🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.2

Radius: 13.4

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.45 AU - 0.71 AU

Year: 300 Days

Day: 9.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,157,091 km

• M1: 166,652 km (0.118 R)
• M2: 815,608 km (0.092 R)
• M3: 1,316,162 km (0.08 R)
• M4: 1,914,254 km (0.111 R)
• M5: 3,055,836 km (0.099 R)
• M6: 3,725,286 km (0.053 R)
• M7: 4,477,614 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.4

Radius: 8.8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.54 AU - 0.8 AU

Year: 372 Days

Day: 11.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,157,091 km

• M1: 111,002 km (0.051 R)
• M2: 414,835 km (0.061 R)
• M3: 736,620 km (0.086 R)
• M4: 1,323,343 km (0.071 R)
• M5: 1,636,900 km (0.095 R)
• M6: 2,314,578 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.4

Radius: 12.1

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.7 AU - 0.72 AU

Year: 406 Days

Day: 9.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,157,091 km

• M1: 150,495 km (0.107 R)
• M2: 647,460 km (0.083 R)
• M3: 1,066,932 km (0.105 R)
• M4: 1,572,573 km (0.113 R)
• M5: 2,070,584 km (0.059 R)
• M6: 2,475,396 km (0.085 R)
• M7: 3,155,917 km (0.098 R)
• M8: 4,532,067 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.7

Radius: 10.6

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.48 AU - 2.06 AU

Year: 1597 Days

Day: 7.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,157,091 km

• M1: 132,544 km (0.117 R)
• M2: 464,801 km (0.111 R)
• M3: 882,328 km (0.115 R)
• M4: 1,252,134 km (0.097 R)
• M5: 2,204,773 km (0.05 R)
• M6: 3,444,042 km (0.117 R)
• M7: 4,497,510 km (0.103 R)
• M8: 4,998,514 km (0.06 R)
• M9: 5,409,010 km (0.088 R)
• M10: 6,204,871 km (0.087 R)
• M11: 12,074,942 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.4

Radius: 13.9

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.2 AU - 2.66 AU

Year: 2569 Days

Day: 9.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,157,091 km

• M1: 176,675 km (0.078 R)
• M2: 702,512 km (0.115 R)
• M3: 1,203,365 km (0.081 R)
• M4: 1,786,498 km (0.104 R)
• M5: 2,913,119 km (0.061 R)
• M6: 3,436,562 km (0.107 R)
• M7: 4,291,215 km (0.065 R)
• M8: 5,104,279 km (0.086 R)
• M9: 6,269,198 km (0.115 R)
• M10: 7,488,869 km (0.098 R)
• M11: 8,262,590 km (0.06 R)
• M12: 10,216,338 km (0.045 R)
• M13: 10,758,929 km (0.072 R)
• M14: 11,627,943 km (0.06 R)
• M15: 13,123,922 km (0.091 R)
• M16: 13,592,463 km (0.08 R)
• M17: 14,072,223 km (0.062 R)
• M18: 14,608,531 km (0.086 R)
• M19: 15,485,474 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.4

Radius: 13.9

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.83 AU - 3.85 AU

Year: 4140 Days

Day: 7.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,157,091 km

• M1: 180,864 km (0.067 R)
• M2: 631,602 km (0.04 R)
• M3: 1,266,645 km (0.098 R)
• M4: 2,065,797 km (0.068 R)
• M5: 2,883,798 km (0.111 R)
• M6: 3,399,163 km (0.079 R)
• M7: 3,953,573 km (0.071 R)
• M8: 6,356,713 km (0.07 R)
• M9: 6,935,058 km (0.109 R)
• M10: 7,374,427 km (0.049 R)
• M11: 7,868,549 km (0.099 R)
• M12: 8,309,563 km (0.115 R)
• M13: 9,081,488 km (0.112 R)
• M14: 9,900,836 km (0.038 R)
• M15: 10,635,511 km (0.083 R)
• M16: 12,409,592 km (0.113 R)
• M17: 12,958,168 km (0.057 R)
• M18: 13,679,828 km (0.088 R)
• M19: 14,211,499 km (0.084 R)
• M20: 16,359,126 km (0.074 R)
• M21: 19,305,007 km (0.074 R)
• M22: 23,107,037 km (0.105 R)
• M23: 26,883,037 km (0.109 R)
• M24: 28,485,230 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.6

Radius: 6.5

Gravity: 17.69 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.4 AU - 7.14 AU

Year: 9401 Days

Day: 16.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 60,157,091 km

• M1: 81,381 km (0.096 R)
• M2: 285,582 km (0.079 R)
• M3: 550,670 km (0.08 R)
• M4: 892,800 km (0.084 R)
• M5: 1,222,065 km (0.119 R)
• M6: 1,435,392 km (0.077 R)
• M7: 3,633,882 km (0.1 R)
• M8: 4,895,890 km (0.092 R)
• M9: 5,276,766 km (0.095 R)
• M10: 5,711,348 km (0.092 R)
• M11: 6,426,276 km (0.062 R)
• M12: 6,805,357 km (0.089 R)
• M13: 7,159,305 km (0.096 R)
• M14: 7,442,943 km (0.086 R)
• M15: 8,119,424 km (0.118 R)
• M16: 11,958,854 km (0.05 R)
• M17: 12,416,324 km (0.031 R)
• M18: 13,859,046 km (0.029 R)
• M19: 15,276,785 km (0.07 R)
• M20: 16,366,605 km (0.034 R)
• M21: 16,717,562 km (0.096 R)
• M22: 17,507,439 km (0.06 R)
• M23: 18,397,097 km (0.097 R)
• M24: 20,916,475 km (0.086 R)
• M25: 21,163,910 km (0.114 R)
• M26: 21,413,290 km (0.092 R)
• M27: 21,748,838 km (0.119 R)
• M28: 25,957,923 km (0.108 R)
• M29: 27,113,417 km (0.064 R)
• M30: 28,504,677 km (0.094 R)
• M31: 32,740,392 km (0.086 R)
• M32: 33,074,144 km (0.045 R)
• M33: 36,536,288 km (0.085 R)
• M34: 37,620,274 km (0.059 R)
• M35: 39,348,728 km (0.108 R)
• M36: 40,487,467 km (0.109 R)
• M37: 43,363,336 km (0.117 R)
• M38: 43,765,755 km (0.112 R)
• M39: 44,441,937 km (0.096 R)
• M40: 45,262,631 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.4

Radius: 5.3

Gravity: 13.72 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 8.02 AU - 8.56 AU

Year: 16189 Days

Day: 21.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 55 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,157,091 km

• M1: 65,973 km (0.101 R)
• M2: 261,048 km (0.116 R)
• M3: 463,753 km (0.08 R)
• M4: 646,113 km (0.105 R)
• M5: 877,092 km (0.094 R)
• M6: 1,436,588 km (0.112 R)
• M7: 1,971,251 km (0.043 R)
• M8: 2,264,912 km (0.072 R)
• M9: 3,055,985 km (0.087 R)
• M10: 3,988,878 km (0.076 R)
• M11: 5,795,870 km (0.117 R)
• M12: 6,321,108 km (0.085 R)
• M13: 6,918,303 km (0.069 R)
• M14: 7,294,243 km (0.109 R)
• M15: 7,950,977 km (0.11 R)
• M16: 8,742,051 km (0.068 R)
• M17: 9,431,996 km (0.099 R)
• M18: 13,691,347 km (0.12 R)
• M19: 13,952,545 km (0.074 R)
• M20: 14,417,644 km (0.099 R)
• M21: 18,044,944 km (0.1 R)
• M22: 18,280,112 km (0.111 R)
• M23: 19,486,768 km (0.107 R)
• M24: 19,984,032 km (0.116 R)
• M25: 23,424,483 km (0.055 R)
• M26: 24,081,068 km (0.066 R)
• M27: 24,366,202 km (0.101 R)
• M28: 30,441,970 km (0.09 R)
• M29: 30,998,923 km (0.091 R)
• M30: 32,827,009 km (0.12 R)
• M31: 36,197,000 km (0.076 R)
• M32: 39,001,212 km (0.097 R)
• M33: 44,180,141 km (0.096 R)
• M34: 47,676,542 km (0.097 R)
• M35: 48,730,160 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450.1

Radius: 7.9

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.32 AU - 10.04 AU

Year: 17345 Days

Day: 16.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,157,091 km

• M1: 98,286 km (0.112 R)
• M2: 711,936 km (0.064 R)
• M3: 992,283 km (0.105 R)
• M4: 2,011,493 km (0.116 R)
• M5: 2,673,314 km (0.095 R)
• M6: 5,390,759 km (0.1 R)
• M7: 6,534,884 km (0.082 R)
• M8: 7,077,924 km (0.086 R)
• M9: 8,065,120 km (0.115 R)
• M10: 8,739,358 km (0.097 R)
• M11: 9,981,918 km (0.115 R)
• M12: 10,988,263 km (0.057 R)
• M13: 12,308,015 km (0.118 R)
• M14: 13,135,890 km (0.034 R)
• M15: 18,487,155 km (0.086 R)
• M16: 19,742,431 km (0.097 R)
• M17: 28,162,996 km (0.04 R)
• M18: 32,971,072 km (0.106 R)
• M19: 33,699,763 km (0.113 R)
• M20: 34,812,771 km (0.096 R)
• M21: 36,592,686 km (0.105 R)
• M22: 45,356,878 km (0.025 R)
• M23: 52,573,030 km (0.103 R)
• M24: 59,260,653 km (0.104 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 16,509 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit