🌌 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: 635.2

Radius: 10.2

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.64 AU - 0.7 AU

Year: 379 Days

Day: 10.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,797,675 km

• M1: 126,859 km (0.09 R)
• M2: 468,541 km (0.054 R)
• M3: 1,114,803 km (0.076 R)
• M4: 1,443,619 km (0.112 R)
• M5: 1,816,268 km (0.117 R)
• M6: 2,152,265 km (0.054 R)
• M7: 2,740,334 km (0.061 R)
• M8: 3,727,979 km (0.086 R)
• M9: 4,398,477 km (0.059 R)
• M10: 4,952,438 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.9

Radius: 14.3

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.68 AU - 0.86 AU

Year: 466 Days

Day: 6.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,797,675 km

• M1: 180,565 km (0.078 R)
• M2: 665,262 km (0.093 R)
• M3: 1,111,961 km (0.075 R)
• M4: 1,579,305 km (0.097 R)
• M5: 2,032,137 km (0.106 R)
• M6: 2,522,818 km (0.092 R)
• M7: 3,749,671 km (0.088 R)
• M8: 4,557,948 km (0.076 R)
• M9: 5,044,889 km (0.064 R)
• M10: 5,497,123 km (0.119 R)
• M11: 6,217,587 km (0.066 R)
• M12: 6,679,395 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.3

Radius: 8.5

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.76 AU - 1.78 AU

Year: 1625 Days

Day: 14.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,797,675 km

• M1: 105,766 km (0.104 R)
• M2: 412,741 km (0.113 R)
• M3: 690,843 km (0.09 R)
• M4: 979,268 km (0.081 R)
• M5: 1,349,522 km (0.05 R)
• M6: 1,811,780 km (0.105 R)
• M7: 2,338,065 km (0.075 R)
• M8: 2,888,286 km (0.092 R)
• M9: 3,258,092 km (0.078 R)
• M10: 4,663,115 km (0.034 R)
• M11: 5,650,611 km (0.073 R)
• M12: 6,082,500 km (0.077 R)
• M13: 7,066,854 km (0.084 R)
• M14: 7,828,157 km (0.078 R)
• M15: 8,643,017 km (0.034 R)
• M16: 10,799,171 km (0.116 R)
• M17: 13,042,541 km (0.089 R)
• M18: 13,669,655 km (0.075 R)
• M19: 14,714,895 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.7

Radius: 14

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.19 AU - 3.39 AU

Year: 3217 Days

Day: 14.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,797,675 km

• M1: 174,132 km (0.103 R)
• M2: 675,883 km (0.114 R)
• M3: 1,164,021 km (0.112 R)
• M4: 1,930,561 km (0.114 R)
• M5: 2,874,822 km (0.101 R)
• M6: 3,970,627 km (0.117 R)
• M7: 5,448,803 km (0.116 R)
• M8: 7,416,314 km (0.081 R)
• M9: 8,911,396 km (0.06 R)
• M10: 11,459,047 km (0.094 R)
• M11: 13,721,416 km (0.086 R)
• M12: 15,126,589 km (0.06 R)
• M13: 16,522,786 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.9

Radius: 13

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.71 AU - 2.87 AU

Year: 3217 Days

Day: 5.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,797,675 km

• M1: 161,715 km (0.088 R)
• M2: 599,289 km (0.077 R)
• M3: 1,374,954 km (0.088 R)
• M4: 1,858,305 km (0.1 R)
• M5: 2,580,862 km (0.119 R)
• M6: 3,080,370 km (0.047 R)
• M7: 3,809,959 km (0.093 R)
• M8: 4,317,544 km (0.087 R)
• M9: 4,738,363 km (0.06 R)
• M10: 9,134,596 km (0.105 R)
• M11: 11,895,873 km (0.079 R)
• M12: 12,856,890 km (0.068 R)
• M13: 13,334,556 km (0.059 R)
• M14: 17,753,378 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729

Radius: 11.9

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.4 AU - 3.2 AU

Year: 3234 Days

Day: 14.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,797,675 km

• M1: 147,952 km (0.089 R)
• M2: 667,207 km (0.081 R)
• M3: 1,121,834 km (0.074 R)
• M4: 1,969,456 km (0.104 R)
• M5: 3,578,082 km (0.069 R)
• M6: 4,149,695 km (0.086 R)
• M7: 4,758,110 km (0.117 R)
• M8: 5,196,132 km (0.111 R)
• M9: 6,013,984 km (0.055 R)
• M10: 6,526,955 km (0.071 R)
• M11: 7,415,267 km (0.099 R)
• M12: 12,549,915 km (0.086 R)
• M13: 13,437,629 km (0.081 R)
• M14: 15,974,061 km (0.078 R)
• M15: 16,849,059 km (0.044 R)
• M16: 19,297,976 km (0.104 R)
• M17: 19,852,086 km (0.051 R)
• M18: 22,242,511 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.8

Radius: 8.6

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.64 AU - 5.64 AU

Year: 8044 Days

Day: 9.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,797,675 km

• M1: 109,206 km (0.079 R)
• M2: 499,956 km (0.055 R)
• M3: 773,271 km (0.082 R)
• M4: 1,383,780 km (0.076 R)
• M5: 1,788,143 km (0.078 R)
• M6: 2,179,043 km (0.088 R)
• M7: 2,836,076 km (0.11 R)
• M8: 5,693,845 km (0.096 R)
• M9: 7,235,750 km (0.11 R)
• M10: 7,511,608 km (0.091 R)
• M11: 8,919,773 km (0.079 R)
• M12: 9,562,445 km (0.104 R)
• M13: 10,408,721 km (0.075 R)
• M14: 11,396,216 km (0.11 R)
• M15: 11,912,927 km (0.098 R)
• M16: 13,453,187 km (0.087 R)
• M17: 14,190,555 km (0.086 R)
• M18: 17,105,769 km (0.065 R)
• M19: 21,019,847 km (0.11 R)
• M20: 21,654,142 km (0.106 R)
• M21: 22,446,861 km (0.051 R)
• M22: 24,319,976 km (0.093 R)
• M23: 24,940,807 km (0.057 R)
• M24: 25,413,387 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.6

Radius: 3.7

Gravity: 41.24 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.45 AU - 5.99 AU

Year: 9443 Days

Day: 16.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,797,675 km

• M1: 47,871 km (0.097 R)
• M2: 183,257 km (0.113 R)
• M3: 347,067 km (0.06 R)
• M4: 621,280 km (0.102 R)
• M5: 771,027 km (0.12 R)
• M6: 925,263 km (0.104 R)
• M7: 1,078,152 km (0.104 R)
• M8: 1,515,726 km (0.074 R)
• M9: 1,820,456 km (0.116 R)
• M10: 2,417,053 km (0.114 R)
• M11: 2,895,317 km (0.116 R)
• M12: 3,457,656 km (0.067 R)
• M13: 5,545,144 km (0.066 R)
• M14: 7,798,238 km (0.061 R)
• M15: 8,965,849 km (0.109 R)
• M16: 9,426,311 km (0.041 R)
• M17: 10,545,004 km (0.1 R)
• M18: 14,740,626 km (0.026 R)
• M19: 17,841,491 km (0.065 R)
• M20: 18,790,689 km (0.045 R)
• M21: 19,089,436 km (0.095 R)
• M22: 20,159,959 km (0.081 R)
• M23: 26,489,295 km (0.034 R)
• M24: 28,402,353 km (0.111 R)
• M25: 30,817,311 km (0.077 R)
• M26: 42,740,261 km (0.082 R)
• M27: 42,998,018 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.6

Radius: 4.5

Gravity: 33.21 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.13 AU - 8.45 AU

Year: 12213 Days

Day: 23.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,797,675 km

• M1: 56,099 km (0.107 R)
• M2: 214,972 km (0.052 R)
• M3: 378,333 km (0.087 R)
• M4: 538,253 km (0.064 R)
• M5: 708,944 km (0.072 R)
• M6: 989,889 km (0.12 R)
• M7: 2,045,900 km (0.063 R)
• M8: 2,530,149 km (0.082 R)
• M9: 2,721,933 km (0.077 R)
• M10: 2,877,964 km (0.115 R)
• M11: 3,998,901 km (0.085 R)
• M12: 4,200,858 km (0.118 R)
• M13: 6,771,847 km (0.097 R)
• M14: 8,014,856 km (0.069 R)
• M15: 8,955,826 km (0.091 R)
• M16: 14,444,722 km (0.098 R)
• M17: 14,989,407 km (0.114 R)
• M18: 17,687,405 km (0.112 R)
• M19: 19,683,190 km (0.089 R)
• M20: 21,384,118 km (0.062 R)
• M21: 23,458,293 km (0.104 R)
• M22: 32,056,131 km (0.061 R)
• M23: 34,282,446 km (0.067 R)
• M24: 36,359,912 km (0.066 R)
• M25: 53,945,591 km (0.104 R)
• M26: 54,433,429 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.5

Radius: 7

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.31 AU - 8.93 AU

Year: 14519 Days

Day: 16.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,797,675 km

• M1: 87,216 km (0.029 R)
• M2: 341,831 km (0.06 R)
• M3: 600,935 km (0.053 R)
• M4: 1,879,847 km (0.051 R)
• M5: 2,199,687 km (0.111 R)
• M6: 2,534,786 km (0.05 R)
• M7: 3,748,474 km (0.109 R)
• M8: 4,843,530 km (0.097 R)
• M9: 7,560,078 km (0.108 R)
• M10: 7,958,756 km (0.106 R)
• M11: 9,850,421 km (0.032 R)
• M12: 10,326,143 km (0.078 R)
• M13: 10,761,772 km (0.109 R)
• M14: 10,984,074 km (0.113 R)
• M15: 11,786,816 km (0.09 R)
• M16: 13,189,296 km (0.093 R)
• M17: 15,959,550 km (0.105 R)
• M18: 16,321,876 km (0.111 R)
• M19: 16,689,737 km (0.101 R)
• M20: 22,892,214 km (0.097 R)
• M21: 23,260,524 km (0.107 R)
• M22: 26,050,076 km (0.114 R)
• M23: 31,483,021 km (0.093 R)
• M24: 31,938,697 km (0.117 R)
• M25: 32,630,138 km (0.1 R)
• M26: 41,998,705 km (0.104 R)
• M27: 42,274,114 km (0.066 R)
• M28: 43,247,697 km (0.092 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: 466 - 14,527 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit