🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.5

Radius: 9.8

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.78 AU - 0.94 AU

Year: 541 Days

Day: 13 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,712,016 km

• M1: 121,922 km (0.056 R)
• M2: 431,440 km (0.106 R)
• M3: 1,371,214 km (0.095 R)
• M4: 1,704,369 km (0.104 R)
• M5: 2,275,982 km (0.082 R)
• M6: 3,245,526 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.5

Radius: 13.1

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.93 AU - 1.27 AU

Year: 782 Days

Day: 11.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,712,016 km

• M1: 162,912 km (0.084 R)
• M2: 713,881 km (0.12 R)
• M3: 1,123,929 km (0.119 R)
• M4: 1,578,557 km (0.078 R)
• M5: 2,013,438 km (0.119 R)
• M6: 2,478,238 km (0.092 R)
• M7: 2,933,465 km (0.11 R)
• M8: 4,160,766 km (0.051 R)
• M9: 4,728,789 km (0.048 R)
• M10: 5,175,787 km (0.078 R)
• M11: 5,797,217 km (0.073 R)
• M12: 6,271,292 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.8

Radius: 12.1

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.88 AU - 4.16 AU

Year: 5467 Days

Day: 7.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,712,016 km

• M1: 163,211 km (0.109 R)
• M2: 628,161 km (0.077 R)
• M3: 1,245,701 km (0.115 R)
• M4: 1,775,876 km (0.11 R)
• M5: 2,356,914 km (0.109 R)
• M6: 2,818,573 km (0.076 R)
• M7: 4,065,621 km (0.057 R)
• M8: 5,109,964 km (0.087 R)
• M9: 5,710,151 km (0.11 R)
• M10: 6,105,089 km (0.095 R)
• M11: 7,294,991 km (0.118 R)
• M12: 8,057,192 km (0.065 R)
• M13: 10,086,188 km (0.119 R)
• M14: 10,847,790 km (0.067 R)
• M15: 17,546,933 km (0.095 R)
• M16: 20,634,034 km (0.061 R)
• M17: 24,223,635 km (0.088 R)
• M18: 30,541,901 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.4

Radius: 8.8

Gravity: 12.13 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.38 AU - 4.54 AU

Year: 6388 Days

Day: 9.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 42,712,016 km

• M1: 109,506 km (0.086 R)
• M2: 534,663 km (0.108 R)
• M3: 1,183,768 km (0.085 R)
• M4: 1,525,150 km (0.079 R)
• M5: 1,947,315 km (0.053 R)
• M6: 3,329,600 km (0.056 R)
• M7: 4,974,578 km (0.115 R)
• M8: 5,842,246 km (0.12 R)
• M9: 6,556,725 km (0.102 R)
• M10: 7,598,225 km (0.07 R)
• M11: 7,955,465 km (0.062 R)
• M12: 8,241,048 km (0.096 R)
• M13: 8,575,698 km (0.076 R)
• M14: 8,919,474 km (0.068 R)
• M15: 10,243,415 km (0.106 R)
• M16: 10,729,010 km (0.103 R)
• M17: 11,027,757 km (0.116 R)
• M18: 11,434,513 km (0.044 R)
• M19: 14,812,583 km (0.036 R)
• M20: 15,559,974 km (0.119 R)
• M21: 16,529,368 km (0.028 R)
• M22: 18,588,283 km (0.081 R)
• M23: 19,092,129 km (0.102 R)
• M24: 20,966,590 km (0.043 R)
• M25: 21,277,604 km (0.105 R)
• M26: 21,670,598 km (0.087 R)
• M27: 23,208,165 km (0.119 R)
• M28: 24,045,913 km (0.059 R)
• M29: 24,903,857 km (0.114 R)
• M30: 27,507,009 km (0.116 R)
• M31: 29,696,524 km (0.103 R)
• M32: 36,061,764 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.3

Radius: 13.9

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.45 AU - 5.67 AU

Year: 7720 Days

Day: 10.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,712,016 km

• M1: 175,329 km (0.044 R)
• M2: 1,059,452 km (0.11 R)
• M3: 1,585,887 km (0.054 R)
• M4: 2,368,583 km (0.089 R)
• M5: 3,090,393 km (0.089 R)
• M6: 3,955,368 km (0.117 R)
• M7: 4,772,322 km (0.026 R)
• M8: 5,573,867 km (0.095 R)
• M9: 6,518,877 km (0.112 R)
• M10: 7,147,337 km (0.098 R)
• M11: 8,828,668 km (0.094 R)
• M12: 9,527,440 km (0.116 R)
• M13: 13,725,904 km (0.113 R)
• M14: 15,346,797 km (0.098 R)
• M15: 17,738,717 km (0.098 R)
• M16: 18,178,684 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.3

Radius: 5

Gravity: 11.65 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.6 AU - 7.02 AU

Year: 10751 Days

Day: 21.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,712,016 km

• M1: 62,382 km (0.087 R)
• M2: 261,198 km (0.049 R)
• M3: 590,762 km (0.047 R)
• M4: 822,190 km (0.073 R)
• M5: 1,612,964 km (0.114 R)
• M6: 1,990,699 km (0.093 R)
• M7: 2,981,785 km (0.106 R)
• M8: 3,345,457 km (0.103 R)
• M9: 3,786,322 km (0.106 R)
• M10: 5,042,346 km (0.08 R)
• M11: 7,545,567 km (0.059 R)
• M12: 7,937,364 km (0.109 R)
• M13: 8,301,335 km (0.084 R)
• M14: 9,595,507 km (0.089 R)
• M15: 11,118,114 km (0.115 R)
• M16: 12,904,911 km (0.048 R)
• M17: 13,982,464 km (0.076 R)
• M18: 17,035,906 km (0.064 R)
• M19: 17,914,943 km (0.116 R)
• M20: 18,191,400 km (0.037 R)
• M21: 18,823,750 km (0.061 R)
• M22: 22,525,849 km (0.079 R)
• M23: 23,832,437 km (0.103 R)
• M24: 25,016,504 km (0.049 R)
• M25: 28,240,488 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.7

Radius: 6.4

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.87 AU - 9.63 AU

Year: 14633 Days

Day: 18 Hours

Environment

Temp: -240 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,712,016 km

• M1: 82,428 km (0.041 R)
• M2: 304,731 km (0.108 R)
• M3: 571,015 km (0.116 R)
• M4: 1,456,485 km (0.112 R)
• M5: 1,790,088 km (0.12 R)
• M6: 2,122,794 km (0.11 R)
• M7: 2,477,341 km (0.113 R)
• M8: 3,732,467 km (0.109 R)
• M9: 6,159,692 km (0.091 R)
• M10: 6,549,844 km (0.106 R)
• M11: 13,584,833 km (0.099 R)
• M12: 30,405,019 km (0.103 R)
• M13: 39,868,730 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.1

Radius: 3.7

Gravity: 53.33 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 7.88 AU - 9.16 AU

Year: 16867 Days

Day: 19.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 42,712,016 km

• M1: 46,076 km (0.116 R)
• M2: 168,896 km (0.081 R)
• M3: 536,757 km (0.094 R)
• M4: 889,659 km (0.115 R)
• M5: 2,111,574 km (0.103 R)
• M6: 2,492,600 km (0.095 R)
• M7: 2,723,280 km (0.071 R)
• M8: 3,280,831 km (0.061 R)
• M9: 4,483,299 km (0.102 R)
• M10: 5,293,670 km (0.039 R)
• M11: 5,520,161 km (0.056 R)
• M12: 5,713,741 km (0.071 R)
• M13: 6,197,092 km (0.05 R)
• M14: 6,406,230 km (0.103 R)
• M15: 7,476,602 km (0.118 R)
• M16: 10,078,857 km (0.025 R)
• M17: 10,485,464 km (0.109 R)
• M18: 15,629,088 km (0.063 R)
• M19: 16,252,313 km (0.031 R)
• M20: 17,631,455 km (0.114 R)
• M21: 17,798,706 km (0.044 R)
• M22: 19,618,863 km (0.099 R)
• M23: 20,435,518 km (0.049 R)
• M24: 22,921,835 km (0.102 R)
• M25: 23,725,624 km (0.074 R)
• M26: 26,467,454 km (0.116 R)
• M27: 27,914,364 km (0.07 R)
• M28: 32,821,922 km (0.054 R)
• M29: 32,948,333 km (0.071 R)
• M30: 35,279,217 km (0.1 R)
• M31: 53,334,034 km (0.086 R)
• M32: 53,683,794 km (0.063 R)
• M33: 60,814,526 km (0.115 R)
• M34: 66,710,478 km (0.086 R)
• M35: 67,320,239 km (0.104 R)
• M36: 68,550,831 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.8

Radius: 4.8

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 7.94 AU - 9.22 AU

Year: 17046 Days

Day: 20.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,712,016 km

• M1: 59,690 km (0.087 R)
• M2: 254,765 km (0.116 R)
• M3: 565,181 km (0.098 R)
• M4: 996,023 km (0.071 R)
• M5: 1,199,775 km (0.084 R)
• M6: 1,634,656 km (0.061 R)
• M7: 3,403,800 km (0.045 R)
• M8: 3,972,422 km (0.114 R)
• M9: 7,272,700 km (0.113 R)
• M10: 11,398,759 km (0.082 R)
• M11: 11,558,231 km (0.078 R)
• M12: 14,440,084 km (0.099 R)
• M13: 15,584,957 km (0.095 R)
• M14: 16,246,329 km (0.089 R)
• M15: 21,979,667 km (0.036 R)
• M16: 23,922,644 km (0.062 R)
• M17: 24,359,620 km (0.088 R)
• M18: 27,664,835 km (0.113 R)
• M19: 27,953,110 km (0.034 R)
• M20: 29,225,290 km (0.084 R)
• M21: 29,926,007 km (0.103 R)
• M22: 30,128,263 km (0.038 R)
• M23: 40,081,010 km (0.118 R)
• M24: 40,697,353 km (0.066 R)
• M25: 41,696,517 km (0.055 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: 214 - 17,791 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit