🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.5

Radius: 10.6

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.84 AU - 1.14 AU

Year: 657 Days

Day: 9.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 64,102,982 km

• M1: 131,796 km (0.082 R)
• M2: 714,779 km (0.087 R)
• M3: 1,194,838 km (0.074 R)
• M4: 1,935,198 km (0.114 R)
• M5: 3,018,885 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.9

Radius: 9

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.85 AU - 1.17 AU

Year: 677 Days

Day: 10.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,102,982 km

• M1: 111,899 km (0.044 R)
• M2: 449,242 km (0.069 R)
• M3: 914,641 km (0.109 R)
• M4: 1,303,895 km (0.073 R)
• M5: 1,746,106 km (0.103 R)
• M6: 2,073,726 km (0.038 R)
• M7: 2,392,818 km (0.12 R)
• M8: 2,843,556 km (0.05 R)
• M9: 3,142,902 km (0.114 R)
• M10: 3,450,774 km (0.066 R)
• M11: 3,888,049 km (0.118 R)
• M12: 5,270,931 km (0.084 R)
• M13: 6,186,770 km (0.101 R)
• M14: 6,652,917 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.6

Radius: 11.5

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.51 AU - 1.71 AU

Year: 1362 Days

Day: 9.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,102,982 km

• M1: 143,016 km (0.116 R)
• M2: 501,003 km (0.098 R)
• M3: 865,274 km (0.103 R)
• M4: 1,225,356 km (0.091 R)
• M5: 1,727,855 km (0.099 R)
• M6: 2,221,678 km (0.086 R)
• M7: 2,963,983 km (0.118 R)
• M8: 4,076,093 km (0.101 R)
• M9: 4,797,604 km (0.075 R)
• M10: 5,317,456 km (0.091 R)
• M11: 5,897,597 km (0.108 R)
• M12: 6,348,036 km (0.034 R)
• M13: 7,185,036 km (0.072 R)
• M14: 8,238,355 km (0.04 R)
• M15: 12,054,596 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.9

Radius: 12.6

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.15 AU - 3.41 AU

Year: 3091 Days

Day: 11.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,102,982 km

• M1: 156,629 km (0.085 R)
• M2: 576,999 km (0.112 R)
• M3: 998,267 km (0.056 R)
• M4: 1,579,155 km (0.08 R)
• M5: 2,144,785 km (0.105 R)
• M6: 2,701,738 km (0.069 R)
• M7: 3,675,021 km (0.027 R)
• M8: 6,822,261 km (0.084 R)
• M9: 7,671,828 km (0.052 R)
• M10: 8,436,722 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.1

Radius: 8.9

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.35 AU - 3.91 AU

Year: 3693 Days

Day: 11.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,102,982 km

• M1: 115,041 km (0.091 R)
• M2: 501,602 km (0.089 R)
• M3: 787,633 km (0.119 R)
• M4: 1,107,473 km (0.094 R)
• M5: 1,440,627 km (0.095 R)
• M6: 1,754,933 km (0.116 R)
• M7: 2,088,087 km (0.088 R)
• M8: 2,849,391 km (0.107 R)
• M9: 3,465,285 km (0.065 R)
• M10: 3,888,348 km (0.101 R)
• M11: 5,367,721 km (0.054 R)
• M12: 6,512,594 km (0.111 R)
• M13: 6,907,532 km (0.068 R)
• M14: 7,513,553 km (0.076 R)
• M15: 8,119,873 km (0.059 R)
• M16: 8,941,614 km (0.119 R)
• M17: 9,391,904 km (0.099 R)
• M18: 10,055,520 km (0.104 R)
• M19: 12,234,563 km (0.093 R)
• M20: 15,074,977 km (0.042 R)
• M21: 15,605,451 km (0.09 R)
• M22: 16,480,300 km (0.057 R)
• M23: 17,736,024 km (0.088 R)
• M24: 19,363,051 km (0.115 R)
• M25: 20,244,631 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.8

Radius: 7.3

Gravity: 12.87 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.57 AU - 7.01 AU

Year: 11799 Days

Day: 18.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,102,982 km

• M1: 104,868 km (0.059 R)
• M2: 537,954 km (0.103 R)
• M3: 838,945 km (0.115 R)
• M4: 1,276,818 km (0.049 R)
• M5: 2,136,557 km (0.095 R)
• M6: 2,977,746 km (0.087 R)
• M7: 3,460,648 km (0.114 R)
• M8: 3,721,097 km (0.081 R)
• M9: 4,310,962 km (0.116 R)
• M10: 5,259,562 km (0.074 R)
• M11: 8,048,365 km (0.116 R)
• M12: 9,179,176 km (0.074 R)
• M13: 9,578,602 km (0.09 R)
• M14: 10,358,755 km (0.114 R)
• M15: 10,901,795 km (0.087 R)
• M16: 13,583,786 km (0.095 R)
• M17: 15,387,936 km (0.08 R)
• M18: 16,529,368 km (0.104 R)
• M19: 21,227,788 km (0.074 R)
• M20: 21,750,334 km (0.092 R)
• M21: 23,094,321 km (0.111 R)
• M22: 26,145,070 km (0.101 R)
• M23: 28,286,863 km (0.069 R)
• M24: 30,653,352 km (0.103 R)
• M25: 32,800,530 km (0.102 R)
• M26: 33,734,021 km (0.066 R)
• M27: 34,326,279 km (0.087 R)
• M28: 35,288,343 km (0.085 R)
• M29: 40,769,459 km (0.114 R)
• M30: 41,171,877 km (0.091 R)
• M31: 50,090,902 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.9

Radius: 5.4

Gravity: 27.95 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.43 AU - 8.57 AU

Year: 15089 Days

Day: 23.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,102,982 km

• M1: 67,169 km (0.098 R)
• M2: 262,395 km (0.12 R)
• M3: 807,380 km (0.098 R)
• M4: 1,226,852 km (0.081 R)
• M5: 1,410,409 km (0.115 R)
• M6: 1,596,060 km (0.071 R)
• M7: 2,337,467 km (0.102 R)
• M8: 2,832,037 km (0.08 R)
• M9: 3,155,468 km (0.099 R)
• M10: 3,503,283 km (0.119 R)
• M11: 3,996,208 km (0.049 R)
• M12: 4,534,162 km (0.112 R)
• M13: 6,231,051 km (0.114 R)
• M14: 7,130,732 km (0.065 R)
• M15: 8,065,270 km (0.116 R)
• M16: 13,361,932 km (0.075 R)
• M17: 15,593,484 km (0.086 R)
• M18: 19,170,070 km (0.07 R)
• M19: 19,432,165 km (0.069 R)
• M20: 21,994,777 km (0.069 R)
• M21: 24,159,757 km (0.099 R)
• M22: 27,890,279 km (0.091 R)
• M23: 28,226,874 km (0.106 R)
• M24: 29,716,719 km (0.114 R)
• M25: 30,778,266 km (0.091 R)
• M26: 31,743,023 km (0.069 R)
• M27: 32,977,055 km (0.029 R)
• M28: 34,628,466 km (0.119 R)
• M29: 42,080,535 km (0.048 R)
• M30: 53,584,162 km (0.1 R)
• M31: 64,246,601 km (0.056 R)
• M32: 66,616,081 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630

Radius: 5.9

Gravity: 18.1 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 9.64 AU - 10.92 AU

Year: 21980 Days

Day: 21.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 64,102,982 km

• M1: 73,453 km (0.07 R)
• M2: 473,926 km (0.108 R)
• M3: 712,684 km (0.08 R)
• M4: 1,333,216 km (0.071 R)
• M5: 1,801,607 km (0.071 R)
• M6: 2,220,332 km (0.039 R)
• M7: 2,902,647 km (0.098 R)
• M8: 4,496,463 km (0.057 R)
• M9: 5,781,958 km (0.102 R)
• M10: 6,074,422 km (0.1 R)
• M11: 7,247,418 km (0.032 R)
• M12: 11,206,975 km (0.044 R)
• M13: 11,927,289 km (0.088 R)
• M14: 12,470,030 km (0.087 R)
• M15: 13,100,286 km (0.114 R)
• M16: 16,740,600 km (0.088 R)
• M17: 21,297,202 km (0.098 R)
• M18: 22,196,584 km (0.119 R)
• M19: 23,857,868 km (0.113 R)
• M20: 25,711,685 km (0.075 R)
• M21: 27,895,066 km (0.12 R)
• M22: 29,092,448 km (0.044 R)
• M23: 31,078,808 km (0.07 R)
• M24: 31,461,031 km (0.063 R)
• M25: 34,769,388 km (0.096 R)
• M26: 35,457,687 km (0.038 R)
• M27: 36,014,939 km (0.114 R)
• M28: 36,578,026 km (0.058 R)
• M29: 37,577,489 km (0.119 R)
• M30: 40,989,368 km (0.103 R)
• M31: 42,067,370 km (0.103 R)
• M32: 45,414,772 km (0.115 R)
• M33: 51,915,547 km (0.061 R)
• M34: 59,792,025 km (0.077 R)
• M35: 60,779,520 km (0.087 R)
• M36: 60,978,336 km (0.117 R)
• M37: 74,625,402 km (0.115 R)
• M38: 77,625,587 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.3

Radius: 7.4

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 9.98 AU - 11.36 AU

Year: 23242 Days

Day: 17.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,102,982 km

• M1: 92,003 km (0.089 R)
• M2: 364,121 km (0.061 R)
• M3: 1,128,566 km (0.112 R)
• M4: 1,685,669 km (0.048 R)
• M5: 3,103,408 km (0.036 R)
• M6: 3,889,096 km (0.106 R)
• M7: 4,312,907 km (0.082 R)
• M8: 4,634,093 km (0.112 R)
• M9: 5,075,557 km (0.116 R)
• M10: 5,619,494 km (0.112 R)
• M11: 6,081,901 km (0.063 R)
• M12: 7,394,623 km (0.084 R)
• M13: 7,808,859 km (0.111 R)
• M14: 10,059,858 km (0.119 R)
• M15: 10,568,491 km (0.105 R)
• M16: 11,454,260 km (0.107 R)
• M17: 11,698,553 km (0.079 R)
• M18: 13,372,703 km (0.069 R)
• M19: 14,266,999 km (0.083 R)
• M20: 14,836,668 km (0.057 R)
• M21: 18,916,352 km (0.105 R)
• M22: 26,030,777 km (0.1 R)
• M23: 27,313,280 km (0.102 R)
• M24: 32,498,342 km (0.116 R)
• M25: 33,359,727 km (0.096 R)
• M26: 34,871,712 km (0.072 R)
• M27: 39,960,284 km (0.064 R)
• M28: 41,377,275 km (0.109 R)
• M29: 46,600,634 km (0.093 R)
• M30: 48,647,582 km (0.1 R)
• M31: 51,912,556 km (0.03 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: 506 - 15,092 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit