🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.4

Radius: 8.7

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.58 AU - 0.88 AU

Year: 416 Days

Day: 14.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,761,042 km

• M1: 108,309 km (0.04 R)
• M2: 527,632 km (0.114 R)
• M3: 825,930 km (0.096 R)
• M4: 1,300,903 km (0.109 R)
• M5: 1,573,022 km (0.102 R)
• M6: 1,843,794 km (0.11 R)
• M7: 2,272,392 km (0.117 R)
• M8: 2,672,267 km (0.098 R)
• M9: 3,016,641 km (0.033 R)
• M10: 3,834,642 km (0.095 R)
• M11: 4,147,302 km (0.075 R)
• M12: 4,447,545 km (0.108 R)
• M13: 4,762,448 km (0.03 R)
• M14: 5,745,007 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.5

Radius: 11.3

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.56 AU - 0.92 AU

Year: 424 Days

Day: 7.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,761,042 km

• M1: 140,622 km (0.041 R)
• M2: 523,144 km (0.083 R)
• M3: 899,382 km (0.108 R)
• M4: 1,316,910 km (0.118 R)
• M5: 1,673,402 km (0.054 R)
• M6: 2,277,029 km (0.115 R)
• M7: 2,644,741 km (0.048 R)
• M8: 3,560,130 km (0.065 R)
• M9: 4,149,396 km (0.094 R)
• M10: 4,563,782 km (0.076 R)
• M11: 4,918,030 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.5

Radius: 9

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.89 AU - 1.25 AU

Year: 738 Days

Day: 14.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,761,042 km

• M1: 111,899 km (0.06 R)
• M2: 433,983 km (0.052 R)
• M3: 723,605 km (0.077 R)
• M4: 1,448,407 km (0.056 R)
• M5: 1,793,230 km (0.103 R)
• M6: 2,485,569 km (0.119 R)
• M7: 3,334,836 km (0.087 R)
• M8: 3,856,783 km (0.098 R)
• M9: 4,260,398 km (0.112 R)
• M10: 4,650,399 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.4

Radius: 13

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.66 AU - 2.06 AU

Year: 1692 Days

Day: 13.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,761,042 km

• M1: 163,062 km (0.09 R)
• M2: 574,755 km (0.063 R)
• M3: 1,056,610 km (0.109 R)
• M4: 2,249,802 km (0.052 R)
• M5: 2,669,724 km (0.097 R)
• M6: 3,285,468 km (0.095 R)
• M7: 3,706,437 km (0.077 R)
• M8: 4,278,649 km (0.073 R)
• M9: 4,803,588 km (0.05 R)
• M10: 5,348,872 km (0.031 R)
• M11: 6,008,299 km (0.106 R)
• M12: 8,134,683 km (0.098 R)
• M13: 9,468,049 km (0.113 R)
• M14: 9,874,656 km (0.079 R)
• M15: 10,686,524 km (0.084 R)
• M16: 13,689,103 km (0.12 R)
• M17: 14,430,659 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64

Radius: 8.3

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.09 AU - 6.15 AU

Year: 8885 Days

Day: 10.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,761,042 km

• M1: 103,223 km (0.08 R)
• M2: 523,593 km (0.084 R)
• M3: 821,891 km (0.106 R)
• M4: 1,244,505 km (0.102 R)
• M5: 1,563,747 km (0.08 R)
• M6: 2,834,730 km (0.112 R)
• M7: 3,287,264 km (0.063 R)
• M8: 3,787,220 km (0.115 R)
• M9: 9,161,972 km (0.117 R)
• M10: 9,556,761 km (0.106 R)
• M11: 10,968,815 km (0.1 R)
• M12: 11,414,168 km (0.037 R)
• M13: 12,211,824 km (0.045 R)
• M14: 15,523,472 km (0.052 R)
• M15: 16,033,451 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.3

Radius: 3.7

Gravity: 62.55 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.19 AU - 7.39 AU

Year: 13126 Days

Day: 20.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 45,761,042 km

• M1: 46,375 km (0.098 R)
• M2: 212,130 km (0.115 R)
• M3: 334,052 km (0.085 R)
• M4: 1,906,625 km (0.057 R)
• M5: 2,268,801 km (0.117 R)
• M6: 2,652,819 km (0.032 R)
• M7: 3,800,534 km (0.058 R)
• M8: 5,102,335 km (0.094 R)
• M9: 5,758,022 km (0.081 R)
• M10: 5,988,403 km (0.116 R)
• M11: 6,972,458 km (0.044 R)
• M12: 7,593,738 km (0.102 R)
• M13: 8,494,765 km (0.091 R)
• M14: 10,620,252 km (0.055 R)
• M15: 10,966,870 km (0.053 R)
• M16: 11,621,959 km (0.104 R)
• M17: 15,219,788 km (0.119 R)
• M18: 18,483,415 km (0.115 R)
• M19: 18,732,945 km (0.112 R)
• M20: 19,238,735 km (0.091 R)
• M21: 21,171,240 km (0.087 R)
• M22: 22,277,965 km (0.09 R)
• M23: 23,911,125 km (0.069 R)
• M24: 24,108,295 km (0.11 R)
• M25: 26,245,301 km (0.074 R)
• M26: 26,878,249 km (0.095 R)
• M27: 30,081,738 km (0.115 R)
• M28: 30,658,588 km (0.094 R)
• M29: 33,039,737 km (0.082 R)
• M30: 34,904,624 km (0.099 R)
• M31: 41,768,324 km (0.099 R)
• M32: 42,775,417 km (0.116 R)
• M33: 43,211,943 km (0.055 R)
• M34: 56,150,214 km (0.036 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215

Radius: 3.3

Gravity: 19.74 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 7.37 AU - 10.91 AU

Year: 18427 Days

Day: 24.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,761,042 km

• M1: 41,289 km (0.071 R)
• M2: 212,878 km (0.071 R)
• M3: 547,827 km (0.027 R)
• M4: 692,189 km (0.07 R)
• M5: 930,948 km (0.097 R)
• M6: 1,614,161 km (0.091 R)
• M7: 1,799,064 km (0.042 R)
• M8: 2,084,946 km (0.118 R)
• M9: 2,498,883 km (0.09 R)
• M10: 2,704,281 km (0.107 R)
• M11: 2,942,889 km (0.094 R)
• M12: 3,512,259 km (0.114 R)
• M13: 3,665,447 km (0.081 R)
• M14: 4,896,488 km (0.103 R)
• M15: 5,902,833 km (0.043 R)
• M16: 9,196,380 km (0.039 R)
• M17: 13,914,397 km (0.088 R)
• M18: 15,559,076 km (0.109 R)
• M19: 15,764,773 km (0.104 R)
• M20: 16,392,785 km (0.119 R)
• M21: 19,544,812 km (0.069 R)
• M22: 27,610,232 km (0.101 R)
• M23: 28,419,107 km (0.115 R)
• M24: 29,243,541 km (0.079 R)
• M25: 31,156,749 km (0.073 R)
• M26: 47,507,796 km (0.112 R)
• M27: 48,814,234 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.1

Radius: 6.1

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.73 AU - 10.89 AU

Year: 18943 Days

Day: 20.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,761,042 km

• M1: 75,996 km (0.116 R)
• M2: 404,363 km (0.079 R)
• M3: 1,036,414 km (0.068 R)
• M4: 1,346,680 km (0.114 R)
• M5: 4,879,883 km (0.067 R)
• M6: 10,192,552 km (0.113 R)
• M7: 12,449,236 km (0.058 R)
• M8: 13,329,918 km (0.114 R)
• M9: 13,632,555 km (0.095 R)
• M10: 14,759,924 km (0.11 R)
• M11: 23,554,484 km (0.106 R)
• M12: 35,534,431 km (0.119 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 17,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit