🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.1

Radius: 12.4

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.15 AU - 1.81 AU

Year: 1201 Days

Day: 13.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,120,068 km

• M1: 154,535 km (0.106 R)
• M2: 546,481 km (0.102 R)
• M3: 940,223 km (0.079 R)
• M4: 1,398,441 km (0.099 R)
• M5: 1,811,331 km (0.088 R)
• M6: 2,329,089 km (0.103 R)
• M7: 3,220,543 km (0.081 R)
• M8: 3,938,613 km (0.034 R)
• M9: 4,344,921 km (0.106 R)
• M10: 5,046,086 km (0.102 R)
• M11: 5,651,957 km (0.086 R)
• M12: 6,488,508 km (0.06 R)
• M13: 6,960,939 km (0.064 R)
• M14: 8,298,194 km (0.064 R)
• M15: 10,077,361 km (0.04 R)
• M16: 11,073,234 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923

Radius: 14.5

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.39 AU - 2.03 AU

Year: 1491 Days

Day: 9.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,120,068 km

• M1: 181,013 km (0.111 R)
• M2: 889,659 km (0.07 R)
• M3: 1,458,878 km (0.077 R)
• M4: 2,296,327 km (0.114 R)
• M5: 3,404,997 km (0.1 R)
• M6: 4,275,507 km (0.115 R)
• M7: 5,511,186 km (0.112 R)
• M8: 6,115,860 km (0.086 R)
• M9: 6,738,935 km (0.036 R)
• M10: 7,294,691 km (0.095 R)
• M11: 8,529,023 km (0.094 R)
• M12: 9,931,952 km (0.106 R)
• M13: 11,782,627 km (0.058 R)
• M14: 14,580,706 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.7

Radius: 13.7

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.91 AU - 1.97 AU

Year: 1802 Days

Day: 13.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,120,068 km

• M1: 170,542 km (0.04 R)
• M2: 607,816 km (0.074 R)
• M3: 1,044,792 km (0.116 R)
• M4: 1,763,908 km (0.098 R)
• M5: 2,993,753 km (0.117 R)
• M6: 4,014,160 km (0.084 R)
• M7: 4,546,429 km (0.1 R)
• M8: 5,714,489 km (0.058 R)
• M9: 6,649,326 km (0.092 R)
• M10: 8,691,038 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.5

Radius: 10.6

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.88 AU - 3.46 AU

Year: 3764 Days

Day: 10.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 91 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,120,068 km

• M1: 131,796 km (0.115 R)
• M2: 628,909 km (0.116 R)
• M3: 1,173,147 km (0.118 R)
• M4: 1,697,637 km (0.067 R)
• M5: 2,273,439 km (0.092 R)
• M6: 2,631,427 km (0.076 R)
• M7: 4,108,107 km (0.095 R)
• M8: 5,612,763 km (0.09 R)
• M9: 5,964,168 km (0.119 R)
• M10: 6,504,366 km (0.067 R)
• M11: 8,254,063 km (0.114 R)
• M12: 8,925,607 km (0.097 R)
• M13: 9,481,214 km (0.066 R)
• M14: 9,981,320 km (0.035 R)
• M15: 10,909,275 km (0.083 R)
• M16: 12,658,523 km (0.049 R)
• M17: 13,123,473 km (0.113 R)
• M18: 15,047,152 km (0.074 R)
• M19: 16,049,308 km (0.092 R)
• M20: 17,721,663 km (0.07 R)
• M21: 18,245,256 km (0.094 R)
• M22: 19,815,884 km (0.119 R)
• M23: 20,634,334 km (0.025 R)
• M24: 22,338,253 km (0.119 R)
• M25: 23,018,026 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.2

Radius: 11.5

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.01 AU - 4.73 AU

Year: 6092 Days

Day: 7.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,120,068 km

• M1: 143,165 km (0.119 R)
• M2: 837,598 km (0.065 R)
• M3: 1,273,078 km (0.116 R)
• M4: 1,738,477 km (0.118 R)
• M5: 2,160,941 km (0.082 R)
• M6: 2,608,388 km (0.081 R)
• M7: 3,655,723 km (0.116 R)
• M8: 4,114,091 km (0.11 R)
• M9: 5,101,138 km (0.098 R)
• M10: 5,876,204 km (0.109 R)
• M11: 7,783,128 km (0.119 R)
• M12: 9,046,931 km (0.119 R)
• M13: 10,518,077 km (0.105 R)
• M14: 10,900,000 km (0.027 R)
• M15: 11,490,164 km (0.05 R)
• M16: 12,563,678 km (0.096 R)
• M17: 13,168,801 km (0.115 R)
• M18: 15,785,418 km (0.038 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.2

Radius: 5.4

Gravity: 24.97 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.6 AU - 7.32 AU

Year: 9703 Days

Day: 17.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,120,068 km

• M1: 70,161 km (0.105 R)
• M2: 242,049 km (0.094 R)
• M3: 1,259,165 km (0.091 R)
• M4: 2,778,182 km (0.104 R)
• M5: 3,639,866 km (0.089 R)
• M6: 5,198,376 km (0.055 R)
• M7: 5,700,128 km (0.097 R)
• M8: 7,564,566 km (0.116 R)
• M9: 8,296,548 km (0.119 R)
• M10: 10,305,947 km (0.044 R)
• M11: 11,149,978 km (0.115 R)
• M12: 15,121,802 km (0.079 R)
• M13: 16,560,035 km (0.077 R)
• M14: 16,843,972 km (0.096 R)
• M15: 18,464,117 km (0.068 R)
• M16: 20,024,573 km (0.033 R)
• M17: 20,590,950 km (0.055 R)
• M18: 24,124,452 km (0.092 R)
• M19: 27,147,974 km (0.069 R)
• M20: 28,750,317 km (0.059 R)
• M21: 31,486,911 km (0.113 R)
• M22: 32,252,403 km (0.066 R)
• M23: 32,473,359 km (0.115 R)
• M24: 36,505,321 km (0.118 R)
• M25: 37,107,303 km (0.029 R)
• M26: 45,684,497 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.8

Radius: 5.6

Gravity: 16.58 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.36 AU - 8.58 AU

Year: 13615 Days

Day: 22.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 99.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,120,068 km

• M1: 82,428 km (0.11 R)
• M2: 387,758 km (0.068 R)
• M3: 948,600 km (0.098 R)
• M4: 1,272,479 km (0.12 R)
• M5: 1,827,188 km (0.087 R)
• M6: 2,310,689 km (0.093 R)
• M7: 2,898,160 km (0.118 R)
• M8: 3,154,421 km (0.037 R)
• M9: 5,290,379 km (0.08 R)
• M10: 6,150,866 km (0.095 R)
• M11: 9,388,463 km (0.092 R)
• M12: 9,641,284 km (0.087 R)
• M13: 9,950,502 km (0.077 R)
• M14: 10,213,346 km (0.095 R)
• M15: 18,545,798 km (0.084 R)
• M16: 23,521,872 km (0.106 R)
• M17: 25,522,893 km (0.092 R)
• M18: 26,816,914 km (0.114 R)
• M19: 28,574,240 km (0.06 R)
• M20: 37,627,305 km (0.086 R)
• M21: 37,881,622 km (0.06 R)
• M22: 39,825,796 km (0.112 R)
• M23: 47,820,755 km (0.109 R)
• M24: 48,418,996 km (0.11 R)
• M25: 51,484,556 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.5

Radius: 4.7

Gravity: 28.09 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.04 AU - 9.58 AU

Year: 17438 Days

Day: 16 Hours

Environment

Temp: -244 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 40,120,068 km

• M1: 58,493 km (0.097 R)
• M2: 223,649 km (0.066 R)
• M3: 483,500 km (0.072 R)
• M4: 645,365 km (0.064 R)
• M5: 864,676 km (0.096 R)
• M6: 1,409,362 km (0.069 R)
• M7: 1,695,692 km (0.083 R)
• M8: 1,925,923 km (0.081 R)
• M9: 2,493,049 km (0.076 R)
• M10: 3,138,713 km (0.089 R)
• M11: 3,486,528 km (0.075 R)
• M12: 4,040,638 km (0.107 R)
• M13: 4,452,332 km (0.113 R)
• M14: 4,753,323 km (0.079 R)
• M15: 6,808,349 km (0.085 R)
• M16: 6,983,977 km (0.114 R)
• M17: 7,575,935 km (0.058 R)
• M18: 9,228,244 km (0.079 R)
• M19: 9,662,227 km (0.026 R)
• M20: 10,223,668 km (0.089 R)
• M21: 10,396,304 km (0.092 R)
• M22: 10,688,319 km (0.078 R)
• M23: 11,349,990 km (0.111 R)
• M24: 18,665,476 km (0.105 R)
• M25: 21,167,201 km (0.099 R)
• M26: 23,382,297 km (0.117 R)
• M27: 23,782,770 km (0.054 R)
• M28: 23,984,578 km (0.102 R)
• M29: 37,481,148 km (0.109 R)
• M30: 40,851,439 km (0.104 R)
• M31: 44,724,527 km (0.101 R)
• M32: 48,510,550 km (0.108 R)
• M33: 50,647,855 km (0.072 R)
• M34: 51,824,293 km (0.063 R)
• M35: 54,057,191 km (0.09 R)
• M36: 55,109,163 km (0.091 R)
• M37: 58,713,873 km (0.107 R)
• M38: 59,825,236 km (0.039 R)
• M39: 60,198,782 km (0.088 R)
• M40: 64,606,982 km (0.104 R)
• M41: 65,000,125 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.2

Radius: 4

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.17 AU - 10.49 AU

Year: 17497 Days

Day: 18.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,120,068 km

• M1: 53,406 km (0.081 R)
• M2: 295,306 km (0.113 R)
• M3: 431,590 km (0.115 R)
• M4: 987,196 km (0.046 R)
• M5: 2,408,376 km (0.067 R)
• M6: 12,593,598 km (0.119 R)
• M7: 21,423,761 km (0.116 R)
• M8: 33,651,143 km (0.054 R)
• M9: 35,834,824 km (0.092 R)
• M10: 37,533,208 km (0.102 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 10,583 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit