🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.1

Radius: 12.2

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.71 AU - 0.77 AU

Year: 432 Days

Day: 14.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 68,285,596 km

• M1: 152,141 km (0.106 R)
• M2: 590,313 km (0.116 R)
• M3: 1,026,092 km (0.091 R)
• M4: 1,859,502 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.3

Radius: 11.1

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.52 AU - 1.92 AU

Year: 1530 Days

Day: 12.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,285,596 km

• M1: 138,228 km (0.081 R)
• M2: 544,686 km (0.114 R)
• M3: 1,735,036 km (0.105 R)
• M4: 2,212,253 km (0.091 R)
• M5: 3,870,845 km (0.083 R)
• M6: 4,378,430 km (0.104 R)
• M7: 5,669,161 km (0.069 R)
• M8: 6,194,549 km (0.119 R)
• M9: 7,270,457 km (0.092 R)
• M10: 8,071,553 km (0.089 R)
• M11: 9,126,218 km (0.038 R)
• M12: 9,497,520 km (0.093 R)
• M13: 9,908,615 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.3

Radius: 8.6

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.12 AU - 2.8 AU

Year: 2617 Days

Day: 11.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,285,596 km

• M1: 107,411 km (0.104 R)
• M2: 446,998 km (0.06 R)
• M3: 786,735 km (0.101 R)
• M4: 1,061,397 km (0.114 R)
• M5: 1,731,595 km (0.068 R)
• M6: 2,394,613 km (0.09 R)
• M7: 3,296,090 km (0.045 R)
• M8: 5,102,783 km (0.069 R)
• M9: 5,521,957 km (0.096 R)
• M10: 6,479,832 km (0.074 R)
• M11: 7,159,305 km (0.095 R)
• M12: 7,516,395 km (0.11 R)
• M13: 9,224,803 km (0.087 R)
• M14: 10,289,940 km (0.061 R)
• M15: 11,250,657 km (0.11 R)
• M16: 12,544,081 km (0.117 R)
• M17: 13,226,696 km (0.119 R)
• M18: 13,681,473 km (0.115 R)
• M19: 14,404,629 km (0.036 R)

Asteroid Belt

Center: 3.93 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.8

Radius: 8.4

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.62 AU - 6.16 AU

Year: 8487 Days

Day: 11 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,285,596 km

• M1: 104,868 km (0.112 R)
• M2: 697,425 km (0.117 R)
• M3: 1,352,365 km (0.118 R)
• M4: 1,713,943 km (0.085 R)
• M5: 2,278,525 km (0.083 R)
• M6: 3,225,180 km (0.077 R)
• M7: 4,847,719 km (0.103 R)
• M8: 5,247,145 km (0.1 R)
• M9: 5,870,220 km (0.083 R)
• M10: 6,432,260 km (0.063 R)
• M11: 7,461,643 km (0.071 R)
• M12: 7,952,922 km (0.08 R)
• M13: 8,292,360 km (0.063 R)
• M14: 8,641,222 km (0.069 R)
• M15: 8,909,451 km (0.112 R)
• M16: 12,863,921 km (0.104 R)
• M17: 13,214,130 km (0.083 R)
• M18: 13,751,186 km (0.098 R)
• M19: 17,284,089 km (0.082 R)
• M20: 17,998,718 km (0.051 R)
• M21: 18,733,094 km (0.078 R)
• M22: 20,104,907 km (0.113 R)
• M23: 21,055,900 km (0.107 R)
• M24: 21,953,637 km (0.107 R)
• M25: 24,710,576 km (0.111 R)
• M26: 27,981,085 km (0.11 R)
• M27: 33,137,724 km (0.113 R)
• M28: 33,906,806 km (0.117 R)
• M29: 39,749,800 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.5

Radius: 5.2

Gravity: 30.38 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.08 AU - 6.42 AU

Year: 9352 Days

Day: 22.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,285,596 km

• M1: 64,626 km (0.042 R)
• M2: 338,989 km (0.065 R)
• M3: 633,547 km (0.09 R)
• M4: 980,016 km (0.096 R)
• M5: 1,377,796 km (0.115 R)
• M6: 2,649,977 km (0.101 R)
• M7: 2,994,351 km (0.083 R)
• M8: 3,177,309 km (0.077 R)
• M9: 3,616,828 km (0.102 R)
• M10: 4,264,437 km (0.071 R)
• M11: 5,927,965 km (0.091 R)
• M12: 6,107,782 km (0.096 R)
• M13: 7,765,775 km (0.117 R)
• M14: 8,379,126 km (0.104 R)
• M15: 11,825,113 km (0.101 R)
• M16: 12,695,175 km (0.073 R)
• M17: 13,607,123 km (0.116 R)
• M18: 13,794,569 km (0.115 R)
• M19: 15,903,450 km (0.12 R)
• M20: 16,321,427 km (0.074 R)
• M21: 18,907,226 km (0.087 R)
• M22: 20,996,061 km (0.079 R)
• M23: 21,330,562 km (0.065 R)
• M24: 23,412,366 km (0.088 R)
• M25: 23,771,999 km (0.113 R)
• M26: 24,410,184 km (0.072 R)
• M27: 30,677,287 km (0.089 R)
• M28: 38,184,408 km (0.086 R)
• M29: 38,933,444 km (0.076 R)
• M30: 39,438,337 km (0.097 R)
• M31: 41,632,339 km (0.051 R)
• M32: 43,094,659 km (0.109 R)
• M33: 45,421,354 km (0.069 R)
• M34: 47,399,188 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.1

Radius: 4.3

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.03 AU - 7.71 AU

Year: 10904 Days

Day: 24 Hours

Environment

Temp: -222 °C

Axial Tilt: 94.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,285,596 km

• M1: 53,556 km (0.078 R)
• M2: 479,910 km (0.114 R)
• M3: 815,458 km (0.094 R)
• M4: 1,398,142 km (0.092 R)
• M5: 1,935,497 km (0.085 R)
• M6: 2,327,294 km (0.093 R)
• M7: 4,246,186 km (0.047 R)
• M8: 6,268,749 km (0.07 R)
• M9: 6,732,353 km (0.118 R)
• M10: 12,694,427 km (0.08 R)
• M11: 14,203,869 km (0.108 R)
• M12: 15,494,450 km (0.093 R)
• M13: 19,636,516 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.9

Radius: 3.4

Gravity: 75.42 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.83 AU - 7.65 AU

Year: 13213 Days

Day: 20.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,285,596 km

• M1: 42,336 km (0.071 R)
• M2: 182,809 km (0.098 R)
• M3: 388,954 km (0.117 R)
• M4: 1,030,729 km (0.092 R)
• M5: 1,192,445 km (0.033 R)
• M6: 1,342,192 km (0.028 R)
• M7: 1,729,950 km (0.119 R)
• M8: 2,309,043 km (0.119 R)
• M9: 2,745,271 km (0.063 R)
• M10: 2,862,555 km (0.088 R)
• M11: 3,365,055 km (0.065 R)
• M12: 3,693,422 km (0.119 R)
• M13: 4,103,021 km (0.118 R)
• M14: 5,223,060 km (0.068 R)
• M15: 5,403,325 km (0.097 R)
• M16: 5,550,530 km (0.085 R)
• M17: 8,481,152 km (0.086 R)
• M18: 9,507,094 km (0.107 R)
• M19: 10,385,383 km (0.028 R)
• M20: 12,175,172 km (0.09 R)
• M21: 14,511,143 km (0.071 R)
• M22: 17,607,520 km (0.049 R)
• M23: 20,935,773 km (0.048 R)
• M24: 22,320,002 km (0.062 R)
• M25: 27,698,644 km (0.1 R)
• M26: 28,246,771 km (0.07 R)
• M27: 29,591,356 km (0.104 R)
• M28: 30,164,017 km (0.113 R)
• M29: 31,449,661 km (0.115 R)
• M30: 31,806,602 km (0.098 R)
• M31: 35,654,109 km (0.096 R)
• M32: 37,890,298 km (0.105 R)
• M33: 43,516,525 km (0.036 R)
• M34: 45,155,968 km (0.08 R)
• M35: 52,625,539 km (0.086 R)
• M36: 55,172,144 km (0.114 R)
• M37: 60,326,239 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.3

Radius: 6.6

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.74 AU - 9.84 AU

Year: 16189 Days

Day: 18.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,285,596 km

• M1: 82,129 km (0.087 R)
• M2: 397,781 km (0.082 R)
• M3: 654,191 km (0.077 R)
• M4: 1,405,622 km (0.083 R)
• M5: 1,968,708 km (0.092 R)
• M6: 3,746,379 km (0.114 R)
• M7: 9,095,251 km (0.034 R)
• M8: 17,453,883 km (0.037 R)
• M9: 22,403,029 km (0.076 R)
• M10: 22,860,948 km (0.037 R)
• M11: 32,910,784 km (0.115 R)
• M12: 34,343,183 km (0.072 R)
• M13: 39,020,660 km (0.052 R)
• M14: 49,614,732 km (0.11 R)
• M15: 52,775,586 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.4

Radius: 7

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.83 AU - 11.93 AU

Year: 21063 Days

Day: 19.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 68,285,596 km

• M1: 89,759 km (0.063 R)
• M2: 341,083 km (0.077 R)
• M3: 674,537 km (0.092 R)
• M4: 1,632,861 km (0.093 R)
• M5: 1,928,466 km (0.067 R)
• M6: 2,449,815 km (0.117 R)
• M7: 3,858,877 km (0.039 R)
• M8: 4,386,658 km (0.097 R)
• M9: 5,509,241 km (0.101 R)
• M10: 6,137,402 km (0.071 R)
• M11: 7,349,893 km (0.052 R)
• M12: 9,027,633 km (0.111 R)
• M13: 9,621,088 km (0.063 R)
• M14: 11,310,197 km (0.117 R)
• M15: 11,745,826 km (0.079 R)
• M16: 12,128,049 km (0.087 R)
• M17: 14,598,059 km (0.096 R)
• M18: 16,577,688 km (0.098 R)
• M19: 19,076,571 km (0.029 R)
• M20: 20,052,547 km (0.106 R)
• M21: 20,690,582 km (0.041 R)
• M22: 23,379,006 km (0.04 R)
• M23: 24,496,053 km (0.052 R)
• M24: 25,861,582 km (0.112 R)
• M25: 26,945,868 km (0.074 R)
• M26: 28,628,694 km (0.108 R)
• M27: 30,024,592 km (0.088 R)
• M28: 30,380,485 km (0.114 R)
• M29: 31,465,219 km (0.036 R)
• M30: 32,575,385 km (0.106 R)
• M31: 34,743,507 km (0.095 R)
• M32: 36,330,591 km (0.084 R)
• M33: 40,943,292 km (0.056 R)
• M34: 44,226,217 km (0.077 R)
• M35: 45,462,195 km (0.078 R)
• M36: 48,327,143 km (0.102 R)
• M37: 50,804,783 km (0.077 R)
• M38: 52,846,794 km (0.11 R)
• M39: 56,731,701 km (0.036 R)
• M40: 59,486,845 km (0.098 R)
• M41: 60,613,467 km (0.104 R)
• M42: 61,945,785 km (0.107 R)
• M43: 62,522,784 km (0.066 R)
• M44: 66,863,367 km (0.113 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: 351 - 20,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit