🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.5

Radius: 11

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.45 AU - 0.61 AU

Year: 262 Days

Day: 12.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,034,808 km

• M1: 136,732 km (0.052 R)
• M2: 513,869 km (0.094 R)
• M3: 869,014 km (0.083 R)
• M4: 1,452,895 km (0.099 R)
• M5: 1,992,793 km (0.067 R)
• M6: 2,336,120 km (0.12 R)
• M7: 2,876,019 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.5

Radius: 9.5

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.88 AU - 0.96 AU

Year: 599 Days

Day: 10 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,034,808 km

• M1: 118,182 km (0.06 R)
• M2: 471,981 km (0.12 R)
• M3: 884,871 km (0.036 R)
• M4: 1,414,448 km (0.107 R)
• M5: 1,958,984 km (0.096 R)
• M6: 2,542,865 km (0.118 R)
• M7: 3,815,194 km (0.05 R)
• M8: 4,500,203 km (0.105 R)
• M9: 5,295,914 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.6

Radius: 13.1

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.98 AU - 1.14 AU

Year: 740 Days

Day: 6.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,034,808 km

• M1: 162,912 km (0.055 R)
• M2: 882,179 km (0.117 R)
• M3: 1,321,248 km (0.078 R)
• M4: 1,737,729 km (0.107 R)
• M5: 2,168,272 km (0.06 R)
• M6: 3,519,290 km (0.093 R)
• M7: 4,431,538 km (0.074 R)
• M8: 5,406,766 km (0.095 R)
• M9: 6,420,292 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.4

Radius: 14.5

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.94 AU - 1.44 AU

Year: 880 Days

Day: 8.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,034,808 km

• M1: 180,265 km (0.078 R)
• M2: 649,554 km (0.044 R)
• M3: 1,168,060 km (0.105 R)
• M4: 1,775,278 km (0.099 R)
• M5: 2,321,609 km (0.115 R)
• M6: 3,002,579 km (0.076 R)
• M7: 3,470,820 km (0.092 R)
• M8: 3,947,439 km (0.108 R)
• M9: 4,424,357 km (0.095 R)
• M10: 4,955,429 km (0.05 R)
• M11: 5,563,395 km (0.066 R)
• M12: 6,019,968 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.8

Radius: 14.5

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.46 AU - 1.88 AU

Year: 1464 Days

Day: 13.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,034,808 km

• M1: 180,265 km (0.104 R)
• M2: 959,371 km (0.075 R)
• M3: 1,480,121 km (0.115 R)
• M4: 2,037,822 km (0.071 R)
• M5: 2,579,067 km (0.063 R)
• M6: 3,127,493 km (0.077 R)
• M7: 3,737,104 km (0.076 R)
• M8: 4,388,154 km (0.102 R)
• M9: 5,851,072 km (0.064 R)
• M10: 6,364,791 km (0.072 R)
• M11: 8,204,246 km (0.104 R)
• M12: 10,511,195 km (0.093 R)
• M13: 12,562,332 km (0.113 R)
• M14: 13,501,357 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.4

Radius: 13

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.64 AU - 2.06 AU

Year: 1707 Days

Day: 12.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,034,808 km

• M1: 182,210 km (0.061 R)
• M2: 889,359 km (0.084 R)
• M3: 1,693,747 km (0.085 R)
• M4: 2,146,281 km (0.031 R)
• M5: 2,823,510 km (0.092 R)
• M6: 3,981,847 km (0.102 R)
• M7: 4,546,279 km (0.06 R)
• M8: 5,163,670 km (0.107 R)
• M9: 6,007,402 km (0.101 R)
• M10: 6,436,897 km (0.114 R)
• M11: 8,059,286 km (0.049 R)
• M12: 9,974,737 km (0.114 R)
• M13: 11,900,062 km (0.101 R)
• M14: 12,498,902 km (0.083 R)
• M15: 14,777,128 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.8

Radius: 8.5

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.83 AU - 2.01 AU

Year: 1804 Days

Day: 6.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,034,808 km

• M1: 112,797 km (0.078 R)
• M2: 415,732 km (0.062 R)
• M3: 777,610 km (0.101 R)
• M4: 1,155,644 km (0.117 R)
• M5: 1,456,186 km (0.107 R)
• M6: 2,007,005 km (0.099 R)
• M7: 2,446,823 km (0.098 R)
• M8: 3,882,663 km (0.08 R)
• M9: 4,288,373 km (0.105 R)
• M10: 5,143,175 km (0.09 R)
• M11: 5,589,425 km (0.113 R)
• M12: 5,969,254 km (0.114 R)
• M13: 6,366,137 km (0.108 R)
• M14: 10,172,206 km (0.036 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.3

Radius: 13.4

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2 AU - 2.02 AU

Year: 1933 Days

Day: 7.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,034,808 km

• M1: 166,802 km (0.116 R)
• M2: 703,559 km (0.04 R)
• M3: 1,395,000 km (0.042 R)
• M4: 1,843,794 km (0.094 R)
• M5: 2,366,040 km (0.1 R)
• M6: 2,859,862 km (0.076 R)
• M7: 4,202,503 km (0.069 R)
• M8: 4,892,898 km (0.085 R)
• M9: 5,481,416 km (0.1 R)
• M10: 7,589,698 km (0.052 R)
• M11: 8,264,086 km (0.044 R)
• M12: 8,917,080 km (0.079 R)
• M13: 10,059,858 km (0.054 R)
• M14: 10,805,005 km (0.057 R)
• M15: 11,226,722 km (0.099 R)
• M16: 11,806,264 km (0.048 R)
• M17: 13,624,626 km (0.088 R)

Asteroid Belt

Center: 4.97 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.9

Radius: 6.3

Gravity: 14.84 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.61 AU - 9.23 AU

Year: 15117 Days

Day: 21.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,034,808 km

• M1: 174,431 km (0.11 R)
• M2: 451,786 km (0.112 R)
• M3: 1,108,071 km (0.075 R)
• M4: 2,352,726 km (0.064 R)
• M5: 4,945,706 km (0.117 R)
• M6: 5,651,808 km (0.12 R)
• M7: 7,003,424 km (0.11 R)
• M8: 8,125,558 km (0.094 R)
• M9: 8,853,800 km (0.084 R)
• M10: 10,162,782 km (0.056 R)
• M11: 11,007,411 km (0.072 R)
• M12: 12,964,301 km (0.103 R)
• M13: 13,754,327 km (0.071 R)
• M14: 17,710,294 km (0.077 R)
• M15: 18,930,563 km (0.091 R)
• M16: 23,402,493 km (0.114 R)
• M17: 31,823,805 km (0.085 R)
• M18: 33,378,875 km (0.059 R)
• M19: 33,744,792 km (0.118 R)
• M20: 35,996,838 km (0.097 R)
• M21: 41,356,331 km (0.114 R)
• M22: 42,203,504 km (0.088 R)
• M23: 56,164,127 km (0.034 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 12,703 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit