🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.53 AU - 0.53 AU

Year: 253 Days

Day: 28.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.6

Radius: 8.4

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.58 AU - 0.96 AU

Year: 443 Days

Day: 6.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,362,244 km

• M1: 104,419 km (0.104 R)
• M2: 429,795 km (0.106 R)
• M3: 713,432 km (0.082 R)
• M4: 1,016,218 km (0.029 R)
• M5: 1,299,856 km (0.105 R)
• M6: 1,601,146 km (0.083 R)
• M7: 1,965,716 km (0.076 R)
• M8: 2,422,588 km (0.105 R)
• M9: 3,204,686 km (0.077 R)
• M10: 3,852,295 km (0.046 R)
• M11: 4,118,280 km (0.064 R)
• M12: 4,453,828 km (0.069 R)
• M13: 4,792,368 km (0.114 R)
• M14: 5,147,962 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.3

Radius: 10.5

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.75 AU - 0.81 AU

Year: 452 Days

Day: 8.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,362,244 km

• M1: 130,599 km (0.082 R)
• M2: 488,587 km (0.105 R)
• M3: 1,114,953 km (0.119 R)
• M4: 1,505,254 km (0.089 R)
• M5: 1,938,489 km (0.042 R)
• M6: 2,342,403 km (0.056 R)
• M7: 2,781,623 km (0.07 R)
• M8: 3,138,264 km (0.119 R)
• M9: 3,489,071 km (0.089 R)
• M10: 4,326,221 km (0.112 R)
• M11: 4,853,254 km (0.109 R)
• M12: 5,260,011 km (0.111 R)
• M13: 5,757,723 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.8

Radius: 8.3

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.21 AU - 1.25 AU

Year: 895 Days

Day: 10.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 175.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,362,244 km

• M1: 103,223 km (0.053 R)
• M2: 381,624 km (0.086 R)
• M3: 766,390 km (0.117 R)
• M4: 1,149,660 km (0.12 R)
• M5: 1,589,029 km (0.095 R)
• M6: 1,934,749 km (0.068 R)
• M7: 2,308,445 km (0.095 R)
• M8: 2,754,546 km (0.09 R)
• M9: 3,242,983 km (0.106 R)
• M10: 3,605,009 km (0.111 R)
• M11: 4,074,747 km (0.078 R)
• M12: 4,709,790 km (0.086 R)
• M13: 5,004,198 km (0.073 R)
• M14: 5,389,413 km (0.116 R)
• M15: 6,350,878 km (0.042 R)
• M16: 7,520,883 km (0.073 R)
• M17: 8,262,141 km (0.097 R)
• M18: 8,528,874 km (0.092 R)
• M19: 9,277,462 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.9

Radius: 14.8

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.09 AU - 1.37 AU

Year: 895 Days

Day: 12.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,362,244 km

• M1: 184,305 km (0.097 R)
• M2: 706,700 km (0.044 R)
• M3: 1,320,201 km (0.106 R)
• M4: 1,783,805 km (0.097 R)
• M5: 2,516,535 km (0.108 R)
• M6: 3,145,295 km (0.044 R)
• M7: 4,116,335 km (0.12 R)
• M8: 4,623,173 km (0.09 R)
• M9: 5,333,762 km (0.06 R)
• M10: 5,899,242 km (0.105 R)
• M11: 7,330,894 km (0.106 R)
• M12: 8,031,910 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.2

Radius: 13.8

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.99 AU - 5.37 AU

Year: 7734 Days

Day: 8.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,362,244 km

• M1: 172,786 km (0.076 R)
• M2: 707,598 km (0.09 R)
• M3: 1,152,502 km (0.037 R)
• M4: 5,129,561 km (0.11 R)
• M5: 6,028,046 km (0.111 R)
• M6: 11,495,400 km (0.118 R)
• M7: 12,168,440 km (0.071 R)
• M8: 15,005,265 km (0.042 R)
• M9: 16,190,678 km (0.037 R)
• M10: 18,396,499 km (0.063 R)
• M11: 21,330,712 km (0.055 R)
• M12: 24,395,074 km (0.046 R)
• M13: 25,681,766 km (0.116 R)
• M14: 26,297,510 km (0.082 R)
• M15: 27,194,200 km (0.059 R)
• M16: 31,483,769 km (0.063 R)
• M17: 33,841,432 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.7

Radius: 5.3

Gravity: 11.95 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.79 AU - 8.55 AU

Year: 15319 Days

Day: 21.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,362,244 km

• M1: 65,973 km (0.09 R)
• M2: 353,500 km (0.111 R)
• M3: 622,178 km (0.09 R)
• M4: 803,490 km (0.082 R)
• M5: 1,143,526 km (0.111 R)
• M6: 4,947,800 km (0.11 R)
• M7: 5,752,487 km (0.111 R)
• M8: 8,826,723 km (0.098 R)
• M9: 9,208,347 km (0.115 R)
• M10: 9,452,341 km (0.069 R)
• M11: 18,630,470 km (0.095 R)
• M12: 21,056,050 km (0.12 R)
• M13: 23,412,216 km (0.098 R)
• M14: 25,076,941 km (0.066 R)
• M15: 25,745,046 km (0.071 R)
• M16: 30,542,200 km (0.095 R)
• M17: 33,321,280 km (0.088 R)
• M18: 33,780,994 km (0.098 R)
• M19: 36,506,967 km (0.065 R)
• M20: 38,487,493 km (0.084 R)
• M21: 43,887,228 km (0.106 R)
• M22: 45,699,307 km (0.12 R)
• M23: 46,409,448 km (0.05 R)
• M24: 49,920,361 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 863.6

Radius: 4.4

Gravity: 44.61 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.51 AU - 10.73 AU

Year: 19574 Days

Day: 24.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,362,244 km

• M1: 55,950 km (0.054 R)
• M2: 209,138 km (0.056 R)
• M3: 386,411 km (0.085 R)
• M4: 664,364 km (0.096 R)
• M5: 893,548 km (0.067 R)
• M6: 1,335,161 km (0.11 R)
• M7: 2,284,958 km (0.088 R)
• M8: 2,683,187 km (0.092 R)
• M9: 3,209,174 km (0.112 R)
• M10: 3,738,900 km (0.087 R)
• M11: 4,057,244 km (0.045 R)
• M12: 4,857,892 km (0.102 R)
• M13: 5,198,077 km (0.109 R)
• M14: 5,594,512 km (0.093 R)
• M15: 6,096,712 km (0.081 R)
• M16: 6,765,713 km (0.084 R)
• M17: 6,952,112 km (0.091 R)
• M18: 7,884,855 km (0.101 R)
• M19: 8,091,300 km (0.075 R)
• M20: 8,953,582 km (0.102 R)
• M21: 9,994,933 km (0.101 R)
• M22: 18,614,912 km (0.092 R)
• M23: 18,981,277 km (0.113 R)
• M24: 21,181,413 km (0.099 R)
• M25: 25,966,450 km (0.053 R)
• M26: 27,002,864 km (0.073 R)
• M27: 27,236,836 km (0.119 R)
• M28: 31,167,071 km (0.094 R)
• M29: 35,599,057 km (0.037 R)
• M30: 37,454,370 km (0.111 R)
• M31: 41,511,764 km (0.065 R)
• M32: 42,609,662 km (0.085 R)
• M33: 47,194,538 km (0.084 R)
• M34: 54,485,040 km (0.087 R)
• M35: 57,522,326 km (0.119 R)
• M36: 66,240,292 km (0.078 R)
• M37: 69,696,601 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.9

Radius: 5.7

Gravity: 16.8 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.82 AU - 11.98 AU

Year: 20434 Days

Day: 18.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 87,362,244 km

• M1: 75,098 km (0.095 R)
• M2: 254,765 km (0.073 R)
• M3: 447,447 km (0.057 R)
• M4: 791,373 km (0.053 R)
• M5: 1,187,957 km (0.082 R)
• M6: 1,447,060 km (0.096 R)
• M7: 2,180,090 km (0.106 R)
• M8: 2,710,713 km (0.094 R)
• M9: 3,406,344 km (0.086 R)
• M10: 3,840,925 km (0.106 R)
• M11: 4,715,325 km (0.066 R)
• M12: 5,329,723 km (0.068 R)
• M13: 6,760,777 km (0.111 R)
• M14: 7,212,712 km (0.085 R)
• M15: 7,732,714 km (0.056 R)
• M16: 9,554,218 km (0.114 R)
• M17: 11,516,792 km (0.102 R)
• M18: 13,240,908 km (0.114 R)
• M19: 15,902,254 km (0.064 R)
• M20: 16,138,917 km (0.11 R)
• M21: 18,724,118 km (0.096 R)
• M22: 21,669,252 km (0.118 R)
• M23: 26,202,665 km (0.117 R)
• M24: 26,866,132 km (0.076 R)
• M25: 31,206,714 km (0.079 R)
• M26: 36,264,020 km (0.114 R)
• M27: 40,801,024 km (0.09 R)
• M28: 41,991,524 km (0.057 R)
• M29: 46,180,713 km (0.086 R)
• M30: 50,981,309 km (0.105 R)
• M31: 54,479,057 km (0.09 R)
• M32: 66,946,693 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732

Radius: 7.8

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 9.31 AU - 12.61 AU

Year: 23803 Days

Day: 23.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 87,362,244 km

• M1: 96,939 km (0.049 R)
• M2: 368,609 km (0.091 R)
• M3: 686,205 km (0.117 R)
• M4: 940,372 km (0.045 R)
• M5: 1,814,622 km (0.088 R)
• M6: 2,074,922 km (0.105 R)
• M7: 2,524,614 km (0.031 R)
• M8: 2,772,946 km (0.107 R)
• M9: 3,176,412 km (0.072 R)
• M10: 3,466,631 km (0.105 R)
• M11: 4,589,363 km (0.085 R)
• M12: 4,961,413 km (0.1 R)
• M13: 6,843,355 km (0.098 R)
• M14: 9,687,659 km (0.102 R)
• M15: 10,238,478 km (0.093 R)
• M16: 11,947,335 km (0.108 R)
• M17: 12,367,256 km (0.106 R)
• M18: 12,869,456 km (0.103 R)
• M19: 14,379,497 km (0.078 R)
• M20: 14,695,148 km (0.057 R)
• M21: 15,096,071 km (0.091 R)
• M22: 15,340,214 km (0.061 R)
• M23: 16,514,408 km (0.061 R)
• M24: 17,747,394 km (0.057 R)
• M25: 18,758,376 km (0.111 R)
• M26: 20,594,241 km (0.107 R)
• M27: 21,607,168 km (0.07 R)
• M28: 24,731,969 km (0.058 R)
• M29: 29,140,020 km (0.102 R)
• M30: 29,773,118 km (0.037 R)
• M31: 34,746,948 km (0.088 R)
• M32: 35,315,869 km (0.103 R)
• M33: 39,012,432 km (0.117 R)
• M34: 42,149,350 km (0.05 R)
• M35: 43,449,804 km (0.108 R)
• M36: 45,789,664 km (0.104 R)
• M37: 46,130,598 km (0.08 R)
• M38: 57,363,453 km (0.097 R)
• M39: 62,449,482 km (0.092 R)
• M40: 81,728,458 km (0.117 R)
• M41: 81,979,184 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 19,620 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit