🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.9

Radius: 12.9

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.39 AU - 1.75 AU

Year: 1358 Days

Day: 12.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,152,676 km

• M1: 164,258 km (0.11 R)
• M2: 855,101 km (0.041 R)
• M3: 1,733,989 km (0.096 R)
• M4: 2,146,580 km (0.061 R)
• M5: 2,903,545 km (0.11 R)
• M6: 4,146,404 km (0.081 R)
• M7: 4,914,290 km (0.082 R)
• M8: 6,050,187 km (0.066 R)
• M9: 6,798,625 km (0.11 R)
• M10: 8,108,953 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.9

Radius: 14

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.39 AU - 3.81 AU

Year: 4715 Days

Day: 10.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,152,676 km

• M1: 174,132 km (0.067 R)
• M2: 750,233 km (0.105 R)
• M3: 1,241,513 km (0.036 R)
• M4: 1,714,392 km (0.101 R)
• M5: 3,900,615 km (0.088 R)
• M6: 4,375,738 km (0.074 R)
• M7: 5,161,725 km (0.112 R)
• M8: 7,833,094 km (0.094 R)
• M9: 8,872,650 km (0.056 R)
• M10: 12,905,509 km (0.118 R)
• M11: 14,078,356 km (0.114 R)
• M12: 15,850,044 km (0.085 R)
• M13: 18,285,049 km (0.082 R)
• M14: 19,489,012 km (0.058 R)
• M15: 23,418,948 km (0.085 R)
• M16: 24,042,921 km (0.06 R)
• M17: 26,904,279 km (0.071 R)
• M18: 27,588,839 km (0.117 R)
• M19: 30,721,718 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.2

Radius: 12.3

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.59 AU - 5.71 AU

Year: 6921 Days

Day: 8.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,152,676 km

• M1: 154,983 km (0.097 R)
• M2: 885,320 km (0.084 R)
• M3: 1,411,306 km (0.086 R)
• M4: 2,398,503 km (0.102 R)
• M5: 3,146,492 km (0.1 R)
• M6: 4,259,351 km (0.059 R)
• M7: 5,335,109 km (0.043 R)
• M8: 7,538,835 km (0.026 R)
• M9: 8,615,790 km (0.077 R)
• M10: 9,174,688 km (0.065 R)
• M11: 11,459,945 km (0.081 R)
• M12: 14,647,427 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.3

Radius: 3.6

Gravity: 32.04 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.03 AU - 7.25 AU

Year: 10502 Days

Day: 24.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,152,676 km

• M1: 44,879 km (0.073 R)
• M2: 191,784 km (0.096 R)
• M3: 374,743 km (0.073 R)
• M4: 739,013 km (0.09 R)
• M5: 1,097,899 km (0.037 R)
• M6: 1,292,077 km (0.114 R)
• M7: 1,917,994 km (0.103 R)
• M8: 2,030,941 km (0.109 R)
• M9: 2,165,579 km (0.119 R)
• M10: 4,093,746 km (0.103 R)
• M11: 4,419,570 km (0.109 R)
• M12: 5,153,946 km (0.044 R)
• M13: 6,859,960 km (0.055 R)
• M14: 8,384,213 km (0.12 R)
• M15: 9,408,958 km (0.119 R)
• M16: 11,227,769 km (0.087 R)
• M17: 11,384,847 km (0.108 R)
• M18: 13,443,762 km (0.115 R)
• M19: 17,218,715 km (0.049 R)
• M20: 18,789,792 km (0.037 R)
• M21: 19,159,747 km (0.03 R)
• M22: 26,491,090 km (0.113 R)
• M23: 28,870,743 km (0.101 R)
• M24: 32,225,027 km (0.034 R)
• M25: 41,414,226 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758

Radius: 6.6

Gravity: 17.4 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.58 AU - 6.88 AU

Year: 10734 Days

Day: 24.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,152,676 km

• M1: 147,504 km (0.115 R)
• M2: 509,830 km (0.08 R)
• M3: 873,652 km (0.049 R)
• M4: 1,321,697 km (0.102 R)
• M5: 1,643,033 km (0.109 R)
• M6: 2,121,597 km (0.079 R)
• M7: 2,884,845 km (0.106 R)
• M8: 3,378,369 km (0.054 R)
• M9: 4,442,458 km (0.102 R)
• M10: 5,199,274 km (0.118 R)
• M11: 6,765,115 km (0.066 R)
• M12: 7,294,691 km (0.11 R)
• M13: 8,436,123 km (0.072 R)
• M14: 8,905,412 km (0.102 R)
• M15: 9,692,147 km (0.109 R)
• M16: 10,739,631 km (0.083 R)
• M17: 12,449,385 km (0.116 R)
• M18: 13,181,517 km (0.116 R)
• M19: 13,685,363 km (0.112 R)
• M20: 14,136,550 km (0.049 R)
• M21: 14,398,795 km (0.107 R)
• M22: 16,041,380 km (0.094 R)
• M23: 21,366,765 km (0.072 R)
• M24: 21,799,402 km (0.097 R)
• M25: 30,076,203 km (0.087 R)
• M26: 30,401,578 km (0.105 R)
• M27: 30,729,048 km (0.09 R)
• M28: 31,950,365 km (0.111 R)
• M29: 32,516,144 km (0.092 R)
• M30: 32,744,281 km (0.065 R)
• M31: 34,607,971 km (0.095 R)
• M32: 34,845,832 km (0.12 R)
• M33: 36,051,441 km (0.025 R)
• M34: 37,785,580 km (0.088 R)
• M35: 41,956,668 km (0.088 R)
• M36: 45,849,653 km (0.107 R)
• M37: 48,475,395 km (0.115 R)
• M38: 49,222,187 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.5

Radius: 5.5

Gravity: 14.83 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.07 AU - 7.33 AU

Year: 11971 Days

Day: 20.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,152,676 km

• M1: 98,136 km (0.067 R)
• M2: 490,083 km (0.059 R)
• M3: 1,271,283 km (0.116 R)
• M4: 1,975,889 km (0.1 R)
• M5: 2,422,588 km (0.102 R)
• M6: 3,345,308 km (0.042 R)
• M7: 4,142,066 km (0.076 R)
• M8: 4,629,306 km (0.089 R)
• M9: 5,090,068 km (0.079 R)
• M10: 7,570,251 km (0.119 R)
• M11: 9,163,468 km (0.113 R)
• M12: 12,179,660 km (0.109 R)
• M13: 13,235,672 km (0.081 R)
• M14: 13,662,325 km (0.109 R)
• M15: 16,278,492 km (0.103 R)
• M16: 17,777,164 km (0.101 R)
• M17: 18,673,554 km (0.098 R)
• M18: 22,219,024 km (0.113 R)
• M19: 24,785,974 km (0.096 R)
• M20: 36,081,361 km (0.106 R)
• M21: 38,862,834 km (0.06 R)
• M22: 40,880,012 km (0.066 R)
• M23: 45,121,411 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.9

Radius: 3

Gravity: 81.1 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 7.58 AU - 8.48 AU

Year: 15707 Days

Day: 16.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,152,676 km

• M1: 37,250 km (0.108 R)
• M2: 350,807 km (0.102 R)
• M3: 566,228 km (0.097 R)
• M4: 760,705 km (0.049 R)
• M5: 997,818 km (0.039 R)
• M6: 1,120,787 km (0.074 R)
• M7: 1,309,879 km (0.114 R)
• M8: 5,041,448 km (0.107 R)
• M9: 5,330,771 km (0.119 R)
• M10: 6,557,024 km (0.049 R)
• M11: 7,078,373 km (0.052 R)
• M12: 8,451,382 km (0.105 R)
• M13: 8,911,096 km (0.108 R)
• M14: 9,387,416 km (0.116 R)
• M15: 12,089,154 km (0.068 R)
• M16: 13,964,213 km (0.117 R)
• M17: 19,744,825 km (0.07 R)
• M18: 21,010,123 km (0.066 R)
• M19: 21,474,774 km (0.112 R)
• M20: 23,007,704 km (0.108 R)
• M21: 25,024,433 km (0.062 R)
• M22: 27,265,708 km (0.074 R)
• M23: 30,338,897 km (0.093 R)
• M24: 33,007,573 km (0.091 R)
• M25: 37,568,663 km (0.061 R)
• M26: 40,497,340 km (0.048 R)
• M27: 43,875,410 km (0.112 R)
• M28: 45,246,923 km (0.082 R)
• M29: 47,595,610 km (0.071 R)
• M30: 52,534,434 km (0.064 R)
• M31: 55,479,118 km (0.098 R)
• M32: 57,081,760 km (0.1 R)
• M33: 59,266,188 km (0.068 R)
• M34: 60,940,637 km (0.049 R)
• M35: 64,969,757 km (0.081 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 19,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit