🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.4

Radius: 11.1

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.48 AU - 0.6 AU

Year: 265 Days

Day: 6.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,263,515 km

• M1: 138,079 km (0.049 R)
• M2: 502,499 km (0.106 R)
• M3: 946,805 km (0.074 R)
• M4: 1,315,414 km (0.103 R)
• M5: 1,973,196 km (0.061 R)
• M6: 2,689,770 km (0.028 R)
• M7: 3,196,159 km (0.068 R)
• M8: 3,812,053 km (0.101 R)
• M9: 4,223,447 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.2

Radius: 8.4

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.56 AU - 0.6 AU

Year: 295 Days

Day: 9.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,263,515 km

• M1: 104,419 km (0.107 R)
• M2: 472,729 km (0.109 R)
• M3: 978,968 km (0.03 R)
• M4: 1,297,762 km (0.118 R)
• M5: 1,617,003 km (0.087 R)
• M6: 2,208,214 km (0.032 R)
• M7: 2,517,134 km (0.118 R)
• M8: 3,082,614 km (0.115 R)
• M9: 3,551,453 km (0.048 R)
• M10: 4,302,884 km (0.093 R)
• M11: 4,903,818 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.3

Radius: 11.6

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.92 AU - 1.02 AU

Year: 637 Days

Day: 8.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,263,515 km

• M1: 144,212 km (0.114 R)
• M2: 521,947 km (0.118 R)
• M3: 955,332 km (0.037 R)
• M4: 1,445,564 km (0.106 R)
• M5: 1,947,764 km (0.061 R)
• M6: 2,657,307 km (0.092 R)
• M7: 3,333,190 km (0.099 R)
• M8: 4,036,599 km (0.102 R)
• M9: 4,543,736 km (0.071 R)
• M10: 5,308,181 km (0.113 R)
• M11: 6,082,500 km (0.066 R)
• M12: 6,672,065 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.4

Radius: 10.2

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.94 AU - 1.32 AU

Year: 801 Days

Day: 10.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,263,515 km

• M1: 126,859 km (0.043 R)
• M2: 611,556 km (0.109 R)
• M3: 1,040,004 km (0.064 R)
• M4: 1,563,597 km (0.113 R)
• M5: 1,904,082 km (0.117 R)
• M6: 2,238,134 km (0.105 R)
• M7: 2,570,391 km (0.114 R)
• M8: 3,679,509 km (0.073 R)
• M9: 4,290,467 km (0.046 R)
• M10: 4,887,362 km (0.038 R)
• M11: 5,417,687 km (0.117 R)
• M12: 6,811,789 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900

Radius: 10

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.8 AU - 1.9 AU

Year: 1678 Days

Day: 5.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,263,515 km

• M1: 124,765 km (0.072 R)
• M2: 450,290 km (0.113 R)
• M3: 851,511 km (0.059 R)
• M4: 1,437,785 km (0.108 R)
• M5: 1,909,916 km (0.099 R)
• M6: 2,226,465 km (0.073 R)
• M7: 2,633,521 km (0.087 R)
• M8: 3,479,347 km (0.091 R)
• M9: 4,456,221 km (0.104 R)
• M10: 5,820,255 km (0.106 R)
• M11: 6,188,266 km (0.034 R)
• M12: 7,359,018 km (0.104 R)
• M13: 8,116,881 km (0.079 R)
• M14: 8,990,383 km (0.114 R)
• M15: 11,258,437 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570

Radius: 10.9

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.91 AU - 2.37 AU

Year: 2088 Days

Day: 11.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,263,515 km

• M1: 135,685 km (0.113 R)
• M2: 646,113 km (0.08 R)
• M3: 1,026,241 km (0.092 R)
• M4: 1,368,821 km (0.067 R)
• M5: 1,821,354 km (0.056 R)
• M6: 2,398,802 km (0.093 R)
• M7: 2,972,659 km (0.03 R)
• M8: 4,068,912 km (0.061 R)
• M9: 4,455,473 km (0.119 R)
• M10: 4,887,811 km (0.113 R)
• M11: 6,105,239 km (0.101 R)
• M12: 6,878,510 km (0.093 R)
• M13: 8,250,023 km (0.098 R)
• M14: 9,559,154 km (0.099 R)
• M15: 12,067,761 km (0.114 R)
• M16: 13,664,868 km (0.108 R)
• M17: 15,306,256 km (0.091 R)
• M18: 15,677,857 km (0.031 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.4

Radius: 9.3

Gravity: 11.25 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.82 AU - 4.28 AU

Year: 5435 Days

Day: 14 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,263,515 km

• M1: 125,064 km (0.119 R)
• M2: 528,679 km (0.099 R)
• M3: 961,316 km (0.082 R)
• M4: 1,255,276 km (0.079 R)
• M5: 1,957,339 km (0.093 R)
• M6: 2,527,606 km (0.051 R)
• M7: 4,146,703 km (0.071 R)
• M8: 4,641,274 km (0.062 R)
• M9: 5,174,890 km (0.06 R)
• M10: 5,655,548 km (0.04 R)
• M11: 6,100,152 km (0.088 R)
• M12: 6,881,352 km (0.101 R)
• M13: 7,651,333 km (0.106 R)
• M14: 8,156,226 km (0.092 R)
• M15: 9,759,915 km (0.11 R)
• M16: 10,076,913 km (0.112 R)
• M17: 10,971,957 km (0.106 R)
• M18: 11,614,330 km (0.118 R)
• M19: 11,919,061 km (0.056 R)
• M20: 17,686,956 km (0.087 R)
• M21: 20,868,155 km (0.101 R)
• M22: 21,930,898 km (0.12 R)
• M23: 22,319,105 km (0.098 R)
• M24: 26,282,252 km (0.089 R)
• M25: 28,983,989 km (0.092 R)
• M26: 32,968,379 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.6

Radius: 6

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.61 AU - 9.49 AU

Year: 15231 Days

Day: 17.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,263,515 km

• M1: 74,949 km (0.098 R)
• M2: 300,841 km (0.096 R)
• M3: 547,229 km (0.1 R)
• M4: 956,529 km (0.066 R)
• M5: 1,206,208 km (0.056 R)
• M6: 1,691,204 km (0.083 R)
• M7: 2,554,982 km (0.106 R)
• M8: 3,537,541 km (0.108 R)
• M9: 4,410,295 km (0.046 R)
• M10: 4,663,564 km (0.07 R)
• M11: 5,355,305 km (0.086 R)
• M12: 5,742,464 km (0.11 R)
• M13: 6,500,177 km (0.118 R)
• M14: 6,865,944 km (0.065 R)
• M15: 8,948,047 km (0.073 R)
• M16: 10,011,837 km (0.093 R)
• M17: 10,450,159 km (0.109 R)
• M18: 12,498,902 km (0.105 R)
• M19: 12,723,000 km (0.074 R)
• M20: 13,706,007 km (0.073 R)
• M21: 17,861,687 km (0.091 R)
• M22: 26,467,454 km (0.107 R)
• M23: 28,159,555 km (0.117 R)
• M24: 29,228,432 km (0.107 R)
• M25: 35,092,220 km (0.054 R)
• M26: 36,443,238 km (0.114 R)
• M27: 37,945,500 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64.8

Radius: 6.2

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.13 AU - 9.89 AU

Year: 19557 Days

Day: 16.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,263,515 km

• M1: 83,775 km (0.106 R)
• M2: 337,642 km (0.109 R)
• M3: 2,098,559 km (0.085 R)
• M4: 2,805,558 km (0.117 R)
• M5: 3,547,863 km (0.083 R)
• M6: 3,940,857 km (0.074 R)
• M7: 4,650,998 km (0.047 R)
• M8: 4,924,313 km (0.099 R)
• M9: 9,830,076 km (0.03 R)
• M10: 17,656,438 km (0.094 R)
• M11: 22,056,860 km (0.038 R)
• M12: 31,275,978 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.4

Radius: 4.8

Gravity: 24.89 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.89 AU - 12.45 AU

Year: 23242 Days

Day: 23.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,263,515 km

• M1: 59,690 km (0.1 R)
• M2: 498,909 km (0.061 R)
• M3: 1,074,562 km (0.113 R)
• M4: 2,072,379 km (0.076 R)
• M5: 2,535,235 km (0.073 R)
• M6: 3,397,667 km (0.085 R)
• M7: 3,816,990 km (0.105 R)
• M8: 4,006,829 km (0.117 R)
• M9: 4,650,399 km (0.104 R)
• M10: 5,166,811 km (0.109 R)
• M11: 8,494,616 km (0.115 R)
• M12: 12,740,503 km (0.045 R)
• M13: 16,243,935 km (0.052 R)
• M14: 18,393,507 km (0.116 R)
• M15: 20,822,528 km (0.107 R)
• M16: 21,115,889 km (0.045 R)
• M17: 23,881,206 km (0.112 R)
• M18: 24,418,561 km (0.095 R)
• M19: 25,517,358 km (0.055 R)
• M20: 28,527,566 km (0.114 R)
• M21: 29,745,741 km (0.067 R)
• M22: 31,380,547 km (0.107 R)
• M23: 34,282,147 km (0.08 R)
• M24: 34,828,329 km (0.068 R)
• M25: 41,840,879 km (0.107 R)
• M26: 43,252,634 km (0.107 R)
• M27: 46,170,840 km (0.086 R)
• M28: 50,613,747 km (0.089 R)
• M29: 51,321,494 km (0.108 R)
• M30: 57,991,914 km (0.08 R)
• M31: 62,542,681 km (0.075 R)
• M32: 65,426,180 km (0.105 R)
• M33: 67,967,100 km (0.11 R)
• M34: 71,900,626 km (0.098 R)
• M35: 74,150,279 km (0.062 R)
• M36: 76,678,483 km (0.18 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 146 - 15,681 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit