.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 110.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,472,887 km

• M1: 185,053 km (0.102 R)
• M2: 654,939 km (0.061 R)
• M3: 1,276,369 km (0.039 R)
• M4: 1,755,232 km (0.083 R)
• M5: 2,300,815 km (0.11 R)
• M6: 3,320,923 km (0.117 R)
• M7: 4,481,055 km (0.026 R)
• M8: 5,019,158 km (0.054 R)
• M9: 5,726,158 km (0.063 R)
• M10: 6,384,538 km (0.107 R)
• M11: 8,145,454 km (0.055 R)
• M12: 8,894,042 km (0.113 R)
• M13: 10,433,105 km (0.046 R)
• M14: 11,082,958 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.5

Radius: 13.4

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.77 AU - 2.27 AU

Year: 2018 Days

Day: 8.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,472,887 km

• M1: 170,691 km (0.113 R)
• M2: 1,177,036 km (0.108 R)
• M3: 2,394,164 km (0.061 R)
• M4: 3,134,674 km (0.066 R)
• M5: 3,822,226 km (0.065 R)
• M6: 4,816,154 km (0.108 R)
• M7: 5,878,448 km (0.079 R)
• M8: 6,634,666 km (0.089 R)
• M9: 10,647,479 km (0.088 R)
• M10: 11,733,559 km (0.045 R)
• M11: 13,563,141 km (0.088 R)
• M12: 15,343,206 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.5

Radius: 9.8

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.02 AU - 2.16 AU

Year: 2124 Days

Day: 11.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,472,887 km

• M1: 121,922 km (0.097 R)
• M2: 508,334 km (0.103 R)
• M3: 878,439 km (0.097 R)
• M4: 1,365,529 km (0.101 R)
• M5: 1,860,848 km (0.104 R)
• M6: 2,780,426 km (0.111 R)
• M7: 3,196,906 km (0.099 R)
• M8: 3,527,368 km (0.116 R)
• M9: 4,746,591 km (0.07 R)
• M10: 5,225,454 km (0.099 R)
• M11: 5,711,198 km (0.066 R)
• M12: 6,333,525 km (0.062 R)
• M13: 6,717,094 km (0.093 R)
• M14: 7,116,221 km (0.114 R)
• M15: 8,539,944 km (0.106 R)
• M16: 9,008,784 km (0.069 R)
• M17: 10,182,080 km (0.112 R)
• M18: 11,097,170 km (0.043 R)
• M19: 11,655,918 km (0.111 R)
• M20: 12,191,329 km (0.096 R)
• M21: 13,003,197 km (0.111 R)
• M22: 14,451,603 km (0.075 R)
• M23: 14,782,364 km (0.063 R)
• M24: 15,312,240 km (0.119 R)
• M25: 16,105,408 km (0.117 R)
• M26: 16,461,002 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.2

Radius: 12

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.23 AU - 2.79 AU

Year: 2795 Days

Day: 10.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 54.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,472,887 km

• M1: 149,299 km (0.052 R)
• M2: 555,906 km (0.088 R)
• M3: 1,382,135 km (0.108 R)
• M4: 1,781,262 km (0.054 R)
• M5: 2,774,143 km (0.066 R)
• M6: 3,474,560 km (0.119 R)
• M7: 4,145,507 km (0.035 R)
• M8: 5,300,103 km (0.074 R)
• M9: 6,352,973 km (0.032 R)
• M10: 7,267,913 km (0.076 R)
• M11: 8,074,246 km (0.109 R)
• M12: 8,836,297 km (0.049 R)
• M13: 10,162,333 km (0.086 R)
• M14: 10,775,235 km (0.116 R)
• M15: 11,575,883 km (0.115 R)
• M16: 12,032,905 km (0.116 R)
• M17: 12,501,894 km (0.11 R)
• M18: 13,161,172 km (0.098 R)
• M19: 14,789,844 km (0.106 R)
• M20: 16,341,174 km (0.081 R)
• M21: 16,758,552 km (0.114 R)
• M22: 17,998,269 km (0.086 R)
• M23: 18,499,721 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.2

Radius: 11.6

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.91 AU - 3.71 AU

Year: 4233 Days

Day: 5.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,472,887 km

• M1: 145,858 km (0.091 R)
• M2: 517,609 km (0.061 R)
• M3: 911,799 km (0.103 R)
• M4: 1,470,547 km (0.092 R)
• M5: 2,145,084 km (0.066 R)
• M6: 2,832,486 km (0.062 R)
• M7: 3,513,156 km (0.057 R)
• M8: 3,881,466 km (0.061 R)
• M9: 5,145,718 km (0.065 R)
• M10: 6,038,219 km (0.102 R)
• M11: 7,373,679 km (0.117 R)
• M12: 8,166,997 km (0.103 R)
• M13: 10,981,232 km (0.098 R)
• M14: 13,011,424 km (0.084 R)
• M15: 14,941,087 km (0.072 R)
• M16: 15,451,964 km (0.075 R)
• M17: 15,857,374 km (0.105 R)
• M18: 17,054,756 km (0.088 R)
• M19: 19,968,174 km (0.094 R)
• M20: 21,650,552 km (0.087 R)
• M21: 24,504,430 km (0.111 R)
• M22: 27,770,152 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.4

Radius: 10.2

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.88 AU - 4.14 AU

Year: 5644 Days

Day: 6 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,472,887 km

• M1: 126,859 km (0.111 R)
• M2: 511,475 km (0.086 R)
• M3: 1,066,034 km (0.034 R)
• M4: 1,518,418 km (0.052 R)
• M5: 2,347,490 km (0.11 R)
• M6: 3,045,214 km (0.105 R)
• M7: 3,369,243 km (0.089 R)
• M8: 3,784,078 km (0.077 R)
• M9: 4,111,398 km (0.052 R)
• M10: 6,043,305 km (0.047 R)
• M11: 6,725,322 km (0.066 R)
• M12: 7,102,608 km (0.078 R)
• M13: 7,750,666 km (0.061 R)
• M14: 9,801,652 km (0.107 R)
• M15: 10,197,937 km (0.074 R)
• M16: 11,355,376 km (0.116 R)
• M17: 12,962,057 km (0.08 R)
• M18: 19,640,555 km (0.045 R)
• M19: 21,945,409 km (0.102 R)
• M20: 22,777,622 km (0.093 R)
• M21: 23,474,150 km (0.063 R)
• M22: 24,747,377 km (0.087 R)
• M23: 26,150,007 km (0.083 R)
• M24: 28,131,132 km (0.112 R)
• M25: 28,574,689 km (0.111 R)
• M26: 31,050,983 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43

Radius: 3.1

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.25 AU - 6.85 AU

Year: 9191 Days

Day: 18.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,472,887 km

• M1: 47,423 km (0.103 R)
• M2: 499,806 km (0.085 R)
• M3: 605,572 km (0.118 R)
• M4: 948,750 km (0.088 R)
• M5: 1,389,016 km (0.11 R)
• M6: 1,845,290 km (0.103 R)
• M7: 2,257,881 km (0.052 R)
• M8: 2,394,314 km (0.101 R)
• M9: 3,691,627 km (0.117 R)
• M10: 4,950,642 km (0.08 R)
• M11: 5,275,419 km (0.074 R)
• M12: 5,614,109 km (0.056 R)
• M13: 6,415,654 km (0.108 R)
• M14: 8,797,552 km (0.055 R)
• M15: 9,135,643 km (0.104 R)
• M16: 10,313,128 km (0.067 R)
• M17: 11,191,118 km (0.086 R)
• M18: 12,706,245 km (0.109 R)
• M19: 14,122,338 km (0.032 R)
• M20: 14,399,094 km (0.11 R)
• M21: 14,726,564 km (0.12 R)
• M22: 15,787,961 km (0.034 R)
• M23: 17,211,085 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 879

Radius: 6.9

Gravity: 18.46 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.23 AU - 7.53 AU

Year: 14093 Days

Day: 18.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,472,887 km

• M1: 85,869 km (0.055 R)
• M2: 302,038 km (0.074 R)
• M3: 570,716 km (0.109 R)
• M4: 881,431 km (0.094 R)
• M5: 1,182,870 km (0.061 R)
• M6: 1,475,484 km (0.113 R)
• M7: 1,816,118 km (0.096 R)
• M8: 2,090,929 km (0.081 R)
• M9: 3,136,469 km (0.056 R)
• M10: 3,371,038 km (0.064 R)
• M11: 3,589,451 km (0.076 R)
• M12: 4,526,682 km (0.092 R)
• M13: 5,580,150 km (0.094 R)
• M14: 6,450,361 km (0.034 R)
• M15: 6,702,583 km (0.087 R)
• M16: 7,499,341 km (0.031 R)
• M17: 8,064,672 km (0.064 R)
• M18: 8,357,734 km (0.117 R)
• M19: 9,332,962 km (0.112 R)
• M20: 10,324,796 km (0.039 R)
• M21: 11,941,949 km (0.09 R)
• M22: 16,986,689 km (0.111 R)
• M23: 18,125,727 km (0.032 R)
• M24: 18,629,124 km (0.085 R)
• M25: 18,969,908 km (0.079 R)
• M26: 21,379,780 km (0.086 R)
• M27: 24,593,292 km (0.1 R)
• M28: 28,226,425 km (0.101 R)
• M29: 28,902,608 km (0.062 R)
• M30: 31,836,970 km (0.117 R)
• M31: 40,954,511 km (0.087 R)
• M32: 47,912,009 km (0.104 R)
• M33: 53,876,925 km (0.077 R)
• M34: 56,147,073 km (0.114 R)
• M35: 61,627,591 km (0.106 R)
• M36: 63,338,691 km (0.071 R)
• M37: 64,691,355 km (0.108 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 15,637 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit