🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.7

Radius: 13.1

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.7 AU - 0.7 AU

Year: 378 Days

Day: 9.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,745,546 km

• M1: 162,912 km (0.071 R)
• M2: 676,482 km (0.052 R)
• M3: 1,114,205 km (0.096 R)
• M4: 1,523,954 km (0.069 R)
• M5: 1,942,379 km (0.117 R)
• M6: 2,357,962 km (0.1 R)
• M7: 3,009,909 km (0.094 R)
• M8: 3,572,547 km (0.117 R)
• M9: 4,492,125 km (0.086 R)
• M10: 5,324,039 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.9

Radius: 14.3

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.6 AU - 0.96 AU

Year: 445 Days

Day: 11.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 86,745,546 km

• M1: 179,069 km (0.086 R)
• M2: 683,812 km (0.09 R)
• M3: 1,503,459 km (0.113 R)
• M4: 2,235,142 km (0.105 R)
• M5: 3,195,710 km (0.102 R)
• M6: 3,760,890 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.1

Radius: 11.1

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.92 AU - 1.38 AU

Year: 796 Days

Day: 6.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,745,546 km

• M1: 138,079 km (0.113 R)
• M2: 484,099 km (0.1 R)
• M3: 874,100 km (0.038 R)
• M4: 1,384,977 km (0.084 R)
• M5: 1,736,981 km (0.096 R)
• M6: 2,844,005 km (0.076 R)
• M7: 3,190,474 km (0.042 R)
• M8: 3,637,921 km (0.045 R)
• M9: 5,275,419 km (0.102 R)
• M10: 6,758,832 km (0.074 R)
• M11: 8,661,268 km (0.08 R)
• M12: 9,009,981 km (0.117 R)
• M13: 9,564,989 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.2

Radius: 13.1

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.41 AU - 1.55 AU

Year: 1163 Days

Day: 7.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 174 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,745,546 km

• M1: 162,912 km (0.084 R)
• M2: 901,626 km (0.049 R)
• M3: 1,843,345 km (0.057 R)
• M4: 2,296,776 km (0.115 R)
• M5: 2,812,889 km (0.043 R)
• M6: 3,239,991 km (0.032 R)
• M7: 3,695,965 km (0.101 R)
• M8: 5,622,337 km (0.076 R)
• M9: 6,546,852 km (0.105 R)
• M10: 6,976,347 km (0.118 R)
• M11: 7,497,247 km (0.056 R)
• M12: 8,913,939 km (0.105 R)
• M13: 9,585,484 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.6

Radius: 8.1

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.34 AU - 1.88 AU

Year: 1319 Days

Day: 7.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,745,546 km

• M1: 100,829 km (0.102 R)
• M2: 436,227 km (0.082 R)
• M3: 1,160,281 km (0.115 R)
• M4: 1,413,401 km (0.096 R)
• M5: 2,131,470 km (0.073 R)
• M6: 3,173,270 km (0.093 R)
• M7: 3,441,649 km (0.057 R)
• M8: 3,806,667 km (0.106 R)
• M9: 4,393,540 km (0.065 R)
• M10: 4,999,561 km (0.084 R)
• M11: 5,405,869 km (0.073 R)
• M12: 5,660,185 km (0.107 R)
• M13: 6,215,792 km (0.119 R)
• M14: 6,734,148 km (0.082 R)
• M15: 7,332,390 km (0.104 R)
• M16: 7,965,488 km (0.082 R)
• M17: 8,267,526 km (0.066 R)
• M18: 8,982,754 km (0.097 R)
• M19: 9,250,085 km (0.057 R)
• M20: 10,568,641 km (0.115 R)
• M21: 11,865,804 km (0.033 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591

Radius: 13.5

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.62 AU - 1.84 AU

Year: 1469 Days

Day: 12.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,745,546 km

• M1: 167,998 km (0.109 R)
• M2: 614,398 km (0.102 R)
• M3: 1,076,955 km (0.067 R)
• M4: 1,624,932 km (0.1 R)
• M5: 2,120,251 km (0.101 R)
• M6: 2,985,824 km (0.092 R)
• M7: 3,547,863 km (0.105 R)
• M8: 4,092,699 km (0.074 R)
• M9: 5,310,425 km (0.1 R)
• M10: 7,156,762 km (0.08 R)
• M11: 7,732,415 km (0.119 R)
• M12: 8,198,263 km (0.072 R)
• M13: 8,887,759 km (0.081 R)
• M14: 9,740,916 km (0.095 R)
• M15: 11,087,895 km (0.073 R)
• M16: 11,896,023 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.2

Radius: 13.4

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.13 AU - 2.27 AU

Year: 2107 Days

Day: 12.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,745,546 km

• M1: 167,101 km (0.118 R)
• M2: 706,850 km (0.055 R)
• M3: 1,300,305 km (0.095 R)
• M4: 1,799,662 km (0.065 R)
• M5: 2,467,916 km (0.106 R)
• M6: 3,038,482 km (0.116 R)
• M7: 4,069,511 km (0.085 R)
• M8: 4,677,327 km (0.055 R)
• M9: 5,825,042 km (0.06 R)
• M10: 7,039,477 km (0.08 R)
• M11: 7,736,903 km (0.097 R)
• M12: 9,101,534 km (0.108 R)
• M13: 12,677,672 km (0.031 R)
• M14: 14,203,570 km (0.068 R)
• M15: 16,391,139 km (0.067 R)
• M16: 17,253,870 km (0.091 R)

Asteroid Belt

Center: 2.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.3

Radius: 8.8

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.76 AU - 3.8 AU

Year: 4745 Days

Day: 14.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,745,546 km

• M1: 113,096 km (0.118 R)
• M2: 471,383 km (0.08 R)
• M3: 779,555 km (0.033 R)
• M4: 1,226,104 km (0.06 R)
• M5: 1,697,936 km (0.06 R)
• M6: 2,378,905 km (0.105 R)
• M7: 2,950,968 km (0.083 R)
• M8: 3,999,798 km (0.114 R)
• M9: 4,487,487 km (0.093 R)
• M10: 6,343,099 km (0.042 R)
• M11: 7,105,450 km (0.12 R)
• M12: 8,735,917 km (0.082 R)
• M13: 10,049,835 km (0.116 R)
• M14: 11,309,001 km (0.112 R)
• M15: 14,722,974 km (0.091 R)
• M16: 15,491,009 km (0.104 R)
• M17: 15,884,900 km (0.03 R)
• M18: 21,563,037 km (0.108 R)
• M19: 22,054,316 km (0.042 R)
• M20: 24,852,545 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.9

Radius: 8

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.25 AU - 10.61 AU

Year: 18697 Days

Day: 22.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,745,546 km

• M1: 100,081 km (0.116 R)
• M2: 349,161 km (0.05 R)
• M3: 625,917 km (0.053 R)
• M4: 1,148,463 km (0.112 R)
• M5: 1,625,530 km (0.115 R)
• M6: 3,415,918 km (0.097 R)
• M7: 8,348,608 km (0.057 R)
• M8: 17,520,155 km (0.079 R)
• M9: 22,255,974 km (0.085 R)
• M10: 23,089,085 km (0.113 R)
• M11: 23,655,911 km (0.04 R)
• M12: 30,744,158 km (0.117 R)
• M13: 40,476,845 km (0.091 R)
• M14: 44,854,827 km (0.082 R)
• M15: 57,762,730 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.7

Radius: 4.6

Gravity: 43.37 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 8.07 AU - 12.33 AU

Year: 21034 Days

Day: 24.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 86,745,546 km

• M1: 57,446 km (0.113 R)
• M2: 379,979 km (0.055 R)
• M3: 571,314 km (0.063 R)
• M4: 1,044,642 km (0.093 R)
• M5: 1,428,061 km (0.086 R)
• M6: 1,879,847 km (0.079 R)
• M7: 2,064,002 km (0.102 R)
• M8: 2,844,903 km (0.07 R)
• M9: 3,464,387 km (0.069 R)
• M10: 3,647,944 km (0.102 R)
• M11: 4,483,897 km (0.083 R)
• M12: 5,773,431 km (0.051 R)
• M13: 6,711,858 km (0.041 R)
• M14: 7,747,823 km (0.11 R)
• M15: 9,230,937 km (0.029 R)
• M16: 9,524,896 km (0.118 R)
• M17: 9,825,139 km (0.094 R)
• M18: 10,635,212 km (0.1 R)
• M19: 13,036,258 km (0.116 R)
• M20: 19,158,850 km (0.079 R)
• M21: 20,320,178 km (0.054 R)
• M22: 21,630,356 km (0.092 R)
• M23: 22,463,915 km (0.025 R)
• M24: 27,556,077 km (0.084 R)
• M25: 28,659,062 km (0.092 R)
• M26: 33,366,459 km (0.105 R)
• M27: 33,780,396 km (0.081 R)
• M28: 37,069,455 km (0.091 R)
• M29: 41,512,661 km (0.112 R)
• M30: 45,786,523 km (0.097 R)
• M31: 47,331,719 km (0.08 R)
• M32: 49,445,537 km (0.092 R)
• M33: 50,163,906 km (0.118 R)
• M34: 51,621,438 km (0.112 R)
• M35: 51,805,593 km (0.113 R)
• M36: 64,099,396 km (0.082 R)
• M37: 67,780,701 km (0.115 R)
• M38: 73,446,720 km (0.116 R)
• M39: 75,798,848 km (0.119 R)
• M40: 76,753,432 km (0.109 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 15,120 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit