🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.1

Radius: 11.2

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.58 AU - 0.92 AU

Year: 433 Days

Day: 12.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,236,434 km

• M1: 139,276 km (0.098 R)
• M2: 533,316 km (0.063 R)
• M3: 992,283 km (0.089 R)
• M4: 1,452,296 km (0.12 R)
• M5: 1,862,643 km (0.078 R)
• M6: 2,239,331 km (0.038 R)
• M7: 2,945,582 km (0.085 R)
• M8: 3,303,271 km (0.111 R)
• M9: 3,834,493 km (0.116 R)
• M10: 4,862,080 km (0.11 R)
• M11: 6,174,652 km (0.09 R)
• M12: 6,532,191 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.6

Radius: 13.4

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1 AU - 1.36 AU

Year: 855 Days

Day: 7.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,236,434 km

• M1: 167,101 km (0.114 R)
• M2: 644,617 km (0.045 R)
• M3: 1,185,114 km (0.067 R)
• M4: 1,650,962 km (0.083 R)
• M5: 2,128,179 km (0.118 R)
• M6: 2,686,179 km (0.101 R)
• M7: 3,124,651 km (0.109 R)
• M8: 3,567,760 km (0.096 R)
• M9: 4,345,070 km (0.108 R)
• M10: 4,828,122 km (0.073 R)
• M11: 5,404,672 km (0.099 R)
• M12: 7,225,428 km (0.11 R)
• M13: 8,007,226 km (0.066 R)
• M14: 9,653,401 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.8

Radius: 11

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.68 AU - 2.28 AU

Year: 1858 Days

Day: 12.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,236,434 km

• M1: 136,882 km (0.113 R)
• M2: 544,536 km (0.053 R)
• M3: 926,609 km (0.059 R)
• M4: 1,419,534 km (0.102 R)
• M5: 1,989,352 km (0.047 R)
• M6: 3,398,714 km (0.064 R)
• M7: 4,284,034 km (0.05 R)
• M8: 5,021,701 km (0.074 R)
• M9: 5,433,095 km (0.101 R)
• M10: 6,143,237 km (0.112 R)
• M11: 7,251,607 km (0.076 R)
• M12: 7,868,698 km (0.095 R)
• M13: 8,267,975 km (0.103 R)
• M14: 9,617,049 km (0.101 R)
• M15: 10,435,349 km (0.075 R)
• M16: 12,008,221 km (0.059 R)
• M17: 14,178,587 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.3

Radius: 10.2

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.22 AU - 2.76 AU

Year: 2620 Days

Day: 5.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,236,434 km

• M1: 142,567 km (0.118 R)
• M2: 570,417 km (0.111 R)
• M3: 955,332 km (0.118 R)
• M4: 1,535,173 km (0.079 R)
• M5: 1,992,045 km (0.09 R)
• M6: 2,854,926 km (0.069 R)
• M7: 3,621,764 km (0.098 R)
• M8: 4,121,272 km (0.104 R)
• M9: 4,520,399 km (0.108 R)
• M10: 5,704,765 km (0.081 R)
• M11: 6,024,605 km (0.085 R)
• M12: 6,700,489 km (0.08 R)
• M13: 7,029,155 km (0.118 R)
• M14: 7,571,597 km (0.064 R)
• M15: 8,421,612 km (0.093 R)
• M16: 8,935,182 km (0.103 R)
• M17: 10,060,606 km (0.087 R)
• M18: 10,419,641 km (0.12 R)
• M19: 11,470,716 km (0.118 R)
• M20: 11,823,169 km (0.054 R)
• M21: 12,182,802 km (0.11 R)
• M22: 14,724,619 km (0.086 R)
• M23: 15,376,118 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.2

Radius: 12.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.3 AU - 4.28 AU

Year: 4920 Days

Day: 9.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,236,434 km

• M1: 160,369 km (0.118 R)
• M2: 627,114 km (0.038 R)
• M3: 1,040,154 km (0.062 R)
• M4: 1,667,119 km (0.081 R)
• M5: 2,082,702 km (0.096 R)
• M6: 2,630,230 km (0.063 R)
• M7: 3,200,796 km (0.118 R)
• M8: 4,615,693 km (0.103 R)
• M9: 5,476,479 km (0.109 R)
• M10: 6,211,603 km (0.09 R)
• M11: 6,950,018 km (0.06 R)
• M12: 7,388,639 km (0.088 R)
• M13: 8,115,236 km (0.117 R)
• M14: 10,502,818 km (0.113 R)
• M15: 11,123,948 km (0.079 R)
• M16: 13,906,468 km (0.093 R)
• M17: 14,353,018 km (0.115 R)
• M18: 15,118,660 km (0.089 R)
• M19: 15,537,983 km (0.113 R)
• M20: 16,127,398 km (0.089 R)
• M21: 19,300,668 km (0.081 R)
• M22: 20,360,420 km (0.12 R)
• M23: 20,872,194 km (0.099 R)
• M24: 21,524,142 km (0.096 R)
• M25: 22,055,513 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.7

Radius: 9.3

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.42 AU - 5.44 AU

Year: 6218 Days

Day: 5.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 75,236,434 km

• M1: 118,930 km (0.08 R)
• M2: 464,950 km (0.077 R)
• M3: 918,232 km (0.099 R)
• M4: 1,517,072 km (0.076 R)
• M5: 2,013,288 km (0.028 R)
• M6: 3,186,285 km (0.04 R)
• M7: 3,545,918 km (0.093 R)
• M8: 5,150,655 km (0.082 R)
• M9: 6,209,060 km (0.06 R)
• M10: 6,704,677 km (0.093 R)
• M11: 7,370,089 km (0.088 R)
• M12: 7,963,992 km (0.064 R)
• M13: 8,669,945 km (0.098 R)
• M14: 11,326,504 km (0.112 R)
• M15: 12,945,153 km (0.055 R)
• M16: 13,535,466 km (0.108 R)
• M17: 14,483,019 km (0.093 R)
• M18: 15,060,766 km (0.101 R)
• M19: 15,834,635 km (0.12 R)
• M20: 17,268,531 km (0.082 R)
• M21: 17,656,438 km (0.047 R)
• M22: 18,050,030 km (0.11 R)
• M23: 20,392,583 km (0.12 R)
• M24: 24,844,167 km (0.096 R)
• M25: 26,775,625 km (0.106 R)
• M26: 27,295,627 km (0.075 R)
• M27: 28,986,383 km (0.026 R)
• M28: 30,935,194 km (0.092 R)
• M29: 32,477,548 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.4

Radius: 10.1

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.48 AU - 5.02 AU

Year: 6904 Days

Day: 9.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,236,434 km

• M1: 125,662 km (0.05 R)
• M2: 454,329 km (0.064 R)
• M3: 869,164 km (0.056 R)
• M4: 1,191,397 km (0.092 R)
• M5: 1,619,247 km (0.101 R)
• M6: 2,090,630 km (0.107 R)
• M7: 3,658,865 km (0.051 R)
• M8: 4,008,325 km (0.098 R)
• M9: 6,347,587 km (0.07 R)
• M10: 7,491,113 km (0.042 R)
• M11: 7,806,316 km (0.118 R)
• M12: 8,277,101 km (0.084 R)
• M13: 9,315,759 km (0.114 R)
• M14: 10,055,071 km (0.096 R)
• M15: 10,612,922 km (0.098 R)
• M16: 11,146,089 km (0.07 R)
• M17: 14,619,602 km (0.099 R)
• M18: 17,872,757 km (0.11 R)
• M19: 22,004,650 km (0.077 R)
• M20: 23,314,230 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.8

Radius: 5.3

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.12 AU - 8.74 AU

Year: 13506 Days

Day: 24.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,236,434 km

• M1: 66,122 km (0.067 R)
• M2: 258,804 km (0.07 R)
• M3: 489,783 km (0.09 R)
• M4: 661,671 km (0.099 R)
• M5: 1,428,660 km (0.107 R)
• M6: 2,630,080 km (0.084 R)
• M7: 3,288,311 km (0.097 R)
• M8: 3,784,527 km (0.093 R)
• M9: 3,969,579 km (0.105 R)
• M10: 7,400,307 km (0.074 R)
• M11: 12,068,808 km (0.09 R)
• M12: 12,239,948 km (0.054 R)
• M13: 14,745,264 km (0.118 R)
• M14: 15,072,434 km (0.086 R)
• M15: 17,066,275 km (0.095 R)
• M16: 18,843,946 km (0.079 R)
• M17: 19,698,599 km (0.113 R)
• M18: 20,336,185 km (0.071 R)
• M19: 25,282,489 km (0.081 R)
• M20: 28,081,914 km (0.095 R)
• M21: 28,382,755 km (0.095 R)
• M22: 28,888,994 km (0.092 R)
• M23: 29,711,484 km (0.084 R)
• M24: 32,602,762 km (0.069 R)
• M25: 32,824,017 km (0.098 R)
• M26: 33,046,319 km (0.098 R)
• M27: 36,622,456 km (0.111 R)
• M28: 37,222,344 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.1

Radius: 7.8

Gravity: 14.47 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.71 AU - 8.85 AU

Year: 17349 Days

Day: 15.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,236,434 km

• M1: 97,239 km (0.072 R)
• M2: 459,714 km (0.071 R)
• M3: 734,974 km (0.059 R)
• M4: 1,148,762 km (0.086 R)
• M5: 1,836,463 km (0.118 R)
• M6: 3,631,937 km (0.105 R)
• M7: 4,485,991 km (0.113 R)
• M8: 4,870,009 km (0.049 R)
• M9: 6,324,699 km (0.115 R)
• M10: 7,174,863 km (0.063 R)
• M11: 8,669,197 km (0.086 R)
• M12: 8,991,281 km (0.096 R)
• M13: 10,846,145 km (0.025 R)
• M14: 16,901,867 km (0.049 R)
• M15: 17,236,218 km (0.12 R)
• M16: 18,529,791 km (0.119 R)
• M17: 18,974,994 km (0.057 R)
• M18: 19,979,544 km (0.029 R)
• M19: 21,896,341 km (0.041 R)
• M20: 24,142,703 km (0.114 R)
• M21: 25,649,602 km (0.099 R)
• M22: 32,951,325 km (0.104 R)
• M23: 34,400,629 km (0.05 R)
• M24: 36,167,529 km (0.045 R)
• M25: 37,425,797 km (0.093 R)
• M26: 37,994,269 km (0.025 R)
• M27: 49,747,426 km (0.042 R)
• M28: 51,477,226 km (0.042 R)
• M29: 54,691,336 km (0.112 R)
• M30: 60,535,975 km (0.118 R)
• M31: 62,307,663 km (0.087 R)
• M32: 64,927,421 km (0.062 R)
• M33: 65,954,260 km (0.084 R)
• M34: 73,892,073 km (0.083 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 16,770 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit