🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.1

Radius: 9.3

Gravity: 11.16 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.81 AU - 1.13 AU

Year: 637 Days

Day: 7.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,980,059 km

• M1: 115,639 km (0.069 R)
• M2: 411,245 km (0.08 R)
• M3: 1,110,465 km (0.069 R)
• M4: 1,439,730 km (0.115 R)
• M5: 2,353,175 km (0.116 R)
• M6: 2,704,730 km (0.092 R)
• M7: 3,473,214 km (0.09 R)
• M8: 4,082,227 km (0.099 R)
• M9: 4,743,898 km (0.118 R)
• M10: 5,199,424 km (0.114 R)
• M11: 5,493,982 km (0.062 R)
• M12: 6,403,986 km (0.081 R)
• M13: 7,228,868 km (0.066 R)
• M14: 7,596,729 km (0.072 R)
• M15: 8,395,133 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.5

Radius: 12.7

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.19 AU - 1.82 AU

Year: 1225 Days

Day: 10.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,980,059 km

• M1: 157,975 km (0.058 R)
• M2: 701,913 km (0.119 R)
• M3: 1,660,985 km (0.117 R)
• M4: 2,065,947 km (0.05 R)
• M5: 2,518,181 km (0.103 R)
• M6: 3,304,168 km (0.114 R)
• M7: 4,290,766 km (0.077 R)
• M8: 6,044,652 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.4

Radius: 8.1

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.29 AU - 3.59 AU

Year: 3362 Days

Day: 7.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,980,059 km

• M1: 100,679 km (0.05 R)
• M2: 394,789 km (0.04 R)
• M3: 652,396 km (0.07 R)
• M4: 922,121 km (0.099 R)
• M5: 1,258,866 km (0.063 R)
• M6: 1,654,403 km (0.11 R)
• M7: 2,482,876 km (0.04 R)
• M8: 4,102,722 km (0.075 R)
• M9: 6,244,365 km (0.038 R)
• M10: 7,586,407 km (0.055 R)
• M11: 8,173,728 km (0.097 R)
• M12: 9,736,877 km (0.109 R)
• M13: 10,588,836 km (0.069 R)
• M14: 14,108,725 km (0.119 R)
• M15: 14,845,793 km (0.119 R)
• M16: 16,078,330 km (0.071 R)
• M17: 17,600,638 km (0.046 R)
• M18: 20,430,282 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.7

Radius: 11.7

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.89 AU - 4.17 AU

Year: 4423 Days

Day: 6.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,980,059 km

• M1: 145,559 km (0.074 R)
• M2: 574,456 km (0.105 R)
• M3: 1,104,032 km (0.087 R)
• M4: 1,669,512 km (0.095 R)
• M5: 2,104,842 km (0.037 R)
• M6: 3,262,879 km (0.117 R)
• M7: 4,223,746 km (0.108 R)
• M8: 5,091,863 km (0.083 R)
• M9: 6,410,568 km (0.112 R)
• M10: 8,077,537 km (0.098 R)
• M11: 8,553,408 km (0.045 R)
• M12: 9,598,648 km (0.051 R)
• M13: 10,133,012 km (0.1 R)
• M14: 10,808,297 km (0.11 R)
• M15: 11,302,867 km (0.05 R)
• M16: 11,985,781 km (0.03 R)
• M17: 14,298,415 km (0.11 R)
• M18: 14,894,862 km (0.033 R)
• M19: 16,351,496 km (0.114 R)
• M20: 17,059,244 km (0.085 R)
• M21: 17,617,393 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.6

Radius: 9.3

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.36 AU - 4.54 AU

Year: 5235 Days

Day: 5.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,980,059 km

• M1: 116,088 km (0.092 R)
• M2: 479,312 km (0.073 R)
• M3: 848,968 km (0.118 R)
• M4: 1,211,743 km (0.076 R)
• M5: 1,762,263 km (0.118 R)
• M6: 2,130,722 km (0.036 R)
• M7: 2,747,066 km (0.088 R)
• M8: 3,283,823 km (0.096 R)
• M9: 3,910,339 km (0.113 R)
• M10: 4,590,560 km (0.072 R)
• M11: 4,934,037 km (0.098 R)
• M12: 5,535,720 km (0.054 R)
• M13: 6,544,159 km (0.113 R)
• M14: 8,996,816 km (0.101 R)
• M15: 9,497,221 km (0.092 R)
• M16: 10,016,026 km (0.055 R)
• M17: 10,808,297 km (0.047 R)
• M18: 11,731,764 km (0.073 R)
• M19: 13,485,650 km (0.088 R)
• M20: 15,299,524 km (0.053 R)
• M21: 16,633,638 km (0.059 R)
• M22: 17,036,954 km (0.115 R)
• M23: 21,914,891 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.3

Radius: 12.4

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.78 AU - 5.12 AU

Year: 6260 Days

Day: 13.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,980,059 km

• M1: 154,385 km (0.117 R)
• M2: 554,111 km (0.095 R)
• M3: 1,042,996 km (0.115 R)
• M4: 3,061,969 km (0.1 R)
• M5: 5,584,788 km (0.025 R)
• M6: 7,191,319 km (0.037 R)
• M7: 8,917,529 km (0.091 R)
• M8: 9,832,320 km (0.115 R)
• M9: 10,856,766 km (0.083 R)
• M10: 11,246,469 km (0.066 R)
• M11: 12,366,807 km (0.048 R)
• M12: 14,184,870 km (0.06 R)
• M13: 17,601,237 km (0.101 R)
• M14: 19,750,808 km (0.073 R)
• M15: 20,851,550 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.2

Radius: 5.4

Gravity: 27.68 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.52 AU - 7.18 AU

Year: 11955 Days

Day: 19.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 83,980,059 km

• M1: 67,169 km (0.04 R)
• M2: 457,919 km (0.084 R)
• M3: 665,411 km (0.096 R)
• M4: 1,344,586 km (0.075 R)
• M5: 1,797,269 km (0.078 R)
• M6: 2,488,561 km (0.116 R)
• M7: 3,394,376 km (0.101 R)
• M8: 8,357,135 km (0.048 R)
• M9: 10,017,373 km (0.116 R)
• M10: 10,616,362 km (0.11 R)
• M11: 12,681,411 km (0.109 R)
• M12: 13,252,726 km (0.101 R)
• M13: 16,147,893 km (0.049 R)
• M14: 19,521,924 km (0.096 R)
• M15: 23,337,717 km (0.062 R)
• M16: 23,526,360 km (0.116 R)
• M17: 30,564,640 km (0.06 R)
• M18: 31,705,324 km (0.071 R)
• M19: 35,545,950 km (0.07 R)
• M20: 36,046,804 km (0.086 R)
• M21: 37,577,639 km (0.114 R)
• M22: 38,753,927 km (0.088 R)
• M23: 40,224,623 km (0.101 R)
• M24: 43,276,719 km (0.115 R)
• M25: 48,291,838 km (0.115 R)
• M26: 50,464,747 km (0.073 R)
• M27: 52,216,987 km (0.102 R)
• M28: 55,842,641 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.1

Radius: 5.8

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.65 AU - 11.19 AU

Year: 19280 Days

Day: 18.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,980,059 km

• M1: 73,602 km (0.041 R)
• M2: 266,434 km (0.043 R)
• M3: 3,393,179 km (0.081 R)
• M4: 4,208,786 km (0.111 R)
• M5: 6,283,410 km (0.098 R)
• M6: 8,362,521 km (0.117 R)
• M7: 10,952,958 km (0.099 R)
• M8: 17,838,798 km (0.077 R)
• M9: 18,227,453 km (0.11 R)
• M10: 24,913,880 km (0.088 R)
• M11: 29,423,059 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71.1

Radius: 3.2

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 9.78 AU - 11.82 AU

Year: 23668 Days

Day: 24.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,980,059 km

• M1: 40,092 km (0.084 R)
• M2: 209,736 km (0.119 R)
• M3: 817,702 km (0.091 R)
• M4: 1,055,413 km (0.108 R)
• M5: 1,724,115 km (0.077 R)
• M6: 2,597,767 km (0.114 R)
• M7: 4,799,698 km (0.099 R)
• M8: 6,263,513 km (0.091 R)
• M9: 6,581,110 km (0.077 R)
• M10: 12,886,061 km (0.11 R)
• M11: 15,715,855 km (0.066 R)
• M12: 29,959,816 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.8

Radius: 3.1

Gravity: 67.3 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 10.4 AU - 11.32 AU

Year: 23866 Days

Day: 22.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 83,980,059 km

• M1: 38,596 km (0.114 R)
• M2: 222,901 km (0.113 R)
• M3: 395,387 km (0.07 R)
• M4: 511,924 km (0.101 R)
• M5: 632,649 km (0.043 R)
• M6: 804,837 km (0.11 R)
• M7: 1,033,422 km (0.074 R)
• M8: 1,414,149 km (0.078 R)
• M9: 1,530,985 km (0.096 R)
• M10: 2,085,843 km (0.065 R)
• M11: 3,825,816 km (0.045 R)
• M12: 3,922,307 km (0.1 R)
• M13: 4,020,592 km (0.113 R)
• M14: 4,154,034 km (0.053 R)
• M15: 5,133,601 km (0.047 R)
• M16: 5,823,845 km (0.109 R)
• M17: 6,573,779 km (0.035 R)
• M18: 7,286,912 km (0.034 R)
• M19: 7,485,578 km (0.082 R)
• M20: 9,793,724 km (0.055 R)
• M21: 10,468,410 km (0.112 R)
• M22: 12,535,554 km (0.061 R)
• M23: 12,820,538 km (0.119 R)
• M24: 14,622,593 km (0.11 R)
• M25: 17,366,218 km (0.074 R)
• M26: 19,564,110 km (0.1 R)
• M27: 21,735,374 km (0.057 R)
• M28: 29,955,328 km (0.12 R)
• M29: 30,721,419 km (0.097 R)
• M30: 33,233,017 km (0.119 R)
• M31: 34,747,845 km (0.108 R)
• M32: 39,873,218 km (0.079 R)
• M33: 43,827,539 km (0.104 R)
• M34: 44,979,741 km (0.083 R)
• M35: 49,613,535 km (0.112 R)
• M36: 57,242,279 km (0.1 R)
• M37: 59,214,727 km (0.041 R)
• M38: 68,213,039 km (0.083 R)
• M39: 73,150,217 km (0.082 R)
• M40: 73,380,149 km (0.117 R)
• M41: 74,769,764 km (0.117 R)
• M42: 78,080,215 km (0.066 R)
• M43: 79,771,419 km (0.083 R)
• M44: 81,981,578 km (0.077 R)
• M45: 83,728,432 km (0.11 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 14,114 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit