🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.93 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.9

Radius: 10.9

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.54 AU - 2.16 AU

Year: 1737 Days

Day: 12.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,353,782 km

• M1: 135,536 km (0.072 R)
• M2: 682,465 km (0.093 R)
• M3: 1,028,485 km (0.097 R)
• M4: 1,400,685 km (0.066 R)
• M5: 1,768,696 km (0.045 R)
• M6: 2,515,039 km (0.109 R)
• M7: 3,916,622 km (0.103 R)
• M8: 4,626,913 km (0.119 R)
• M9: 6,303,306 km (0.112 R)
• M10: 7,370,388 km (0.085 R)
• M11: 7,886,949 km (0.077 R)
• M12: 8,352,348 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.3

Radius: 8.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.58 AU - 2.28 AU

Year: 1851 Days

Day: 7.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,353,782 km

• M1: 102,026 km (0.048 R)
• M2: 377,286 km (0.112 R)
• M3: 852,558 km (0.107 R)
• M4: 1,223,112 km (0.051 R)
• M5: 1,731,446 km (0.099 R)
• M6: 3,117,320 km (0.097 R)
• M7: 3,794,849 km (0.114 R)
• M8: 5,125,821 km (0.096 R)
• M9: 6,339,958 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.1

Radius: 14.8

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.72 AU - 2.36 AU

Year: 2011 Days

Day: 13.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 114.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,353,782 km

• M1: 184,155 km (0.09 R)
• M2: 777,011 km (0.065 R)
• M3: 1,444,517 km (0.106 R)
• M4: 1,933,403 km (0.103 R)
• M5: 2,400,148 km (0.098 R)
• M6: 3,084,708 km (0.062 R)
• M7: 4,121,721 km (0.12 R)
• M8: 5,422,923 km (0.032 R)
• M9: 6,134,410 km (0.114 R)
• M10: 8,216,663 km (0.048 R)
• M11: 8,796,355 km (0.052 R)
• M12: 10,103,391 km (0.027 R)
• M13: 11,465,031 km (0.073 R)
• M14: 12,413,781 km (0.119 R)
• M15: 13,178,675 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.9

Radius: 8.6

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.14 AU - 2.36 AU

Year: 2330 Days

Day: 6.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,353,782 km

• M1: 108,907 km (0.086 R)
• M2: 406,009 km (0.119 R)
• M3: 699,370 km (0.096 R)
• M4: 1,108,371 km (0.094 R)
• M5: 1,468,752 km (0.081 R)
• M6: 1,825,992 km (0.087 R)
• M7: 2,471,207 km (0.105 R)
• M8: 2,762,773 km (0.057 R)
• M9: 4,208,637 km (0.066 R)
• M10: 5,211,840 km (0.099 R)
• M11: 5,498,021 km (0.097 R)
• M12: 6,286,402 km (0.103 R)
• M13: 6,694,056 km (0.05 R)
• M14: 7,177,107 km (0.071 R)
• M15: 8,309,264 km (0.117 R)
• M16: 8,867,563 km (0.093 R)
• M17: 9,733,735 km (0.119 R)
• M18: 10,391,666 km (0.116 R)
• M19: 11,117,815 km (0.07 R)
• M20: 12,082,870 km (0.092 R)
• M21: 15,216,347 km (0.115 R)
• M22: 15,556,832 km (0.03 R)
• M23: 16,252,911 km (0.103 R)
• M24: 17,388,658 km (0.049 R)
• M25: 17,707,302 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.5

Radius: 12.9

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.64 AU - 3.14 AU

Year: 3391 Days

Day: 13.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,353,782 km

• M1: 170,841 km (0.083 R)
• M2: 657,333 km (0.116 R)
• M3: 1,253,929 km (0.082 R)
• M4: 1,886,429 km (0.11 R)
• M5: 2,371,874 km (0.118 R)
• M6: 2,790,449 km (0.081 R)
• M7: 3,799,636 km (0.079 R)
• M8: 4,400,272 km (0.074 R)
• M9: 5,445,811 km (0.115 R)
• M10: 6,183,030 km (0.1 R)
• M11: 6,801,467 km (0.09 R)
• M12: 7,364,254 km (0.085 R)
• M13: 8,835,101 km (0.12 R)
• M14: 9,971,745 km (0.072 R)
• M15: 12,580,732 km (0.108 R)
• M16: 13,334,257 km (0.066 R)
• M17: 13,968,552 km (0.116 R)
• M18: 14,470,004 km (0.117 R)
• M19: 16,375,581 km (0.053 R)
• M20: 18,925,327 km (0.083 R)
• M21: 23,722,333 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.4

Radius: 15

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.81 AU - 3.63 AU

Year: 3988 Days

Day: 8.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,353,782 km

• M1: 186,549 km (0.115 R)
• M2: 697,724 km (0.106 R)
• M3: 1,385,127 km (0.049 R)
• M4: 1,862,793 km (0.093 R)
• M5: 2,634,867 km (0.114 R)
• M6: 3,210,071 km (0.109 R)
• M7: 4,489,283 km (0.07 R)
• M8: 6,019,519 km (0.118 R)
• M9: 7,559,330 km (0.053 R)
• M10: 9,899,489 km (0.056 R)
• M11: 10,375,061 km (0.113 R)
• M12: 11,648,588 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.1

Radius: 14.7

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.59 AU - 5.39 AU

Year: 6567 Days

Day: 11.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,353,782 km

• M1: 182,809 km (0.033 R)
• M2: 649,404 km (0.091 R)
• M3: 1,374,206 km (0.114 R)
• M4: 2,047,396 km (0.054 R)
• M5: 2,900,553 km (0.071 R)
• M6: 3,580,326 km (0.114 R)
• M7: 6,834,379 km (0.048 R)
• M8: 9,198,474 km (0.065 R)
• M9: 9,917,292 km (0.115 R)
• M10: 15,208,120 km (0.059 R)
• M11: 19,179,494 km (0.108 R)
• M12: 19,957,403 km (0.1 R)
• M13: 23,135,909 km (0.073 R)
• M14: 25,770,328 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.8

Radius: 9.1

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.45 AU - 5.73 AU

Year: 7927 Days

Day: 7 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,353,782 km

• M1: 113,844 km (0.054 R)
• M2: 823,686 km (0.088 R)
• M3: 1,491,341 km (0.107 R)
• M4: 1,807,142 km (0.079 R)
• M5: 2,184,727 km (0.099 R)
• M6: 3,252,707 km (0.041 R)
• M7: 3,914,976 km (0.043 R)
• M8: 5,255,972 km (0.099 R)
• M9: 6,064,997 km (0.091 R)
• M10: 7,142,550 km (0.11 R)
• M11: 9,487,647 km (0.084 R)
• M12: 10,834,177 km (0.117 R)
• M13: 12,249,074 km (0.119 R)
• M14: 13,842,441 km (0.081 R)
• M15: 15,762,679 km (0.076 R)
• M16: 16,551,658 km (0.084 R)
• M17: 17,574,459 km (0.088 R)
• M18: 18,422,679 km (0.082 R)
• M19: 19,223,925 km (0.104 R)
• M20: 20,048,209 km (0.107 R)
• M21: 27,983,478 km (0.112 R)
• M22: 28,269,360 km (0.092 R)
• M23: 34,081,686 km (0.095 R)
• M24: 34,846,281 km (0.118 R)
• M25: 37,554,451 km (0.099 R)
• M26: 38,019,102 km (0.117 R)
• M27: 40,278,628 km (0.109 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58

Radius: 8.9

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.65 AU - 5.91 AU

Year: 8375 Days

Day: 12 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,353,782 km

• M1: 134,788 km (0.078 R)
• M2: 418,874 km (0.107 R)
• M3: 1,179,878 km (0.09 R)
• M4: 1,861,746 km (0.113 R)
• M5: 4,714,876 km (0.039 R)
• M6: 5,263,152 km (0.105 R)
• M7: 11,527,114 km (0.088 R)
• M8: 13,707,952 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.8

Radius: 7.7

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.34 AU - 8.52 AU

Year: 12592 Days

Day: 19 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,353,782 km

• M1: 95,743 km (0.116 R)
• M2: 388,805 km (0.038 R)
• M3: 790,475 km (0.111 R)
• M4: 1,085,033 km (0.058 R)
• M5: 2,767,411 km (0.102 R)
• M6: 3,819,234 km (0.076 R)
• M7: 4,861,183 km (0.078 R)
• M8: 7,663,001 km (0.076 R)
• M9: 8,366,560 km (0.101 R)
• M10: 10,470,205 km (0.079 R)
• M11: 11,672,523 km (0.099 R)
• M12: 13,086,223 km (0.11 R)
• M13: 13,581,841 km (0.028 R)
• M14: 18,159,835 km (0.038 R)
• M15: 21,639,482 km (0.12 R)
• M16: 21,984,155 km (0.082 R)
• M17: 24,687,239 km (0.082 R)
• M18: 27,003,313 km (0.036 R)
• M19: 30,851,718 km (0.117 R)
• M20: 35,765,560 km (0.077 R)
• M21: 44,839,269 km (0.103 R)
• M22: 47,109,117 km (0.101 R)
• M23: 49,902,858 km (0.066 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 19,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit