🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.87 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.5

Radius: 13.1

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.18 AU - 4.3 AU

Year: 4823 Days

Day: 9.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,866,382 km

• M1: 166,652 km (0.098 R)
• M2: 582,085 km (0.117 R)
• M3: 1,073,514 km (0.118 R)
• M4: 1,848,880 km (0.028 R)
• M5: 3,280,233 km (0.082 R)
• M6: 6,872,227 km (0.107 R)
• M7: 8,287,572 km (0.093 R)
• M8: 9,189,498 km (0.048 R)
• M9: 9,813,920 km (0.113 R)
• M10: 10,232,943 km (0.098 R)
• M11: 11,147,884 km (0.097 R)
• M12: 14,858,360 km (0.094 R)
• M13: 18,274,277 km (0.065 R)
• M14: 19,680,497 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.4

Radius: 11.8

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.87 AU - 3.89 AU

Year: 5097 Days

Day: 12.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,866,382 km

• M1: 146,905 km (0.077 R)
• M2: 524,490 km (0.072 R)
• M3: 906,563 km (0.08 R)
• M4: 1,694,196 km (0.1 R)
• M5: 2,099,157 km (0.116 R)
• M6: 2,639,355 km (0.077 R)
• M7: 3,792,007 km (0.092 R)
• M8: 4,520,698 km (0.114 R)
• M9: 4,918,928 km (0.072 R)
• M10: 5,665,122 km (0.08 R)
• M11: 6,256,931 km (0.117 R)
• M12: 6,685,379 km (0.107 R)
• M13: 7,310,998 km (0.099 R)
• M14: 10,211,999 km (0.094 R)
• M15: 12,068,060 km (0.087 R)
• M16: 12,996,614 km (0.093 R)
• M17: 13,641,680 km (0.082 R)
• M18: 16,375,881 km (0.118 R)
• M19: 18,035,968 km (0.076 R)
• M20: 20,877,580 km (0.074 R)
• M21: 22,981,674 km (0.114 R)
• M22: 25,306,275 km (0.101 R)
• M23: 31,459,684 km (0.076 R)
• M24: 32,819,529 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308

Radius: 10.7

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.79 AU - 4.03 AU

Year: 5156 Days

Day: 8.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,866,382 km

• M1: 133,142 km (0.077 R)
• M2: 522,396 km (0.098 R)
• M3: 924,216 km (0.118 R)
• M4: 1,590,973 km (0.03 R)
• M5: 2,418,399 km (0.096 R)
• M6: 2,980,588 km (0.116 R)
• M7: 3,789,164 km (0.089 R)
• M8: 4,300,490 km (0.034 R)
• M9: 5,332,117 km (0.077 R)
• M10: 5,864,985 km (0.049 R)
• M11: 7,482,736 km (0.081 R)
• M12: 8,289,966 km (0.081 R)
• M13: 8,969,440 km (0.044 R)
• M14: 9,958,880 km (0.079 R)
• M15: 11,231,808 km (0.114 R)
• M16: 12,983,599 km (0.064 R)
• M17: 15,487,120 km (0.077 R)
• M18: 17,651,053 km (0.053 R)
• M19: 19,695,906 km (0.114 R)
• M20: 21,960,967 km (0.083 R)
• M21: 22,913,756 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.4

Radius: 10.8

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.05 AU - 4.95 AU

Year: 5335 Days

Day: 7.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,866,382 km

• M1: 134,488 km (0.118 R)
• M2: 489,335 km (0.059 R)
• M3: 833,111 km (0.026 R)
• M4: 1,380,190 km (0.113 R)
• M5: 1,861,147 km (0.11 R)
• M6: 2,201,781 km (0.101 R)
• M7: 3,424,146 km (0.111 R)
• M8: 5,783,902 km (0.079 R)
• M9: 6,551,938 km (0.066 R)
• M10: 7,010,904 km (0.048 R)
• M11: 7,491,263 km (0.046 R)
• M12: 15,384,346 km (0.031 R)
• M13: 15,903,600 km (0.112 R)
• M14: 20,007,219 km (0.11 R)
• M15: 21,045,578 km (0.098 R)
• M16: 22,192,545 km (0.079 R)
• M17: 24,532,405 km (0.07 R)
• M18: 28,215,056 km (0.048 R)
• M19: 29,255,958 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.6

Radius: 10.8

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.8 AU - 4.7 AU

Year: 5843 Days

Day: 11.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,866,382 km

• M1: 147,653 km (0.104 R)
• M2: 978,370 km (0.049 R)
• M3: 2,557,824 km (0.093 R)
• M4: 3,930,385 km (0.081 R)
• M5: 4,469,087 km (0.079 R)
• M6: 9,485,702 km (0.066 R)
• M7: 11,608,645 km (0.087 R)
• M8: 13,133,197 km (0.03 R)
• M9: 14,832,330 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.8

Radius: 10

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.74 AU - 5.76 AU

Year: 8022 Days

Day: 14 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,866,382 km

• M1: 124,316 km (0.068 R)
• M2: 1,371,663 km (0.064 R)
• M3: 1,861,895 km (0.069 R)
• M4: 2,450,862 km (0.102 R)
• M5: 2,823,510 km (0.066 R)
• M6: 4,043,481 km (0.119 R)
• M7: 7,924,498 km (0.09 R)
• M8: 8,526,181 km (0.074 R)
• M9: 9,780,559 km (0.091 R)
• M10: 10,938,148 km (0.029 R)
• M11: 13,326,627 km (0.108 R)
• M12: 17,005,987 km (0.108 R)
• M13: 18,736,685 km (0.074 R)
• M14: 21,111,401 km (0.097 R)
• M15: 21,582,186 km (0.116 R)
• M16: 24,481,991 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.2

Radius: 8.9

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.07 AU - 6.43 AU

Year: 8022 Days

Day: 10.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,866,382 km

• M1: 110,702 km (0.041 R)
• M2: 555,906 km (0.073 R)
• M3: 1,193,342 km (0.077 R)
• M4: 1,483,113 km (0.05 R)
• M5: 2,545,258 km (0.081 R)
• M6: 2,838,620 km (0.099 R)
• M7: 4,098,084 km (0.107 R)
• M8: 4,529,375 km (0.085 R)
• M9: 4,990,884 km (0.098 R)
• M10: 5,850,174 km (0.042 R)
• M11: 6,200,832 km (0.107 R)
• M12: 6,701,685 km (0.026 R)
• M13: 7,558,732 km (0.096 R)
• M14: 8,689,841 km (0.119 R)
• M15: 10,803,958 km (0.053 R)
• M16: 11,235,548 km (0.094 R)
• M17: 15,231,606 km (0.105 R)
• M18: 16,834,996 km (0.1 R)
• M19: 17,220,360 km (0.116 R)
• M20: 18,412,057 km (0.094 R)
• M21: 20,301,478 km (0.112 R)
• M22: 20,591,997 km (0.114 R)
• M23: 20,959,110 km (0.078 R)
• M24: 21,630,805 km (0.116 R)
• M25: 25,206,194 km (0.065 R)
• M26: 25,710,937 km (0.095 R)
• M27: 26,051,123 km (0.054 R)
• M28: 28,336,081 km (0.056 R)
• M29: 29,157,373 km (0.099 R)
• M30: 31,716,095 km (0.087 R)
• M31: 32,403,048 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.4

Radius: 11.1

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.98 AU - 6.06 AU

Year: 8648 Days

Day: 13.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,866,382 km

• M1: 138,079 km (0.081 R)
• M2: 542,591 km (0.038 R)
• M3: 948,151 km (0.098 R)
• M4: 1,422,377 km (0.071 R)
• M5: 1,794,875 km (0.094 R)
• M6: 2,182,932 km (0.1 R)
• M7: 2,882,003 km (0.091 R)
• M8: 4,099,730 km (0.044 R)
• M9: 6,909,626 km (0.06 R)
• M10: 8,370,150 km (0.059 R)
• M11: 9,513,228 km (0.095 R)
• M12: 10,266,752 km (0.054 R)
• M13: 11,892,582 km (0.077 R)
• M14: 12,766,981 km (0.096 R)
• M15: 14,521,316 km (0.094 R)
• M16: 17,308,623 km (0.054 R)
• M17: 18,004,553 km (0.057 R)
• M18: 19,304,408 km (0.095 R)
• M19: 19,977,150 km (0.119 R)
• M20: 20,976,613 km (0.097 R)
• M21: 23,663,242 km (0.088 R)
• M22: 26,663,128 km (0.094 R)
• M23: 28,254,251 km (0.096 R)
• M24: 31,624,691 km (0.091 R)
• M25: 37,284,277 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.6

Radius: 5.3

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 8.52 AU - 9.2 AU

Year: 17587 Days

Day: 22.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,866,382 km

• M1: 67,917 km (0.112 R)
• M2: 286,181 km (0.067 R)
• M3: 545,583 km (0.045 R)
• M4: 800,049 km (0.103 R)
• M5: 986,897 km (0.085 R)
• M6: 2,249,054 km (0.098 R)
• M7: 3,068,252 km (0.066 R)
• M8: 3,431,177 km (0.116 R)
• M9: 3,688,485 km (0.069 R)
• M10: 4,418,523 km (0.097 R)
• M11: 7,307,557 km (0.048 R)
• M12: 8,267,975 km (0.065 R)
• M13: 9,114,250 km (0.084 R)
• M14: 17,909,707 km (0.118 R)
• M15: 20,887,004 km (0.087 R)
• M16: 21,056,648 km (0.114 R)
• M17: 21,919,230 km (0.064 R)
• M18: 25,897,635 km (0.098 R)
• M19: 27,901,798 km (0.034 R)
• M20: 29,791,967 km (0.09 R)
• M21: 31,319,810 km (0.117 R)
• M22: 36,583,710 km (0.093 R)
• M23: 40,139,801 km (0.064 R)
• M24: 44,900,455 km (0.104 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 13,150 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit