🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.88 AU - 1.1 AU

Year: 377 Days

Day: 22.2 Hours

Environment

Temp: 5 °C

Axial Tilt: 8.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.2 AU - 1.86 AU

Year: 725 Days

Day: 34.5 Hours

Environment

Temp: -57 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.13 AU - 2.57 AU

Year: 1379 Days

Day: 39 Hours

Environment

Temp: -89 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.1

Radius: 11

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.55 AU - 8.21 AU

Year: 7676 Days

Day: 9.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 93,481,809 km

• M1: 136,732 km (0.1 R)
• M2: 603,029 km (0.107 R)
• M3: 951,143 km (0.109 R)
• M4: 1,513,781 km (0.107 R)
• M5: 1,939,387 km (0.076 R)
• M6: 2,588,941 km (0.114 R)
• M7: 3,490,418 km (0.108 R)
• M8: 4,374,092 km (0.108 R)
• M9: 5,493,084 km (0.095 R)
• M10: 5,905,825 km (0.07 R)
• M11: 7,269,858 km (0.068 R)
• M12: 7,690,079 km (0.083 R)
• M13: 9,900,985 km (0.119 R)
• M14: 10,953,107 km (0.037 R)
• M15: 12,078,233 km (0.1 R)
• M16: 14,497,380 km (0.047 R)
• M17: 20,954,623 km (0.057 R)
• M18: 21,965,605 km (0.103 R)
• M19: 23,418,649 km (0.115 R)
• M20: 23,916,810 km (0.111 R)
• M21: 28,161,500 km (0.1 R)
• M22: 28,725,035 km (0.054 R)
• M23: 29,584,625 km (0.118 R)
• M24: 29,972,083 km (0.085 R)
• M25: 30,658,288 km (0.112 R)
• M26: 31,055,022 km (0.09 R)
• M27: 32,573,740 km (0.057 R)
• M28: 36,641,754 km (0.063 R)
• M29: 37,539,342 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.9

Radius: 4.8

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 11.5 AU - 12.04 AU

Year: 15461 Days

Day: 22.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 93,481,809 km

• M1: 61,036 km (0.077 R)
• M2: 460,911 km (0.113 R)
• M3: 801,396 km (0.072 R)
• M4: 1,027,139 km (0.11 R)
• M5: 1,489,097 km (0.096 R)
• M6: 1,675,347 km (0.108 R)
• M7: 2,733,602 km (0.098 R)
• M8: 4,685,854 km (0.116 R)
• M9: 5,388,814 km (0.057 R)
• M10: 6,026,401 km (0.096 R)
• M11: 8,118,078 km (0.062 R)
• M12: 10,124,485 km (0.098 R)
• M13: 12,819,490 km (0.109 R)
• M14: 18,149,363 km (0.08 R)
• M15: 20,685,197 km (0.068 R)
• M16: 26,268,339 km (0.108 R)
• M17: 27,256,732 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.4

Radius: 3.9

Gravity: 27.77 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 9.82 AU - 15.96 AU

Year: 17719 Days

Day: 19.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 93,481,809 km

• M1: 49,068 km (0.094 R)
• M2: 188,942 km (0.113 R)
• M3: 498,011 km (0.093 R)
• M4: 948,002 km (0.081 R)
• M5: 1,330,972 km (0.098 R)
• M6: 2,097,661 km (0.064 R)
• M7: 2,353,474 km (0.115 R)
• M8: 2,564,257 km (0.1 R)
• M9: 4,162,561 km (0.08 R)
• M10: 4,284,184 km (0.078 R)
• M11: 4,534,461 km (0.089 R)
• M12: 7,554,992 km (0.058 R)
• M13: 8,539,046 km (0.081 R)
• M14: 9,344,033 km (0.099 R)
• M15: 9,605,530 km (0.074 R)
• M16: 10,475,441 km (0.115 R)
• M17: 11,103,304 km (0.099 R)
• M18: 12,060,580 km (0.095 R)
• M19: 13,006,787 km (0.089 R)
• M20: 13,664,419 km (0.113 R)
• M21: 14,903,688 km (0.069 R)
• M22: 15,992,012 km (0.064 R)
• M23: 16,823,029 km (0.071 R)
• M24: 17,288,128 km (0.025 R)
• M25: 26,668,214 km (0.064 R)
• M26: 27,300,415 km (0.091 R)
• M27: 28,704,091 km (0.12 R)
• M28: 29,816,052 km (0.117 R)
• M29: 30,155,191 km (0.062 R)
• M30: 34,303,839 km (0.084 R)
• M31: 34,925,867 km (0.071 R)
• M32: 36,837,129 km (0.093 R)
• M33: 38,951,396 km (0.052 R)
• M34: 40,175,555 km (0.116 R)
• M35: 42,130,351 km (0.088 R)
• M36: 47,446,161 km (0.034 R)
• M37: 48,998,389 km (0.081 R)
• M38: 52,040,312 km (0.059 R)
• M39: 57,443,787 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.7

Radius: 6.5

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 17.07 AU - 17.81 AU

Year: 27886 Days

Day: 20.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 93,481,809 km

• M1: 87,365 km (0.057 R)
• M2: 411,693 km (0.086 R)
• M3: 788,231 km (0.111 R)
• M4: 1,308,533 km (0.118 R)
• M5: 2,148,525 km (0.086 R)
• M6: 2,728,366 km (0.118 R)
• M7: 3,486,528 km (0.044 R)
• M8: 3,786,771 km (0.114 R)
• M9: 4,284,932 km (0.118 R)
• M10: 4,759,755 km (0.116 R)
• M11: 5,234,130 km (0.052 R)
• M12: 6,722,180 km (0.117 R)
• M13: 7,585,510 km (0.088 R)
• M14: 8,327,814 km (0.096 R)
• M15: 8,618,184 km (0.06 R)
• M16: 9,015,964 km (0.111 R)
• M17: 10,505,361 km (0.062 R)
• M18: 11,545,066 km (0.12 R)
• M19: 11,845,758 km (0.084 R)
• M20: 12,907,155 km (0.114 R)
• M21: 13,760,461 km (0.11 R)
• M22: 14,720,879 km (0.114 R)
• M23: 21,350,309 km (0.119 R)
• M24: 22,078,551 km (0.112 R)
• M25: 25,969,293 km (0.091 R)
• M26: 28,075,930 km (0.097 R)
• M27: 31,796,579 km (0.115 R)
• M28: 35,452,601 km (0.089 R)
• M29: 41,587,759 km (0.074 R)
• M30: 42,865,475 km (0.109 R)
• M31: 48,705,925 km (0.11 R)
• M32: 55,735,679 km (0.07 R)
• M33: 57,462,188 km (0.108 R)
• M34: 57,811,798 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.9

Radius: 5.7

Gravity: 16.53 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 14.43 AU - 22.81 AU

Year: 30764 Days

Day: 15.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 93,481,809 km

• M1: 70,909 km (0.088 R)
• M2: 321,785 km (0.091 R)
• M3: 606,619 km (0.085 R)
• M4: 1,025,344 km (0.059 R)
• M5: 1,929,962 km (0.038 R)
• M6: 2,372,772 km (0.108 R)
• M7: 2,962,786 km (0.069 R)
• M8: 3,218,598 km (0.072 R)
• M9: 3,520,187 km (0.098 R)
• M10: 3,742,340 km (0.114 R)
• M11: 3,940,109 km (0.108 R)
• M12: 4,144,908 km (0.086 R)
• M13: 4,918,479 km (0.073 R)
• M14: 6,991,456 km (0.06 R)
• M15: 7,497,696 km (0.095 R)
• M16: 11,060,519 km (0.098 R)
• M17: 11,887,944 km (0.039 R)
• M18: 16,126,351 km (0.081 R)
• M19: 17,461,213 km (0.107 R)
• M20: 20,756,256 km (0.058 R)
• M21: 31,836,970 km (0.06 R)
• M22: 50,824,680 km (0.092 R)
• M23: 53,675,267 km (0.11 R)
• M24: 59,278,455 km (0.093 R)
• M25: 70,462,691 km (0.077 R)
• M26: 83,232,515 km (0.07 R)
• M27: 86,383,495 km (0.077 R)
• M28: 90,707,472 km (0.112 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 12,684 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit