🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.9

Radius: 12.9

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.09 AU - 1.31 AU

Year: 907 Days

Day: 13.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,191,245 km

• M1: 162,314 km (0.093 R)
• M2: 692,489 km (0.054 R)
• M3: 1,202,767 km (0.119 R)
• M4: 1,653,356 km (0.105 R)
• M5: 2,227,811 km (0.081 R)
• M6: 3,699,256 km (0.102 R)
• M7: 4,353,747 km (0.108 R)
• M8: 5,572,221 km (0.11 R)
• M9: 6,684,631 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496

Radius: 8.1

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.58 AU - 2.48 AU

Year: 1996 Days

Day: 12.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,191,245 km

• M1: 101,427 km (0.098 R)
• M2: 417,827 km (0.093 R)
• M3: 684,859 km (0.116 R)
• M4: 1,028,336 km (0.097 R)
• M5: 1,378,844 km (0.118 R)
• M6: 2,734,350 km (0.12 R)
• M7: 3,382,707 km (0.104 R)
• M8: 3,982,595 km (0.066 R)
• M9: 4,551,814 km (0.084 R)
• M10: 4,960,516 km (0.095 R)
• M11: 6,360,153 km (0.046 R)
• M12: 6,741,179 km (0.107 R)
• M13: 8,210,978 km (0.106 R)
• M14: 8,632,396 km (0.115 R)
• M15: 9,916,544 km (0.087 R)
• M16: 10,360,101 km (0.1 R)
• M17: 11,286,860 km (0.044 R)
• M18: 13,181,816 km (0.074 R)
• M19: 14,226,159 km (0.112 R)
• M20: 14,659,095 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.2

Radius: 10.7

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.63 AU - 4.05 AU

Year: 4213 Days

Day: 13.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,191,245 km

• M1: 213,925 km (0.066 R)
• M2: 587,022 km (0.081 R)
• M3: 1,062,893 km (0.107 R)
• M4: 1,590,674 km (0.048 R)
• M5: 1,968,708 km (0.08 R)
• M6: 2,391,920 km (0.085 R)
• M7: 3,178,057 km (0.077 R)
• M8: 3,890,442 km (0.101 R)
• M9: 4,705,900 km (0.113 R)
• M10: 5,631,612 km (0.069 R)
• M11: 7,081,365 km (0.105 R)
• M12: 8,366,411 km (0.117 R)
• M13: 11,884,204 km (0.108 R)
• M14: 14,196,240 km (0.117 R)
• M15: 15,029,350 km (0.047 R)
• M16: 15,403,943 km (0.065 R)
• M17: 16,005,327 km (0.109 R)
• M18: 16,622,119 km (0.093 R)
• M19: 19,501,279 km (0.107 R)
• M20: 20,727,533 km (0.097 R)
• M21: 24,640,714 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.7

Radius: 9

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.24 AU - 4.54 AU

Year: 5296 Days

Day: 14.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,191,245 km

• M1: 112,049 km (0.112 R)
• M2: 428,299 km (0.071 R)
• M3: 804,837 km (0.103 R)
• M4: 1,147,416 km (0.105 R)
• M5: 1,599,351 km (0.058 R)
• M6: 1,919,640 km (0.115 R)
• M7: 2,388,480 km (0.084 R)
• M8: 3,319,577 km (0.12 R)
• M9: 3,720,200 km (0.115 R)
• M10: 4,914,440 km (0.04 R)
• M11: 5,965,365 km (0.094 R)
• M12: 6,407,127 km (0.108 R)
• M13: 7,422,598 km (0.11 R)
• M14: 7,969,079 km (0.087 R)
• M15: 9,810,329 km (0.107 R)
• M16: 12,572,953 km (0.073 R)
• M17: 13,749,540 km (0.114 R)
• M18: 14,106,182 km (0.119 R)
• M19: 14,998,084 km (0.093 R)
• M20: 16,434,074 km (0.066 R)
• M21: 18,386,177 km (0.038 R)
• M22: 21,222,552 km (0.105 R)
• M23: 22,252,833 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.9

Radius: 12.1

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.6 AU - 5.28 AU

Year: 7579 Days

Day: 5.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,191,245 km

• M1: 150,795 km (0.104 R)
• M2: 672,293 km (0.118 R)
• M3: 1,102,088 km (0.091 R)
• M4: 1,600,398 km (0.101 R)
• M5: 2,150,021 km (0.07 R)
• M6: 2,942,141 km (0.094 R)
• M7: 3,451,073 km (0.045 R)
• M8: 3,895,229 km (0.077 R)
• M9: 6,684,781 km (0.082 R)
• M10: 7,081,066 km (0.085 R)
• M11: 7,531,355 km (0.116 R)
• M12: 8,324,374 km (0.051 R)
• M13: 9,128,462 km (0.085 R)
• M14: 9,572,169 km (0.108 R)
• M15: 9,983,713 km (0.066 R)
• M16: 11,543,869 km (0.117 R)
• M17: 12,010,615 km (0.101 R)
• M18: 13,037,454 km (0.107 R)
• M19: 18,289,237 km (0.111 R)
• M20: 20,388,544 km (0.115 R)
• M21: 20,842,275 km (0.113 R)
• M22: 25,756,864 km (0.069 R)
• M23: 26,376,349 km (0.043 R)
• M24: 31,999,284 km (0.12 R)
• M25: 32,509,712 km (0.099 R)
• M26: 36,015,687 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80.5

Radius: 3.3

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.73 AU - 6.55 AU

Year: 10502 Days

Day: 16.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,191,245 km

• M1: 49,367 km (0.054 R)
• M2: 252,671 km (0.081 R)
• M3: 502,050 km (0.032 R)
• M4: 694,882 km (0.091 R)
• M5: 1,759,421 km (0.118 R)
• M6: 1,966,464 km (0.027 R)
• M7: 2,872,728 km (0.063 R)
• M8: 3,253,305 km (0.055 R)
• M9: 4,478,661 km (0.071 R)
• M10: 5,896,699 km (0.098 R)
• M11: 6,038,817 km (0.098 R)
• M12: 6,270,993 km (0.1 R)
• M13: 7,194,760 km (0.056 R)
• M14: 11,532,949 km (0.1 R)
• M15: 13,198,721 km (0.096 R)
• M16: 13,837,653 km (0.119 R)
• M17: 14,088,828 km (0.108 R)
• M18: 14,445,470 km (0.092 R)
• M19: 14,652,064 km (0.053 R)
• M20: 19,021,220 km (0.076 R)
• M21: 21,332,507 km (0.039 R)
• M22: 23,538,178 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.1

Radius: 4.5

Gravity: 40.94 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.54 AU - 6.92 AU

Year: 10734 Days

Day: 24.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,191,245 km

• M1: 56,847 km (0.096 R)
• M2: 262,993 km (0.07 R)
• M3: 405,709 km (0.116 R)
• M4: 795,412 km (0.12 R)
• M5: 1,558,810 km (0.116 R)
• M6: 2,271,793 km (0.088 R)
• M7: 2,922,394 km (0.117 R)
• M8: 3,769,866 km (0.107 R)
• M9: 4,279,546 km (0.097 R)
• M10: 5,061,794 km (0.057 R)
• M11: 5,331,219 km (0.078 R)
• M12: 7,534,497 km (0.08 R)
• M13: 9,704,414 km (0.099 R)
• M14: 11,154,765 km (0.11 R)
• M15: 13,818,056 km (0.119 R)
• M16: 16,654,881 km (0.044 R)
• M17: 17,782,848 km (0.085 R)
• M18: 17,936,934 km (0.055 R)
• M19: 20,106,253 km (0.066 R)
• M20: 20,273,503 km (0.094 R)
• M21: 22,896,104 km (0.076 R)
• M22: 25,539,947 km (0.102 R)
• M23: 26,833,819 km (0.094 R)
• M24: 27,445,375 km (0.114 R)
• M25: 27,651,371 km (0.103 R)
• M26: 29,767,732 km (0.048 R)
• M27: 30,865,332 km (0.119 R)
• M28: 31,199,833 km (0.081 R)
• M29: 31,424,230 km (0.052 R)
• M30: 36,387,139 km (0.062 R)
• M31: 37,388,248 km (0.115 R)
• M32: 37,895,534 km (0.089 R)
• M33: 41,305,767 km (0.111 R)
• M34: 44,772,249 km (0.094 R)
• M35: 45,632,287 km (0.065 R)
• M36: 46,649,254 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86

Radius: 3.7

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.88 AU - 7.62 AU

Year: 12105 Days

Day: 23.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,191,245 km

• M1: 46,076 km (0.088 R)
• M2: 320,289 km (0.074 R)
• M3: 612,005 km (0.081 R)
• M4: 864,676 km (0.09 R)
• M5: 1,173,296 km (0.071 R)
• M6: 1,685,370 km (0.076 R)
• M7: 2,999,737 km (0.09 R)
• M8: 3,634,929 km (0.031 R)
• M9: 4,623,472 km (0.076 R)
• M10: 5,139,285 km (0.116 R)
• M11: 5,301,300 km (0.116 R)
• M12: 5,953,995 km (0.061 R)
• M13: 12,714,323 km (0.069 R)
• M14: 13,010,826 km (0.086 R)
• M15: 16,061,725 km (0.03 R)
• M16: 16,292,106 km (0.1 R)
• M17: 17,782,699 km (0.105 R)
• M18: 19,557,229 km (0.073 R)
• M19: 26,293,322 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597

Radius: 6.2

Gravity: 15.53 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.61 AU - 10.39 AU

Year: 20211 Days

Day: 15.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,191,245 km

• M1: 77,043 km (0.074 R)
• M2: 540,048 km (0.113 R)
• M3: 978,370 km (0.102 R)
• M4: 1,318,256 km (0.096 R)
• M5: 2,234,244 km (0.12 R)
• M6: 2,728,516 km (0.118 R)
• M7: 3,810,707 km (0.087 R)
• M8: 4,583,080 km (0.078 R)
• M9: 5,378,791 km (0.104 R)
• M10: 5,650,162 km (0.109 R)
• M11: 6,873,723 km (0.106 R)
• M12: 8,264,385 km (0.069 R)
• M13: 10,962,083 km (0.098 R)
• M14: 11,718,300 km (0.082 R)
• M15: 12,109,200 km (0.083 R)
• M16: 13,976,779 km (0.041 R)
• M17: 20,811,757 km (0.064 R)
• M18: 21,288,824 km (0.039 R)
• M19: 22,363,834 km (0.053 R)
• M20: 23,680,445 km (0.104 R)
• M21: 25,805,633 km (0.086 R)
• M22: 27,140,046 km (0.034 R)
• M23: 28,519,787 km (0.095 R)
• M24: 29,345,866 km (0.088 R)
• M25: 30,431,199 km (0.05 R)
• M26: 32,681,899 km (0.111 R)
• M27: 39,366,231 km (0.088 R)
• M28: 42,034,159 km (0.071 R)
• M29: 44,034,133 km (0.088 R)
• M30: 45,615,233 km (0.075 R)
• M31: 52,143,235 km (0.119 R)
• M32: 54,091,149 km (0.119 R)
• M33: 58,508,326 km (0.084 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 10,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit