🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.8

Radius: 13.9

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.23 AU - 1.35 AU

Year: 994 Days

Day: 9.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,113,249 km

• M1: 172,935 km (0.11 R)
• M2: 711,936 km (0.089 R)
• M3: 1,707,660 km (0.1 R)
• M4: 2,226,016 km (0.109 R)
• M5: 2,937,055 km (0.052 R)
• M6: 3,588,105 km (0.093 R)
• M7: 4,284,782 km (0.106 R)
• M8: 4,816,004 km (0.11 R)
• M9: 5,586,433 km (0.087 R)
• M10: 6,415,804 km (0.113 R)
• M11: 7,302,022 km (0.103 R)
• M12: 7,987,479 km (0.102 R)
• M13: 9,544,494 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.6

Radius: 9.3

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.18 AU - 1.44 AU

Year: 1017 Days

Day: 12.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,113,249 km

• M1: 116,088 km (0.111 R)
• M2: 633,547 km (0.112 R)
• M3: 968,497 km (0.101 R)
• M4: 1,359,396 km (0.112 R)
• M5: 1,751,641 km (0.085 R)
• M6: 2,082,851 km (0.081 R)
• M7: 2,630,679 km (0.117 R)
• M8: 3,430,728 km (0.053 R)
• M9: 4,043,630 km (0.109 R)
• M10: 4,578,592 km (0.075 R)
• M11: 4,966,799 km (0.115 R)
• M12: 5,450,299 km (0.09 R)
• M13: 6,103,743 km (0.061 R)
• M14: 6,532,640 km (0.098 R)
• M15: 7,270,008 km (0.039 R)
• M16: 8,109,850 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.3

Radius: 11.8

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.33 AU - 1.73 AU

Year: 1284 Days

Day: 5.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 85.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,113,249 km

• M1: 146,905 km (0.097 R)
• M2: 521,049 km (0.079 R)
• M3: 902,973 km (0.103 R)
• M4: 1,272,479 km (0.079 R)
• M5: 1,727,556 km (0.086 R)
• M6: 2,268,652 km (0.055 R)
• M7: 2,814,983 km (0.113 R)
• M8: 3,270,359 km (0.111 R)
• M9: 3,888,348 km (0.116 R)
• M10: 4,348,361 km (0.09 R)
• M11: 5,502,658 km (0.105 R)
• M12: 5,951,751 km (0.118 R)
• M13: 9,300,200 km (0.105 R)
• M14: 10,349,480 km (0.114 R)
• M15: 10,902,992 km (0.099 R)
• M16: 11,613,731 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.2

Radius: 8.1

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.26 AU - 1.9 AU

Year: 1347 Days

Day: 9.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,113,249 km

• M1: 109,506 km (0.066 R)
• M2: 456,423 km (0.052 R)
• M3: 825,182 km (0.104 R)
• M4: 3,676,218 km (0.038 R)
• M5: 4,468,788 km (0.043 R)
• M6: 5,007,490 km (0.119 R)
• M7: 5,771,635 km (0.03 R)
• M8: 6,192,604 km (0.026 R)
• M9: 7,407,638 km (0.099 R)
• M10: 8,084,419 km (0.072 R)
• M11: 8,558,045 km (0.105 R)
• M12: 9,022,248 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.8

Radius: 11.7

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.47 AU - 1.85 AU

Year: 1451 Days

Day: 14.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,113,249 km

• M1: 145,559 km (0.103 R)
• M2: 516,711 km (0.097 R)
• M3: 960,867 km (0.118 R)
• M4: 1,540,559 km (0.114 R)
• M5: 2,042,609 km (0.112 R)
• M6: 2,440,540 km (0.1 R)
• M7: 3,245,825 km (0.102 R)
• M8: 3,842,421 km (0.113 R)
• M9: 4,238,108 km (0.056 R)
• M10: 5,153,048 km (0.064 R)
• M11: 5,592,716 km (0.115 R)
• M12: 6,741,778 km (0.098 R)
• M13: 9,846,532 km (0.045 R)
• M14: 10,361,597 km (0.067 R)
• M15: 11,133,223 km (0.083 R)
• M16: 11,763,629 km (0.07 R)
• M17: 12,529,121 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.8

Radius: 14.2

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.82 AU - 2.24 AU

Year: 1962 Days

Day: 6.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,113,249 km

• M1: 177,423 km (0.094 R)
• M2: 724,802 km (0.093 R)
• M3: 1,454,690 km (0.086 R)
• M4: 1,923,529 km (0.084 R)
• M5: 2,619,608 km (0.069 R)
• M6: 3,428,185 km (0.112 R)
• M7: 4,541,642 km (0.081 R)
• M8: 5,286,041 km (0.105 R)
• M9: 5,933,949 km (0.052 R)
• M10: 6,500,775 km (0.084 R)
• M11: 7,331,792 km (0.1 R)
• M12: 7,985,534 km (0.075 R)
• M13: 8,485,191 km (0.08 R)
• M14: 10,003,610 km (0.064 R)
• M15: 12,927,051 km (0.089 R)
• M16: 13,486,248 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820

Radius: 9.8

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.45 AU - 3.89 AU

Year: 4769 Days

Day: 5.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,113,249 km

• M1: 121,922 km (0.104 R)
• M2: 474,375 km (0.042 R)
• M3: 916,287 km (0.056 R)
• M4: 1,285,195 km (0.11 R)
• M5: 1,701,975 km (0.096 R)
• M6: 2,058,018 km (0.114 R)
• M7: 2,398,054 km (0.113 R)
• M8: 3,417,115 km (0.063 R)
• M9: 4,178,418 km (0.108 R)
• M10: 4,913,542 km (0.052 R)
• M11: 6,940,144 km (0.036 R)
• M12: 7,284,369 km (0.084 R)
• M13: 8,897,034 km (0.116 R)
• M14: 10,111,170 km (0.115 R)
• M15: 10,599,458 km (0.098 R)
• M16: 12,916,579 km (0.053 R)
• M17: 13,866,526 km (0.11 R)
• M18: 16,872,545 km (0.085 R)
• M19: 26,903,681 km (0.06 R)
• M20: 28,101,362 km (0.027 R)
• M21: 29,156,027 km (0.113 R)
• M22: 30,054,811 km (0.06 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.7

Radius: 11.8

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.6 AU - 4.1 AU

Year: 5124 Days

Day: 12.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,113,249 km

• M1: 153,936 km (0.11 R)
• M2: 730,486 km (0.078 R)
• M3: 1,136,645 km (0.114 R)
• M4: 2,277,328 km (0.09 R)
• M5: 3,005,272 km (0.095 R)
• M6: 3,466,332 km (0.111 R)
• M7: 4,790,573 km (0.117 R)
• M8: 5,252,830 km (0.038 R)
• M9: 6,459,187 km (0.107 R)
• M10: 7,337,327 km (0.064 R)
• M11: 8,028,020 km (0.112 R)
• M12: 8,921,568 km (0.115 R)
• M13: 14,190,704 km (0.028 R)
• M14: 15,263,471 km (0.089 R)
• M15: 22,485,607 km (0.045 R)
• M16: 23,244,517 km (0.108 R)
• M17: 25,378,980 km (0.098 R)
• M18: 26,619,744 km (0.059 R)
• M19: 31,422,285 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.6

Radius: 13.8

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.12 AU - 5.9 AU

Year: 7606 Days

Day: 8.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,113,249 km

• M1: 171,589 km (0.093 R)
• M2: 944,711 km (0.079 R)
• M3: 1,656,048 km (0.069 R)
• M4: 2,159,744 km (0.114 R)
• M5: 2,607,790 km (0.105 R)
• M6: 3,134,674 km (0.113 R)
• M7: 3,732,467 km (0.117 R)
• M8: 5,046,235 km (0.094 R)
• M9: 5,797,366 km (0.083 R)
• M10: 6,840,063 km (0.111 R)
• M11: 10,500,424 km (0.087 R)
• M12: 12,456,865 km (0.057 R)
• M13: 12,917,926 km (0.116 R)
• M14: 15,493,403 km (0.08 R)
• M15: 16,523,234 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.4

Radius: 4.2

Gravity: 34.94 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 8.61 AU - 9.35 AU

Year: 18252 Days

Day: 20 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,113,249 km

• M1: 52,210 km (0.056 R)
• M2: 409,749 km (0.036 R)
• M3: 701,016 km (0.066 R)
• M4: 948,451 km (0.09 R)
• M5: 1,183,918 km (0.09 R)
• M6: 1,337,405 km (0.09 R)
• M7: 1,488,499 km (0.045 R)
• M8: 2,839,068 km (0.112 R)
• M9: 3,301,326 km (0.085 R)
• M10: 4,117,382 km (0.102 R)
• M11: 4,373,494 km (0.106 R)
• M12: 4,572,309 km (0.107 R)
• M13: 5,658,839 km (0.045 R)
• M14: 6,995,944 km (0.114 R)
• M15: 7,131,181 km (0.052 R)
• M16: 8,736,815 km (0.092 R)
• M17: 9,105,873 km (0.113 R)
• M18: 10,450,608 km (0.054 R)
• M19: 12,641,020 km (0.073 R)
• M20: 14,020,612 km (0.111 R)
• M21: 18,156,095 km (0.081 R)
• M22: 21,959,322 km (0.087 R)
• M23: 24,665,697 km (0.105 R)
• M24: 25,508,232 km (0.092 R)
• M25: 27,250,748 km (0.06 R)
• M26: 28,037,483 km (0.082 R)
• M27: 28,379,165 km (0.079 R)
• M28: 28,608,498 km (0.113 R)
• M29: 29,303,979 km (0.068 R)
• M30: 31,950,814 km (0.09 R)
• M31: 37,026,670 km (0.056 R)
• M32: 41,425,146 km (0.047 R)
• M33: 41,720,303 km (0.101 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 12,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit