🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.7

Radius: 12.2

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.84 AU - 1.38 AU

Year: 767 Days

Day: 6.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,649,981 km

• M1: 151,692 km (0.108 R)
• M2: 531,521 km (0.072 R)
• M3: 921,972 km (0.116 R)
• M4: 1,321,248 km (0.107 R)
• M5: 1,723,667 km (0.1 R)
• M6: 2,729,114 km (0.113 R)
• M7: 3,916,023 km (0.116 R)
• M8: 4,634,542 km (0.047 R)
• M9: 5,733,338 km (0.109 R)
• M10: 6,934,161 km (0.038 R)
• M11: 7,459,099 km (0.102 R)
• M12: 7,916,570 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.5

Radius: 12.5

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.11 AU - 2.27 AU

Year: 2126 Days

Day: 11.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,649,981 km

• M1: 157,975 km (0.105 R)
• M2: 700,716 km (0.101 R)
• M3: 1,299,108 km (0.048 R)
• M4: 1,738,776 km (0.119 R)
• M5: 2,714,154 km (0.073 R)
• M6: 3,376,574 km (0.036 R)
• M7: 3,986,035 km (0.096 R)
• M8: 5,847,930 km (0.112 R)
• M9: 6,399,348 km (0.098 R)
• M10: 7,217,648 km (0.103 R)
• M11: 7,759,941 km (0.061 R)
• M12: 8,824,778 km (0.104 R)
• M13: 9,339,993 km (0.108 R)
• M14: 10,058,213 km (0.073 R)
• M15: 11,164,489 km (0.114 R)
• M16: 12,392,837 km (0.112 R)
• M17: 14,637,104 km (0.118 R)
• M18: 15,213,804 km (0.089 R)
• M19: 16,463,844 km (0.083 R)
• M20: 17,140,326 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.9

Radius: 9.9

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.49 AU - 2.79 AU

Year: 2814 Days

Day: 11 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,649,981 km

• M1: 139,874 km (0.103 R)
• M2: 817,104 km (0.098 R)
• M3: 1,159,084 km (0.032 R)
• M4: 1,939,088 km (0.025 R)
• M5: 2,369,181 km (0.084 R)
• M6: 2,846,997 km (0.118 R)
• M7: 4,987,144 km (0.118 R)
• M8: 5,576,859 km (0.054 R)
• M9: 6,782,917 km (0.086 R)
• M10: 7,153,321 km (0.088 R)
• M11: 7,780,286 km (0.046 R)
• M12: 8,739,059 km (0.045 R)
• M13: 9,075,654 km (0.11 R)
• M14: 9,420,776 km (0.111 R)
• M15: 9,918,788 km (0.107 R)
• M16: 10,660,494 km (0.118 R)
• M17: 12,254,609 km (0.108 R)
• M18: 13,108,663 km (0.11 R)
• M19: 17,185,803 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.8

Radius: 11.7

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.65 AU - 2.91 AU

Year: 3041 Days

Day: 12.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 166.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,649,981 km

• M1: 145,559 km (0.093 R)
• M2: 528,978 km (0.087 R)
• M3: 925,712 km (0.058 R)
• M4: 2,553,037 km (0.105 R)
• M5: 3,180,301 km (0.098 R)
• M6: 4,220,904 km (0.111 R)
• M7: 4,897,685 km (0.096 R)
• M8: 5,403,924 km (0.117 R)
• M9: 5,919,588 km (0.026 R)
• M10: 7,021,376 km (0.119 R)
• M11: 7,457,005 km (0.101 R)
• M12: 8,066,018 km (0.077 R)
• M13: 9,418,233 km (0.032 R)
• M14: 12,068,060 km (0.089 R)
• M15: 12,525,381 km (0.078 R)
• M16: 12,951,286 km (0.112 R)
• M17: 14,565,297 km (0.082 R)
• M18: 14,941,387 km (0.116 R)
• M19: 16,259,045 km (0.109 R)
• M20: 17,023,789 km (0.108 R)
• M21: 17,759,062 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.5

Radius: 13.7

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.81 AU - 3.89 AU

Year: 4022 Days

Day: 12.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 151.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,649,981 km

• M1: 172,337 km (0.113 R)
• M2: 628,161 km (0.089 R)
• M3: 1,105,528 km (0.108 R)
• M4: 1,912,758 km (0.068 R)
• M5: 2,402,542 km (0.078 R)
• M6: 3,277,390 km (0.071 R)
• M7: 4,331,906 km (0.093 R)
• M8: 5,433,544 km (0.104 R)
• M9: 6,185,872 km (0.1 R)
• M10: 6,810,892 km (0.081 R)
• M11: 7,970,275 km (0.07 R)
• M12: 10,076,613 km (0.12 R)
• M13: 10,899,402 km (0.119 R)
• M14: 11,395,917 km (0.083 R)
• M15: 12,192,974 km (0.083 R)
• M16: 15,929,929 km (0.049 R)
• M17: 16,452,624 km (0.038 R)
• M18: 20,848,857 km (0.046 R)
• M19: 22,618,300 km (0.065 R)
• M20: 24,104,555 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.4

Radius: 11.7

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.11 AU - 5.41 AU

Year: 7914 Days

Day: 11.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,649,981 km

• M1: 145,559 km (0.065 R)
• M2: 625,469 km (0.091 R)
• M3: 1,221,915 km (0.092 R)
• M4: 1,791,883 km (0.091 R)
• M5: 3,242,983 km (0.116 R)
• M6: 4,032,411 km (0.116 R)
• M7: 4,864,474 km (0.119 R)
• M8: 5,336,156 km (0.077 R)
• M9: 6,937,152 km (0.107 R)
• M10: 8,518,552 km (0.118 R)
• M11: 11,491,360 km (0.114 R)
• M12: 12,330,754 km (0.119 R)
• M13: 12,739,755 km (0.093 R)
• M14: 15,445,980 km (0.05 R)
• M15: 16,591,601 km (0.099 R)
• M16: 18,249,893 km (0.035 R)
• M17: 18,916,202 km (0.103 R)
• M18: 21,671,196 km (0.116 R)
• M19: 22,951,754 km (0.074 R)
• M20: 24,763,983 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625.3

Radius: 6.3

Gravity: 15.75 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.09 AU - 6.93 AU

Year: 10896 Days

Day: 20 Hours

Environment

Temp: -226 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,649,981 km

• M1: 78,688 km (0.093 R)
• M2: 315,652 km (0.111 R)
• M3: 660,923 km (0.117 R)
• M4: 903,122 km (0.071 R)
• M5: 1,123,181 km (0.107 R)
• M6: 2,062,057 km (0.054 R)
• M7: 3,720,349 km (0.096 R)
• M8: 4,180,812 km (0.12 R)
• M9: 5,548,884 km (0.1 R)
• M10: 5,861,693 km (0.111 R)
• M11: 7,396,867 km (0.084 R)
• M12: 7,948,733 km (0.075 R)
• M13: 9,278,210 km (0.09 R)
• M14: 10,381,195 km (0.036 R)
• M15: 11,181,543 km (0.087 R)
• M16: 12,487,682 km (0.09 R)
• M17: 12,844,473 km (0.097 R)
• M18: 15,467,073 km (0.093 R)
• M19: 17,598,394 km (0.108 R)
• M20: 23,049,292 km (0.066 R)
• M21: 23,857,868 km (0.082 R)
• M22: 25,722,157 km (0.079 R)
• M23: 40,518,583 km (0.034 R)
• M24: 41,169,484 km (0.096 R)
• M25: 42,225,196 km (0.045 R)
• M26: 45,781,287 km (0.051 R)
• M27: 47,200,522 km (0.083 R)
• M28: 48,942,140 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.4

Radius: 6

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.96 AU - 11.3 AU

Year: 18097 Days

Day: 17.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,649,981 km

• M1: 89,011 km (0.081 R)
• M2: 294,259 km (0.059 R)
• M3: 610,359 km (0.088 R)
• M4: 1,080,396 km (0.06 R)
• M5: 1,640,789 km (0.028 R)
• M6: 1,899,444 km (0.099 R)
• M7: 2,147,926 km (0.112 R)
• M8: 3,546,666 km (0.088 R)
• M9: 5,785,698 km (0.112 R)
• M10: 8,633,742 km (0.056 R)
• M11: 10,739,182 km (0.118 R)
• M12: 14,136,101 km (0.115 R)
• M13: 17,720,017 km (0.053 R)
• M14: 18,503,013 km (0.12 R)
• M15: 20,222,042 km (0.031 R)
• M16: 26,819,457 km (0.107 R)
• M17: 27,746,366 km (0.05 R)
• M18: 35,573,476 km (0.047 R)
• M19: 37,577,639 km (0.119 R)
• M20: 38,737,471 km (0.09 R)
• M21: 38,998,370 km (0.091 R)
• M22: 41,809,463 km (0.103 R)
• M23: 43,054,566 km (0.094 R)
• M24: 45,909,492 km (0.071 R)
• M25: 50,891,700 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.7

Radius: 5.5

Gravity: 16.09 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 8.05 AU - 13.41 AU

Year: 23057 Days

Day: 19.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 81.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,649,981 km

• M1: 77,193 km (0.056 R)
• M2: 533,017 km (0.081 R)
• M3: 895,493 km (0.056 R)
• M4: 1,219,821 km (0.052 R)
• M5: 2,512,347 km (0.069 R)
• M6: 2,847,296 km (0.1 R)
• M7: 3,077,976 km (0.069 R)
• M8: 4,526,682 km (0.117 R)
• M9: 8,112,094 km (0.081 R)
• M10: 11,682,247 km (0.084 R)
• M11: 12,818,443 km (0.12 R)
• M12: 13,306,880 km (0.098 R)
• M13: 13,663,522 km (0.098 R)
• M14: 13,880,438 km (0.112 R)
• M15: 15,937,559 km (0.061 R)
• M16: 17,929,454 km (0.085 R)
• M17: 19,345,847 km (0.111 R)
• M18: 25,980,213 km (0.07 R)
• M19: 26,649,365 km (0.067 R)
• M20: 26,874,958 km (0.109 R)
• M21: 29,682,162 km (0.099 R)
• M22: 31,532,538 km (0.084 R)
• M23: 33,852,652 km (0.119 R)
• M24: 37,401,412 km (0.097 R)
• M25: 37,826,121 km (0.097 R)
• M26: 40,740,587 km (0.052 R)
• M27: 42,099,534 km (0.027 R)
• M28: 42,405,611 km (0.091 R)
• M29: 46,032,611 km (0.074 R)
• M30: 48,338,662 km (0.03 R)
• M31: 49,861,120 km (0.095 R)
• M32: 50,720,560 km (0.064 R)
• M33: 52,823,457 km (0.103 R)
• M34: 57,015,339 km (0.043 R)
• M35: 59,865,328 km (0.117 R)
• M36: 65,436,801 km (0.099 R)
• M37: 66,673,976 km (0.094 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: 157 - 16,530 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit