🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808

Radius: 12.8

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.16 AU - 1.3 AU

Year: 881 Days

Day: 13.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,293,392 km

• M1: 159,471 km (0.106 R)
• M2: 834,307 km (0.056 R)
• M3: 1,305,840 km (0.095 R)
• M4: 2,114,267 km (0.079 R)
• M5: 4,895,740 km (0.095 R)
• M6: 6,678,797 km (0.094 R)
• M7: 7,209,121 km (0.115 R)
• M8: 8,328,113 km (0.089 R)
• M9: 8,806,976 km (0.081 R)
• M10: 9,220,016 km (0.053 R)
• M11: 9,646,071 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.6

Radius: 8.2

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.16 AU - 1.42 AU

Year: 946 Days

Day: 12.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,293,392 km

• M1: 102,026 km (0.101 R)
• M2: 459,415 km (0.029 R)
• M3: 924,365 km (0.073 R)
• M4: 1,286,542 km (0.096 R)
• M5: 1,815,221 km (0.102 R)
• M6: 2,948,724 km (0.097 R)
• M7: 3,898,969 km (0.115 R)
• M8: 4,444,553 km (0.072 R)
• M9: 4,946,454 km (0.059 R)
• M10: 5,308,181 km (0.114 R)
• M11: 5,873,512 km (0.117 R)
• M12: 6,456,046 km (0.044 R)
• M13: 7,364,703 km (0.111 R)
• M14: 7,710,873 km (0.068 R)
• M15: 8,842,581 km (0.118 R)
• M16: 9,376,346 km (0.092 R)
• M17: 10,081,251 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.4

Radius: 13.1

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.67 AU - 2.75 AU

Year: 2121 Days

Day: 8.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,293,392 km

• M1: 163,062 km (0.073 R)
• M2: 808,726 km (0.076 R)
• M3: 1,474,736 km (0.067 R)
• M4: 2,816,629 km (0.117 R)
• M5: 3,577,334 km (0.025 R)
• M6: 5,600,196 km (0.119 R)
• M7: 6,343,997 km (0.048 R)
• M8: 6,753,147 km (0.104 R)
• M9: 11,800,878 km (0.047 R)
• M10: 13,772,429 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.5

Radius: 13.6

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.39 AU - 3.59 AU

Year: 3338 Days

Day: 13.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,293,392 km

• M1: 172,337 km (0.082 R)
• M2: 1,084,585 km (0.067 R)
• M3: 1,856,360 km (0.046 R)
• M4: 2,775,788 km (0.06 R)
• M5: 3,431,925 km (0.104 R)
• M6: 4,168,545 km (0.044 R)
• M7: 4,609,260 km (0.1 R)
• M8: 6,347,886 km (0.11 R)
• M9: 8,080,529 km (0.059 R)
• M10: 9,725,058 km (0.1 R)
• M11: 11,454,859 km (0.109 R)
• M12: 16,747,482 km (0.118 R)
• M13: 17,641,329 km (0.097 R)
• M14: 18,390,964 km (0.06 R)
• M15: 20,451,824 km (0.058 R)
• M16: 21,799,402 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.9

Radius: 14.8

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.38 AU - 4.28 AU

Year: 4840 Days

Day: 12.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,293,392 km

• M1: 184,155 km (0.117 R)
• M2: 780,751 km (0.117 R)
• M3: 1,908,270 km (0.116 R)
• M4: 2,453,255 km (0.11 R)
• M5: 2,971,014 km (0.069 R)
• M6: 3,732,916 km (0.048 R)
• M7: 4,231,675 km (0.079 R)
• M8: 4,775,014 km (0.03 R)
• M9: 5,477,376 km (0.109 R)
• M10: 6,124,986 km (0.087 R)
• M11: 7,157,809 km (0.063 R)
• M12: 8,764,341 km (0.068 R)
• M13: 9,569,477 km (0.1 R)
• M14: 10,033,080 km (0.088 R)
• M15: 11,327,700 km (0.104 R)
• M16: 12,781,642 km (0.114 R)
• M17: 13,711,991 km (0.106 R)
• M18: 14,356,908 km (0.063 R)
• M19: 15,022,020 km (0.083 R)
• M20: 16,473,718 km (0.099 R)
• M21: 17,450,891 km (0.105 R)
• M22: 19,120,852 km (0.097 R)
• M23: 25,404,860 km (0.1 R)
• M24: 28,143,399 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678

Radius: 8

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.72 AU - 5.2 AU

Year: 6082 Days

Day: 14.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,293,392 km

• M1: 99,483 km (0.094 R)
• M2: 488,886 km (0.11 R)
• M3: 899,382 km (0.119 R)
• M4: 1,188,555 km (0.049 R)
• M5: 1,443,320 km (0.08 R)
• M6: 1,817,315 km (0.077 R)
• M7: 2,490,505 km (0.046 R)
• M8: 2,972,360 km (0.08 R)
• M9: 3,405,745 km (0.098 R)
• M10: 3,928,141 km (0.054 R)
• M11: 4,373,195 km (0.112 R)
• M12: 5,881,440 km (0.037 R)
• M13: 6,770,351 km (0.068 R)
• M14: 7,157,061 km (0.095 R)
• M15: 8,978,415 km (0.099 R)
• M16: 9,619,442 km (0.063 R)
• M17: 10,336,465 km (0.075 R)
• M18: 10,897,307 km (0.115 R)
• M19: 12,233,216 km (0.065 R)
• M20: 13,786,192 km (0.117 R)
• M21: 17,539,154 km (0.051 R)
• M22: 18,336,660 km (0.051 R)
• M23: 19,367,539 km (0.075 R)
• M24: 21,022,241 km (0.093 R)
• M25: 22,769,245 km (0.095 R)
• M26: 28,135,919 km (0.117 R)
• M27: 29,044,277 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.9

Radius: 7.8

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.97 AU - 8.97 AU

Year: 14528 Days

Day: 16.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 72,293,392 km

• M1: 96,939 km (0.097 R)
• M2: 505,042 km (0.111 R)
• M3: 768,933 km (0.109 R)
• M4: 1,068,129 km (0.078 R)
• M5: 1,332,917 km (0.082 R)
• M6: 2,090,630 km (0.102 R)
• M7: 2,364,843 km (0.057 R)
• M8: 2,775,489 km (0.109 R)
• M9: 3,284,122 km (0.049 R)
• M10: 5,958,633 km (0.054 R)
• M11: 6,432,708 km (0.112 R)
• M12: 7,146,889 km (0.09 R)
• M13: 7,455,958 km (0.119 R)
• M14: 7,773,853 km (0.055 R)
• M15: 9,188,600 km (0.103 R)
• M16: 9,607,325 km (0.077 R)
• M17: 14,804,804 km (0.104 R)
• M18: 15,380,606 km (0.12 R)
• M19: 16,196,513 km (0.093 R)
• M20: 16,500,346 km (0.05 R)
• M21: 19,322,659 km (0.119 R)
• M22: 23,500,778 km (0.108 R)
• M23: 24,883,063 km (0.067 R)
• M24: 25,389,451 km (0.084 R)
• M25: 28,463,837 km (0.102 R)
• M26: 31,777,879 km (0.098 R)
• M27: 32,735,305 km (0.068 R)
• M28: 34,833,864 km (0.116 R)
• M29: 35,851,728 km (0.067 R)
• M30: 36,497,841 km (0.055 R)
• M31: 37,020,387 km (0.111 R)
• M32: 41,949,487 km (0.103 R)
• M33: 43,978,932 km (0.091 R)
• M34: 45,468,029 km (0.073 R)
• M35: 46,530,174 km (0.1 R)
• M36: 47,608,774 km (0.094 R)
• M37: 48,861,806 km (0.105 R)
• M38: 50,297,497 km (0.087 R)
• M39: 57,370,933 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.5

Radius: 7.1

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.83 AU - 11.15 AU

Year: 18876 Days

Day: 21.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,293,392 km

• M1: 89,310 km (0.1 R)
• M2: 609,611 km (0.102 R)
• M3: 1,392,906 km (0.091 R)
• M4: 2,279,124 km (0.102 R)
• M5: 2,501,426 km (0.12 R)
• M6: 4,570,813 km (0.056 R)
• M7: 7,279,283 km (0.1 R)
• M8: 7,575,786 km (0.051 R)
• M9: 7,957,709 km (0.116 R)
• M10: 8,352,498 km (0.113 R)
• M11: 9,527,440 km (0.094 R)
• M12: 14,047,689 km (0.075 R)
• M13: 14,391,914 km (0.03 R)
• M14: 15,641,056 km (0.088 R)
• M15: 22,203,765 km (0.082 R)
• M16: 22,828,186 km (0.037 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.9

Radius: 4.2

Gravity: 24.54 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 9.09 AU - 12.75 AU

Year: 23300 Days

Day: 15.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,293,392 km

• M1: 58,044 km (0.097 R)
• M2: 193,280 km (0.096 R)
• M3: 596,148 km (0.049 R)
• M4: 1,604,288 km (0.059 R)
• M5: 1,777,971 km (0.102 R)
• M6: 4,047,670 km (0.048 R)
• M7: 5,252,980 km (0.064 R)
• M8: 5,481,266 km (0.101 R)
• M9: 7,991,668 km (0.085 R)
• M10: 8,293,856 km (0.072 R)
• M11: 12,402,112 km (0.107 R)
• M12: 14,589,383 km (0.11 R)
• M13: 15,970,470 km (0.078 R)
• M14: 17,859,143 km (0.07 R)
• M15: 18,549,388 km (0.077 R)
• M16: 18,812,830 km (0.119 R)
• M17: 22,072,867 km (0.106 R)
• M18: 23,578,270 km (0.12 R)
• M19: 25,581,834 km (0.053 R)
• M20: 27,354,569 km (0.045 R)
• M21: 27,695,802 km (0.084 R)
• M22: 31,639,351 km (0.025 R)
• M23: 34,466,452 km (0.098 R)
• M24: 44,417,403 km (0.094 R)
• M25: 50,296,450 km (0.075 R)
• M26: 51,669,758 km (0.081 R)
• M27: 54,132,887 km (0.115 R)
• M28: 61,210,961 km (0.078 R)
• M29: 65,781,026 km (0.083 R)
• M30: 69,723,828 km (0.119 R)
• M31: 71,645,113 km (0.048 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 19,372 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit