🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.2

Radius: 9.2

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.62 AU - 0.72 AU

Year: 379 Days

Day: 8.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,394,910 km

• M1: 115,190 km (0.1 R)
• M2: 522,994 km (0.074 R)
• M3: 819,048 km (0.109 R)
• M4: 1,190,649 km (0.11 R)
• M5: 1,481,767 km (0.109 R)
• M6: 1,780,065 km (0.036 R)
• M7: 2,096,165 km (0.117 R)
• M8: 2,449,815 km (0.118 R)
• M9: 3,105,353 km (0.096 R)
• M10: 3,437,011 km (0.103 R)
• M11: 3,803,825 km (0.105 R)
• M12: 4,159,868 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512

Radius: 15

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.85 AU - 1.23 AU

Year: 732 Days

Day: 7.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,394,910 km

• M1: 186,698 km (0.097 R)
• M2: 698,323 km (0.037 R)
• M3: 1,298,360 km (0.041 R)
• M4: 1,897,051 km (0.098 R)
• M5: 2,594,326 km (0.087 R)
• M6: 3,751,466 km (0.044 R)
• M7: 4,311,111 km (0.119 R)
• M8: 5,247,145 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.1

Radius: 12.8

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.02 AU - 1.52 AU

Year: 988 Days

Day: 10.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,394,910 km

• M1: 160,070 km (0.115 R)
• M2: 1,024,147 km (0.119 R)
• M3: 1,539,661 km (0.116 R)
• M4: 2,270,596 km (0.088 R)
• M5: 3,751,765 km (0.06 R)
• M6: 4,708,593 km (0.099 R)
• M7: 5,119,090 km (0.069 R)
• M8: 5,717,631 km (0.041 R)
• M9: 7,031,698 km (0.094 R)
• M10: 7,721,644 km (0.044 R)
• M11: 8,592,453 km (0.081 R)
• M12: 9,179,924 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.6

Radius: 10.1

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.36 AU - 1.78 AU

Year: 1358 Days

Day: 12.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,394,910 km

• M1: 132,544 km (0.105 R)
• M2: 529,128 km (0.092 R)
• M3: 866,620 km (0.052 R)
• M4: 1,182,571 km (0.084 R)
• M5: 1,525,449 km (0.112 R)
• M6: 1,855,762 km (0.11 R)
• M7: 2,268,203 km (0.09 R)
• M8: 3,645,102 km (0.114 R)
• M9: 4,368,258 km (0.102 R)
• M10: 5,450,150 km (0.107 R)
• M11: 5,920,934 km (0.099 R)
• M12: 7,092,435 km (0.059 R)
• M13: 7,498,144 km (0.03 R)
• M14: 8,609,058 km (0.1 R)
• M15: 9,982,367 km (0.076 R)
• M16: 10,820,264 km (0.111 R)
• M17: 11,739,394 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.3

Radius: 11.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.41 AU - 2.85 AU

Year: 2944 Days

Day: 11.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,394,910 km

• M1: 144,661 km (0.07 R)
• M2: 518,805 km (0.112 R)
• M3: 1,062,444 km (0.084 R)
• M4: 1,776,325 km (0.061 R)
• M5: 2,383,094 km (0.098 R)
• M6: 2,826,353 km (0.115 R)
• M7: 3,896,875 km (0.091 R)
• M8: 4,718,018 km (0.066 R)
• M9: 5,160,079 km (0.105 R)
• M10: 5,886,078 km (0.032 R)
• M11: 8,644,363 km (0.087 R)
• M12: 9,161,224 km (0.086 R)
• M13: 10,257,328 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.5

Radius: 8.7

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.54 AU - 2.9 AU

Year: 3096 Days

Day: 11.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,394,910 km

• M1: 108,309 km (0.118 R)
• M2: 391,498 km (0.103 R)
• M3: 723,754 km (0.036 R)
• M4: 1,051,972 km (0.084 R)
• M5: 1,545,047 km (0.101 R)
• M6: 2,115,912 km (0.094 R)
• M7: 3,817,588 km (0.075 R)
• M8: 4,570,664 km (0.105 R)
• M9: 4,957,823 km (0.093 R)
• M10: 6,022,212 km (0.099 R)
• M11: 6,547,899 km (0.034 R)
• M12: 7,792,254 km (0.099 R)
• M13: 8,851,556 km (0.039 R)
• M14: 9,415,840 km (0.045 R)
• M15: 9,924,173 km (0.118 R)
• M16: 10,286,649 km (0.068 R)
• M17: 11,210,116 km (0.117 R)
• M18: 13,221,460 km (0.067 R)
• M19: 14,465,516 km (0.105 R)
• M20: 15,408,431 km (0.109 R)
• M21: 15,840,470 km (0.063 R)
• M22: 17,300,395 km (0.064 R)
• M23: 18,847,985 km (0.07 R)
• M24: 20,356,530 km (0.108 R)
• M25: 23,187,520 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106

Radius: 13.8

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.03 AU - 5.29 AU

Year: 6944 Days

Day: 13.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,394,910 km

• M1: 172,486 km (0.059 R)
• M2: 809,025 km (0.093 R)
• M3: 1,751,342 km (0.066 R)
• M4: 3,017,389 km (0.033 R)
• M5: 4,471,630 km (0.073 R)
• M6: 5,009,434 km (0.054 R)
• M7: 5,666,169 km (0.043 R)
• M8: 8,544,881 km (0.087 R)
• M9: 11,002,475 km (0.029 R)
• M10: 12,545,577 km (0.093 R)
• M11: 13,120,631 km (0.101 R)
• M12: 14,134,007 km (0.078 R)
• M13: 15,398,109 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.4

Radius: 5.9

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.64 AU - 6.38 AU

Year: 10170 Days

Day: 16.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,394,910 km

• M1: 73,453 km (0.08 R)
• M2: 626,815 km (0.092 R)
• M3: 847,472 km (0.106 R)
• M4: 1,463,067 km (0.06 R)
• M5: 1,771,239 km (0.08 R)
• M6: 2,410,321 km (0.091 R)
• M7: 2,705,178 km (0.067 R)
• M8: 3,279,185 km (0.093 R)
• M9: 3,479,946 km (0.108 R)
• M10: 4,287,475 km (0.067 R)
• M11: 4,805,832 km (0.047 R)
• M12: 5,065,384 km (0.085 R)
• M13: 5,836,112 km (0.063 R)
• M14: 6,098,507 km (0.083 R)
• M15: 6,472,202 km (0.093 R)
• M16: 7,116,371 km (0.047 R)
• M17: 7,920,908 km (0.071 R)
• M18: 9,800,605 km (0.081 R)
• M19: 11,341,463 km (0.072 R)
• M20: 12,222,445 km (0.118 R)
• M21: 14,414,503 km (0.065 R)
• M22: 15,199,892 km (0.078 R)
• M23: 23,103,446 km (0.06 R)
• M24: 24,177,559 km (0.077 R)
• M25: 28,526,220 km (0.104 R)
• M26: 33,472,972 km (0.077 R)
• M27: 37,368,950 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.1

Radius: 5.2

Gravity: 31.96 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.61 AU - 8.05 AU

Year: 12321 Days

Day: 15.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,394,910 km

• M1: 65,524 km (0.108 R)
• M2: 234,869 km (0.112 R)
• M3: 639,232 km (0.086 R)
• M4: 907,311 km (0.056 R)
• M5: 1,133,952 km (0.064 R)
• M6: 1,654,104 km (0.089 R)
• M7: 1,940,883 km (0.06 R)
• M8: 2,124,739 km (0.047 R)
• M9: 3,225,330 km (0.119 R)
• M10: 4,132,641 km (0.088 R)
• M11: 4,501,400 km (0.086 R)
• M12: 4,925,211 km (0.112 R)
• M13: 5,591,968 km (0.072 R)
• M14: 6,356,862 km (0.1 R)
• M15: 7,408,087 km (0.109 R)
• M16: 8,328,861 km (0.099 R)
• M17: 9,017,311 km (0.066 R)
• M18: 9,903,229 km (0.087 R)
• M19: 10,845,846 km (0.098 R)
• M20: 13,166,258 km (0.092 R)
• M21: 14,166,769 km (0.102 R)
• M22: 15,433,264 km (0.111 R)
• M23: 15,724,531 km (0.11 R)
• M24: 17,081,234 km (0.073 R)
• M25: 19,092,129 km (0.071 R)
• M26: 20,810,560 km (0.082 R)
• M27: 21,166,154 km (0.062 R)
• M28: 23,385,738 km (0.11 R)
• M29: 29,491,425 km (0.092 R)
• M30: 31,780,572 km (0.09 R)
• M31: 36,066,551 km (0.056 R)
• M32: 36,450,868 km (0.11 R)
• M33: 41,981,052 km (0.102 R)
• M34: 43,265,649 km (0.081 R)
• M35: 43,554,522 km (0.07 R)
• M36: 45,018,786 km (0.068 R)
• M37: 54,498,803 km (0.095 R)
• M38: 58,812,458 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.4

Radius: 5.2

Gravity: 19.43 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 9.34 AU - 10 AU

Year: 20756 Days

Day: 16.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,394,910 km

• M1: 65,374 km (0.102 R)
• M2: 487,689 km (0.109 R)
• M3: 783,444 km (0.082 R)
• M4: 1,139,487 km (0.108 R)
• M5: 3,392,581 km (0.055 R)
• M6: 3,648,542 km (0.058 R)
• M7: 4,980,861 km (0.085 R)
• M8: 7,709,227 km (0.088 R)
• M9: 8,874,445 km (0.109 R)
• M10: 9,471,191 km (0.071 R)
• M11: 11,296,584 km (0.096 R)
• M12: 11,675,216 km (0.067 R)
• M13: 14,271,936 km (0.062 R)
• M14: 17,562,940 km (0.114 R)
• M15: 20,571,802 km (0.094 R)
• M16: 20,852,746 km (0.073 R)
• M17: 23,599,363 km (0.079 R)
• M18: 33,267,724 km (0.105 R)
• M19: 35,233,291 km (0.079 R)
• M20: 37,552,805 km (0.026 R)
• M21: 39,972,252 km (0.111 R)
• M22: 40,556,282 km (0.112 R)
• M23: 44,647,933 km (0.117 R)
• M24: 45,118,867 km (0.044 R)
• M25: 53,287,210 km (0.079 R)
• M26: 66,994,863 km (0.077 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 16,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit