🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.1

Radius: 13.2

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.43 AU - 1.53 AU

Year: 1243 Days

Day: 14 Hours

Environment

Temp: -191 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,824,906 km

• M1: 164,707 km (0.096 R)
• M2: 580,589 km (0.058 R)
• M3: 1,098,497 km (0.059 R)
• M4: 1,692,850 km (0.062 R)
• M5: 2,904,143 km (0.089 R)
• M6: 3,575,240 km (0.118 R)
• M7: 5,768,195 km (0.063 R)
• M8: 6,320,510 km (0.057 R)
• M9: 6,882,848 km (0.097 R)
• M10: 7,531,804 km (0.103 R)
• M11: 8,596,043 km (0.03 R)
• M12: 9,790,133 km (0.095 R)
• M13: 10,511,046 km (0.099 R)
• M14: 11,302,269 km (0.114 R)
• M15: 12,468,683 km (0.107 R)
• M16: 12,887,557 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.1

Radius: 11.2

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.63 AU - 1.75 AU

Year: 1516 Days

Day: 12.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,824,906 km

• M1: 139,276 km (0.085 R)
• M2: 576,101 km (0.108 R)
• M3: 927,058 km (0.093 R)
• M4: 2,194,152 km (0.112 R)
• M5: 2,601,657 km (0.1 R)
• M6: 3,004,823 km (0.119 R)
• M7: 3,680,706 km (0.094 R)
• M8: 4,174,080 km (0.096 R)
• M9: 4,527,280 km (0.093 R)
• M10: 4,938,974 km (0.067 R)
• M11: 5,730,795 km (0.092 R)
• M12: 6,488,209 km (0.098 R)
• M13: 7,012,999 km (0.094 R)
• M14: 7,721,793 km (0.034 R)
• M15: 8,366,859 km (0.029 R)
• M16: 8,759,404 km (0.06 R)
• M17: 9,401,329 km (0.096 R)
• M18: 10,295,026 km (0.081 R)
• M19: 11,076,825 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.8

Radius: 14.9

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.48 AU - 1.92 AU

Year: 1530 Days

Day: 13.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,824,906 km

• M1: 185,501 km (0.07 R)
• M2: 659,577 km (0.082 R)
• M3: 1,634,058 km (0.077 R)
• M4: 2,189,066 km (0.059 R)
• M5: 2,982,682 km (0.119 R)
• M6: 3,463,789 km (0.088 R)
• M7: 3,979,752 km (0.026 R)
• M8: 4,624,070 km (0.072 R)
• M9: 5,337,652 km (0.085 R)
• M10: 6,147,575 km (0.07 R)
• M11: 6,807,601 km (0.11 R)
• M12: 8,892,845 km (0.066 R)
• M13: 9,966,958 km (0.111 R)
• M14: 11,196,802 km (0.094 R)
• M15: 12,146,450 km (0.039 R)
• M16: 12,641,020 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.7

Radius: 12.3

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.45 AU - 2.25 AU

Year: 1737 Days

Day: 8.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,824,906 km

• M1: 155,432 km (0.094 R)
• M2: 645,066 km (0.103 R)
• M3: 1,040,453 km (0.07 R)
• M4: 1,839,306 km (0.098 R)
• M5: 2,462,680 km (0.083 R)
• M6: 3,111,187 km (0.087 R)
• M7: 3,645,850 km (0.056 R)
• M8: 4,349,259 km (0.091 R)
• M9: 5,407,963 km (0.079 R)
• M10: 6,224,319 km (0.046 R)
• M11: 6,905,288 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.3

Radius: 11.4

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.58 AU - 3.2 AU

Year: 3391 Days

Day: 13.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,824,906 km

• M1: 142,866 km (0.102 R)
• M2: 522,396 km (0.065 R)
• M3: 960,568 km (0.106 R)
• M4: 1,556,715 km (0.047 R)
• M5: 2,000,722 km (0.106 R)
• M6: 2,560,966 km (0.114 R)
• M7: 3,357,874 km (0.062 R)
• M8: 3,954,321 km (0.098 R)
• M9: 4,453,080 km (0.105 R)
• M10: 6,786,358 km (0.081 R)
• M11: 8,379,126 km (0.074 R)
• M12: 9,399,833 km (0.074 R)
• M13: 10,249,549 km (0.096 R)
• M14: 11,326,952 km (0.118 R)
• M15: 11,732,961 km (0.039 R)
• M16: 15,121,203 km (0.087 R)
• M17: 16,117,076 km (0.112 R)
• M18: 16,804,927 km (0.117 R)
• M19: 19,818,427 km (0.108 R)
• M20: 20,408,740 km (0.106 R)
• M21: 21,350,159 km (0.12 R)
• M22: 22,179,979 km (0.058 R)
• M23: 23,537,729 km (0.043 R)
• M24: 25,715,575 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.4

Radius: 14

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.18 AU - 3.62 AU

Year: 3409 Days

Day: 6.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,824,906 km

• M1: 174,431 km (0.082 R)
• M2: 1,216,979 km (0.111 R)
• M3: 1,958,685 km (0.096 R)
• M4: 2,937,354 km (0.119 R)
• M5: 3,586,609 km (0.108 R)
• M6: 4,308,269 km (0.091 R)
• M7: 4,786,533 km (0.074 R)
• M8: 5,716,583 km (0.09 R)
• M9: 6,884,494 km (0.101 R)
• M10: 7,349,594 km (0.067 R)
• M11: 8,377,930 km (0.088 R)
• M12: 8,908,852 km (0.106 R)
• M13: 11,389,634 km (0.101 R)
• M14: 12,310,409 km (0.059 R)
• M15: 12,765,934 km (0.083 R)
• M16: 13,280,252 km (0.116 R)
• M17: 14,300,360 km (0.071 R)
• M18: 18,492,242 km (0.079 R)
• M19: 20,835,991 km (0.08 R)
• M20: 21,813,464 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255

Radius: 11.8

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.78 AU - 4.16 AU

Year: 4462 Days

Day: 5.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,824,906 km

• M1: 151,692 km (0.098 R)
• M2: 932,294 km (0.059 R)
• M3: 1,445,115 km (0.073 R)
• M4: 1,826,141 km (0.115 R)
• M5: 2,221,828 km (0.07 R)
• M6: 2,705,477 km (0.083 R)
• M7: 4,046,473 km (0.096 R)
• M8: 4,507,234 km (0.077 R)
• M9: 5,361,588 km (0.106 R)
• M10: 5,840,750 km (0.109 R)
• M11: 6,514,838 km (0.096 R)
• M12: 7,090,789 km (0.069 R)
• M13: 9,852,067 km (0.113 R)
• M14: 11,046,307 km (0.059 R)
• M15: 11,992,962 km (0.096 R)
• M16: 13,037,754 km (0.099 R)
• M17: 14,961,283 km (0.098 R)
• M18: 15,761,033 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 955.1

Radius: 7.9

Gravity: 15.3 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.63 AU - 7.71 AU

Year: 10579 Days

Day: 19 Hours

Environment

Temp: -231 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,824,906 km

• M1: 104,719 km (0.084 R)
• M2: 432,787 km (0.103 R)
• M3: 1,215,034 km (0.071 R)
• M4: 1,508,545 km (0.091 R)
• M5: 2,437,099 km (0.05 R)
• M6: 3,441,200 km (0.1 R)
• M7: 5,971,199 km (0.109 R)
• M8: 6,829,442 km (0.067 R)
• M9: 8,407,550 km (0.117 R)
• M10: 9,131,753 km (0.11 R)
• M11: 9,382,180 km (0.11 R)
• M12: 11,906,943 km (0.095 R)
• M13: 13,324,982 km (0.104 R)
• M14: 14,510,694 km (0.108 R)
• M15: 15,339,317 km (0.065 R)
• M16: 17,780,605 km (0.098 R)
• M17: 19,052,635 km (0.097 R)
• M18: 19,379,806 km (0.077 R)
• M19: 23,324,702 km (0.117 R)
• M20: 24,460,598 km (0.093 R)
• M21: 26,333,713 km (0.103 R)
• M22: 28,089,095 km (0.077 R)
• M23: 35,644,984 km (0.108 R)
• M24: 41,919,867 km (0.098 R)
• M25: 42,613,103 km (0.055 R)
• M26: 46,341,232 km (0.027 R)
• M27: 47,380,937 km (0.07 R)
• M28: 48,740,482 km (0.04 R)
• M29: 50,125,759 km (0.105 R)
• M30: 51,695,489 km (0.06 R)
• M31: 53,297,832 km (0.04 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.9

Radius: 5

Gravity: 28.12 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.38 AU - 9.54 AU

Year: 16985 Days

Day: 18.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,824,906 km

• M1: 62,233 km (0.076 R)
• M2: 400,025 km (0.106 R)
• M3: 628,909 km (0.096 R)
• M4: 1,149,510 km (0.038 R)
• M5: 1,956,142 km (0.094 R)
• M6: 3,243,731 km (0.109 R)
• M7: 3,659,463 km (0.094 R)
• M8: 4,109,753 km (0.077 R)
• M9: 4,698,121 km (0.087 R)
• M10: 6,454,400 km (0.095 R)
• M11: 7,292,896 km (0.079 R)
• M12: 9,509,338 km (0.103 R)
• M13: 10,532,887 km (0.03 R)
• M14: 11,378,264 km (0.077 R)
• M15: 12,009,119 km (0.025 R)
• M16: 13,617,894 km (0.104 R)
• M17: 14,840,857 km (0.078 R)
• M18: 15,824,014 km (0.114 R)
• M19: 16,292,106 km (0.098 R)
• M20: 19,921,200 km (0.084 R)
• M21: 25,514,515 km (0.075 R)
• M22: 27,813,685 km (0.071 R)
• M23: 32,443,290 km (0.1 R)
• M24: 32,819,379 km (0.1 R)
• M25: 38,253,821 km (0.077 R)
• M26: 44,566,402 km (0.076 R)
• M27: 49,029,655 km (0.098 R)
• M28: 49,194,362 km (0.058 R)
• M29: 52,911,570 km (0.053 R)
• M30: 55,729,545 km (0.057 R)
• M31: 61,854,531 km (0.065 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 15,632 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit