🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.9

Radius: 12

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.47 AU - 0.67 AU

Year: 302 Days

Day: 10.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 11,625,833 km

• M1: 149,299 km (0.118 R)
• M2: 610,659 km (0.039 R)
• M3: 1,010,384 km (0.111 R)
• M4: 1,497,026 km (0.061 R)
• M5: 1,943,875 km (0.048 R)
• M6: 2,887,538 km (0.116 R)
• M7: 3,296,090 km (0.092 R)
• M8: 4,376,336 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.5

Radius: 9.9

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.29 AU - 1.87 AU

Year: 1396 Days

Day: 8.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 71.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 11,625,833 km

• M1: 123,119 km (0.055 R)
• M2: 461,509 km (0.068 R)
• M3: 780,452 km (0.11 R)
• M4: 1,452,745 km (0.112 R)
• M5: 2,485,868 km (0.118 R)
• M6: 2,867,791 km (0.092 R)
• M7: 3,934,723 km (0.081 R)
• M8: 5,078,249 km (0.077 R)
• M9: 6,651,271 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.2

Radius: 14.7

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.95 AU - 2.45 AU

Year: 2294 Days

Day: 5.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 11,625,833 km

• M1: 182,809 km (0.114 R)
• M2: 754,123 km (0.077 R)
• M3: 1,262,905 km (0.102 R)
• M4: 1,824,496 km (0.12 R)
• M5: 3,347,103 km (0.084 R)
• M6: 4,852,207 km (0.096 R)
• M7: 5,869,323 km (0.086 R)
• M8: 8,913,789 km (0.044 R)
• M9: 9,815,116 km (0.106 R)
• M10: 10,338,110 km (0.076 R)
• M11: 10,845,247 km (0.098 R)
• M12: 12,316,841 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210

Radius: 12.9

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.06 AU - 2.58 AU

Year: 2484 Days

Day: 5.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 11,625,833 km

• M1: 164,707 km (0.064 R)
• M2: 763,697 km (0.092 R)
• M3: 3,008,862 km (0.081 R)
• M4: 3,607,702 km (0.118 R)
• M5: 4,906,810 km (0.09 R)
• M6: 5,850,623 km (0.1 R)
• M7: 7,088,246 km (0.099 R)
• M8: 8,754,467 km (0.083 R)
• M9: 10,735,442 km (0.054 R)
• M10: 11,705,734 km (0.1 R)
• M11: 12,285,875 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.2

Radius: 14.8

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.48 AU - 3 AU

Year: 3188 Days

Day: 6.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 11,625,833 km

• M1: 216,319 km (0.117 R)
• M2: 774,468 km (0.071 R)
• M3: 1,812,229 km (0.04 R)
• M4: 2,927,032 km (0.065 R)
• M5: 4,275,956 km (0.082 R)
• M6: 5,049,676 km (0.108 R)
• M7: 6,752,399 km (0.098 R)
• M8: 8,457,067 km (0.054 R)
• M9: 10,266,453 km (0.106 R)
• M10: 12,895,935 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.5

Radius: 11.1

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.42 AU - 3.08 AU

Year: 3206 Days

Day: 13.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 11,625,833 km

• M1: 138,378 km (0.026 R)
• M2: 668,553 km (0.053 R)
• M3: 1,060,799 km (0.079 R)
• M4: 1,417,889 km (0.073 R)
• M5: 2,001,919 km (0.079 R)
• M6: 2,515,039 km (0.109 R)
• M7: 2,948,125 km (0.044 R)
• M8: 3,768,670 km (0.1 R)
• M9: 4,317,395 km (0.096 R)
• M10: 6,125,883 km (0.095 R)
• M11: 6,597,715 km (0.057 R)
• M12: 6,945,231 km (0.101 R)
• M13: 7,645,798 km (0.091 R)
• M14: 8,226,387 km (0.112 R)
• M15: 9,081,189 km (0.064 R)
• M16: 9,439,476 km (0.116 R)
• M17: 17,235,171 km (0.118 R)
• M18: 19,684,985 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.5

Radius: 10.7

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.29 AU - 3.77 AU

Year: 3707 Days

Day: 10.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 11,625,833 km

• M1: 133,292 km (0.041 R)
• M2: 515,664 km (0.103 R)
• M3: 917,783 km (0.089 R)
• M4: 1,413,849 km (0.07 R)
• M5: 1,935,198 km (0.106 R)
• M6: 3,027,861 km (0.104 R)
• M7: 3,445,239 km (0.12 R)
• M8: 4,098,982 km (0.068 R)
• M9: 5,625,478 km (0.088 R)
• M10: 6,111,522 km (0.063 R)
• M11: 6,656,656 km (0.119 R)
• M12: 8,415,030 km (0.112 R)
• M13: 8,899,129 km (0.089 R)
• M14: 9,599,995 km (0.119 R)
• M15: 10,893,119 km (0.076 R)
• M16: 11,649,785 km (0.03 R)
• M17: 12,298,890 km (0.104 R)
• M18: 13,267,835 km (0.078 R)
• M19: 16,827,965 km (0.119 R)
• M20: 17,657,635 km (0.032 R)
• M21: 18,826,892 km (0.092 R)
• M22: 19,720,889 km (0.119 R)
• M23: 21,182,759 km (0.118 R)
• M24: 21,593,705 km (0.064 R)
• M25: 22,573,272 km (0.114 R)
• M26: 22,930,212 km (0.08 R)
• M27: 24,771,911 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.9

Radius: 14.5

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.77 AU - 3.67 AU

Year: 4062 Days

Day: 9.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 11,625,833 km

• M1: 180,415 km (0.075 R)
• M2: 687,402 km (0.114 R)
• M3: 1,244,505 km (0.088 R)
• M4: 2,150,170 km (0.108 R)
• M5: 3,078,425 km (0.107 R)
• M6: 3,750,867 km (0.062 R)
• M7: 4,376,935 km (0.117 R)
• M8: 4,891,850 km (0.083 R)
• M9: 5,392,405 km (0.116 R)
• M10: 6,044,502 km (0.041 R)
• M11: 7,610,193 km (0.111 R)
• M12: 9,552,572 km (0.104 R)
• M13: 10,467,064 km (0.091 R)
• M14: 11,760,786 km (0.077 R)
• M15: 12,326,266 km (0.086 R)
• M16: 13,410,552 km (0.113 R)
• M17: 14,080,451 km (0.043 R)
• M18: 14,881,099 km (0.081 R)
• M19: 17,648,958 km (0.052 R)
• M20: 20,473,217 km (0.03 R)
• M21: 21,431,690 km (0.116 R)
• M22: 22,348,426 km (0.085 R)
• M23: 24,411,530 km (0.099 R)
• M24: 25,023,685 km (0.084 R)
• M25: 26,679,434 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.7

Radius: 9

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.93 AU - 3.53 AU

Year: 4080 Days

Day: 12.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 11,625,833 km

• M1: 154,834 km (0.118 R)
• M2: 507,137 km (0.103 R)
• M3: 837,748 km (0.089 R)
• M4: 1,835,865 km (0.083 R)
• M5: 2,244,267 km (0.089 R)
• M6: 2,963,683 km (0.042 R)
• M7: 4,665,060 km (0.056 R)
• M8: 5,984,962 km (0.104 R)
• M9: 7,563,968 km (0.116 R)
• M10: 7,985,086 km (0.11 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 19,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit