🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.1

Radius: 12.8

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.7 AU - 0.86 AU

Year: 452 Days

Day: 8.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 56,398,585 km

• M1: 159,771 km (0.107 R)
• M2: 467,793 km (0.105 R)
• M3: 1,420,133 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.1

Radius: 8.6

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.39 AU - 1.45 AU

Year: 1110 Days

Day: 14.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,398,585 km

• M1: 110,104 km (0.093 R)
• M2: 289,771 km (0.045 R)
• M3: 529,128 km (0.119 R)
• M4: 852,708 km (0.095 R)
• M5: 1,168,210 km (0.116 R)
• M6: 1,422,077 km (0.118 R)
• M7: 1,861,147 km (0.052 R)
• M8: 2,280,769 km (0.073 R)
• M9: 2,542,117 km (0.111 R)
• M10: 2,727,468 km (0.075 R)
• M11: 3,032,498 km (0.08 R)
• M12: 3,414,721 km (0.058 R)
• M13: 3,640,614 km (0.063 R)
• M14: 4,070,558 km (0.108 R)
• M15: 4,571,861 km (0.12 R)
• M16: 4,821,689 km (0.09 R)
• M17: 5,392,704 km (0.115 R)
• M18: 5,638,045 km (0.104 R)
• M19: 5,996,331 km (0.114 R)
• M20: 6,421,489 km (0.083 R)
• M21: 6,732,203 km (0.075 R)
• M22: 6,904,839 km (0.097 R)
• M23: 7,511,459 km (0.117 R)
• M24: 7,755,303 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.1

Radius: 10.6

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.87 AU - 2.39 AU

Year: 2039 Days

Day: 8.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,398,585 km

• M1: 204,799 km (0.044 R)
• M2: 551,418 km (0.077 R)
• M3: 1,017,565 km (0.114 R)
• M4: 1,318,256 km (0.09 R)
• M5: 1,840,353 km (0.098 R)
• M6: 2,950,519 km (0.105 R)
• M7: 3,302,223 km (0.058 R)
• M8: 4,160,317 km (0.032 R)
• M9: 4,384,863 km (0.091 R)
• M10: 4,652,494 km (0.041 R)
• M11: 4,890,205 km (0.107 R)
• M12: 5,251,783 km (0.116 R)
• M13: 5,943,972 km (0.046 R)
• M14: 6,415,355 km (0.06 R)
• M15: 7,226,325 km (0.114 R)
• M16: 8,384,213 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.3

Radius: 13.1

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.83 AU - 2.95 AU

Year: 2424 Days

Day: 14 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,398,585 km

• M1: 166,054 km (0.085 R)
• M2: 422,614 km (0.108 R)
• M3: 929,601 km (0.093 R)
• M4: 1,265,149 km (0.073 R)
• M5: 1,618,948 km (0.092 R)
• M6: 1,974,841 km (0.065 R)
• M7: 2,622,301 km (0.096 R)
• M8: 5,215,580 km (0.109 R)
• M9: 5,882,487 km (0.09 R)
• M10: 6,220,728 km (0.119 R)
• M11: 6,768,705 km (0.045 R)
• M12: 7,863,014 km (0.065 R)
• M13: 8,732,477 km (0.117 R)
• M14: 9,197,726 km (0.118 R)
• M15: 9,488,095 km (0.116 R)
• M16: 10,922,889 km (0.083 R)
• M17: 11,414,168 km (0.116 R)
• M18: 12,277,647 km (0.087 R)
• M19: 12,736,763 km (0.09 R)
• M20: 13,552,969 km (0.113 R)
• M21: 14,361,844 km (0.102 R)
• M22: 15,025,909 km (0.119 R)
• M23: 15,295,933 km (0.046 R)
• M24: 16,085,511 km (0.109 R)
• M25: 16,505,432 km (0.036 R)
• M26: 18,202,620 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655

Radius: 13.6

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.92 AU - 2.94 AU

Year: 2485 Days

Day: 10.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,398,585 km

• M1: 201,808 km (0.063 R)
• M2: 672,742 km (0.106 R)
• M3: 1,000,361 km (0.042 R)
• M4: 2,619,758 km (0.105 R)
• M5: 3,339,324 km (0.118 R)
• M6: 4,185,599 km (0.08 R)
• M7: 5,384,327 km (0.061 R)
• M8: 6,010,992 km (0.03 R)
• M9: 7,911,633 km (0.116 R)
• M10: 8,596,342 km (0.083 R)
• M11: 15,418,305 km (0.105 R)
• M12: 15,892,231 km (0.069 R)
• M13: 16,304,223 km (0.109 R)
• M14: 17,860,191 km (0.084 R)
• M15: 18,150,859 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.3

Radius: 9.7

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.45 AU - 3.27 AU

Year: 3173 Days

Day: 13.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,398,585 km

• M1: 122,670 km (0.117 R)
• M2: 354,697 km (0.097 R)
• M3: 606,320 km (0.047 R)
• M4: 1,039,855 km (0.053 R)
• M5: 1,255,575 km (0.104 R)
• M6: 1,493,884 km (0.102 R)
• M7: 2,188,916 km (0.092 R)
• M8: 3,679,509 km (0.051 R)
• M9: 4,235,565 km (0.067 R)
• M10: 5,105,626 km (0.117 R)
• M11: 5,407,365 km (0.087 R)
• M12: 5,930,060 km (0.099 R)
• M13: 6,522,168 km (0.102 R)
• M14: 6,771,548 km (0.101 R)
• M15: 7,119,363 km (0.052 R)
• M16: 7,404,047 km (0.086 R)
• M17: 7,694,417 km (0.103 R)
• M18: 8,015,304 km (0.09 R)
• M19: 8,729,185 km (0.047 R)
• M20: 9,177,680 km (0.118 R)
• M21: 10,165,026 km (0.051 R)
• M22: 11,560,923 km (0.057 R)
• M23: 13,079,641 km (0.051 R)
• M24: 13,304,337 km (0.114 R)
• M25: 13,530,978 km (0.065 R)
• M26: 13,759,414 km (0.106 R)
• M27: 14,356,010 km (0.088 R)
• M28: 14,794,781 km (0.042 R)
• M29: 15,832,691 km (0.102 R)
• M30: 18,735,637 km (0.038 R)
• M31: 19,314,581 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.7

Radius: 8.7

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.69 AU - 5.49 AU

Year: 6451 Days

Day: 8.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,398,585 km

• M1: 126,410 km (0.05 R)
• M2: 629,059 km (0.098 R)
• M3: 981,960 km (0.111 R)
• M4: 1,280,259 km (0.115 R)
• M5: 2,280,620 km (0.064 R)
• M6: 3,751,167 km (0.08 R)
• M7: 5,498,470 km (0.117 R)
• M8: 7,027,210 km (0.051 R)
• M9: 8,267,676 km (0.059 R)
• M10: 8,772,120 km (0.074 R)
• M11: 11,026,709 km (0.073 R)
• M12: 11,816,137 km (0.105 R)
• M13: 12,297,095 km (0.116 R)
• M14: 16,704,547 km (0.1 R)
• M15: 18,597,708 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.9

Radius: 4.2

Gravity: 23.46 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 8.39 AU - 11.91 AU

Year: 21213 Days

Day: 16.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 56,398,585 km

• M1: 56,548 km (0.104 R)
• M2: 212,728 km (0.109 R)
• M3: 292,913 km (0.108 R)
• M4: 469,438 km (0.089 R)
• M5: 846,425 km (0.043 R)
• M6: 983,008 km (0.087 R)
• M7: 1,381,237 km (0.099 R)
• M8: 1,785,002 km (0.098 R)
• M9: 1,961,527 km (0.075 R)
• M10: 3,028,459 km (0.092 R)
• M11: 4,433,333 km (0.05 R)
• M12: 4,571,262 km (0.045 R)
• M13: 6,559,717 km (0.099 R)
• M14: 7,332,240 km (0.037 R)
• M15: 10,535,430 km (0.064 R)
• M16: 10,748,308 km (0.073 R)
• M17: 11,788,462 km (0.072 R)
• M18: 12,013,607 km (0.081 R)
• M19: 12,994,370 km (0.117 R)
• M20: 14,882,295 km (0.115 R)
• M21: 16,102,864 km (0.097 R)
• M22: 23,798,478 km (0.118 R)
• M23: 23,878,214 km (0.066 R)
• M24: 24,440,253 km (0.11 R)
• M25: 28,732,515 km (0.069 R)
• M26: 29,704,004 km (0.054 R)
• M27: 29,971,634 km (0.119 R)
• M28: 30,240,611 km (0.117 R)
• M29: 31,419,891 km (0.112 R)
• M30: 33,184,099 km (0.119 R)
• M31: 36,363,054 km (0.118 R)
• M32: 39,584,793 km (0.067 R)
• M33: 39,997,085 km (0.107 R)
• M34: 40,307,650 km (0.088 R)
• M35: 43,804,351 km (0.055 R)
• M36: 43,912,510 km (0.034 R)
• M37: 45,772,909 km (0.097 R)
• M38: 47,671,905 km (0.043 R)
• M39: 48,237,833 km (0.044 R)
• M40: 55,167,656 km (0.119 R)
• M41: 56,511,194 km (0.078 R)
• M42: 56,634,014 km (0.095 R)
• M43: 59,372,553 km (0.106 R)
• M44: 60,003,856 km (0.068 R)
• M45: 60,130,565 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.7

Radius: 6

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 8.33 AU - 12.87 AU

Year: 22640 Days

Day: 23.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,398,585 km

• M1: 155,881 km (0.094 R)
• M2: 561,740 km (0.062 R)
• M3: 899,233 km (0.1 R)
• M4: 1,480,720 km (0.08 R)
• M5: 1,608,028 km (0.078 R)
• M6: 1,940,284 km (0.056 R)
• M7: 4,334,150 km (0.118 R)
• M8: 5,383,130 km (0.088 R)
• M9: 5,950,854 km (0.085 R)
• M10: 7,660,907 km (0.115 R)
• M11: 9,086,425 km (0.105 R)
• M12: 14,609,878 km (0.077 R)
• M13: 19,880,959 km (0.07 R)
• M14: 20,081,719 km (0.073 R)
• M15: 25,434,032 km (0.032 R)
• M16: 28,547,612 km (0.049 R)
• M17: 32,692,969 km (0.085 R)
• M18: 38,596,251 km (0.065 R)
• M19: 40,101,205 km (0.112 R)
• M20: 41,828,761 km (0.054 R)
• M21: 43,099,147 km (0.048 R)
• M22: 44,388,531 km (0.045 R)
• M23: 45,595,636 km (0.091 R)
• M24: 50,054,550 km (0.094 R)
• M25: 50,479,857 km (0.048 R)
• M26: 51,443,417 km (0.099 R)
• M27: 52,416,252 km (0.093 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: 510 - 18,650 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit