🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.52 AU - 0.54 AU

Year: 249 Days

Day: 19.4 Hours

Environment

Temp: -115 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,940,049 km

• M1: 34,408 km (0.042 R)
• M2: 369,806 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.7

Radius: 10

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.77 AU - 1.15 AU

Year: 607 Days

Day: 6.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,940,049 km

• M1: 124,316 km (0.073 R)
• M2: 462,856 km (0.107 R)
• M3: 832,363 km (0.103 R)
• M4: 1,965,866 km (0.088 R)
• M5: 3,181,947 km (0.102 R)
• M6: 3,721,097 km (0.106 R)
• M7: 4,230,628 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.1

Radius: 8

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.84 AU - 1.26 AU

Year: 695 Days

Day: 11.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,940,049 km

• M1: 100,530 km (0.105 R)
• M2: 478,264 km (0.093 R)
• M3: 1,143,526 km (0.064 R)
• M4: 1,700,180 km (0.089 R)
• M5: 2,129,226 km (0.039 R)
• M6: 3,241,786 km (0.093 R)
• M7: 3,636,874 km (0.067 R)
• M8: 5,000,758 km (0.115 R)
• M9: 5,978,380 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.7

Radius: 14.5

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.5 AU - 3.28 AU

Year: 3172 Days

Day: 13.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,940,049 km

• M1: 181,013 km (0.112 R)
• M2: 668,254 km (0.06 R)
• M3: 1,213,688 km (0.118 R)
• M4: 2,705,777 km (0.062 R)
• M5: 3,881,766 km (0.105 R)
• M6: 4,443,356 km (0.074 R)
• M7: 5,106,823 km (0.1 R)
• M8: 5,783,454 km (0.081 R)
• M9: 7,194,910 km (0.036 R)
• M10: 7,852,093 km (0.069 R)
• M11: 9,215,079 km (0.05 R)
• M12: 10,453,899 km (0.099 R)
• M13: 13,215,625 km (0.065 R)
• M14: 13,868,770 km (0.04 R)
• M15: 16,753,466 km (0.072 R)
• M16: 17,798,257 km (0.118 R)
• M17: 18,422,679 km (0.087 R)
• M18: 19,061,611 km (0.091 R)
• M19: 19,956,805 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.9

Radius: 14

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.92 AU - 3.76 AU

Year: 3941 Days

Day: 12.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,940,049 km

• M1: 174,132 km (0.115 R)
• M2: 695,331 km (0.088 R)
• M3: 2,332,530 km (0.11 R)
• M4: 2,947,976 km (0.084 R)
• M5: 3,854,838 km (0.117 R)
• M6: 4,529,824 km (0.088 R)
• M7: 5,212,887 km (0.114 R)
• M8: 8,238,654 km (0.103 R)
• M9: 11,671,626 km (0.114 R)
• M10: 12,407,947 km (0.086 R)
• M11: 12,958,766 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.9

Radius: 11.5

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.87 AU - 6.23 AU

Year: 8442 Days

Day: 12.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,940,049 km

• M1: 143,764 km (0.059 R)
• M2: 544,387 km (0.092 R)
• M3: 1,147,565 km (0.026 R)
• M4: 3,208,126 km (0.056 R)
• M5: 6,073,524 km (0.117 R)
• M6: 7,743,186 km (0.049 R)
• M7: 8,881,476 km (0.078 R)
• M8: 9,547,785 km (0.104 R)
• M9: 11,147,585 km (0.111 R)
• M10: 15,546,809 km (0.097 R)
• M11: 18,749,700 km (0.057 R)
• M12: 20,221,144 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.7

Radius: 3.9

Gravity: 54.55 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.11 AU - 7.35 AU

Year: 11273 Days

Day: 18.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 43,940,049 km

• M1: 49,068 km (0.084 R)
• M2: 246,537 km (0.092 R)
• M3: 404,363 km (0.113 R)
• M4: 922,869 km (0.114 R)
• M5: 1,262,307 km (0.102 R)
• M6: 1,526,646 km (0.113 R)
• M7: 2,338,963 km (0.12 R)
• M8: 2,737,342 km (0.111 R)
• M9: 4,537,453 km (0.077 R)
• M10: 4,758,708 km (0.12 R)
• M11: 5,222,910 km (0.116 R)
• M12: 7,169,777 km (0.061 R)
• M13: 8,280,691 km (0.101 R)
• M14: 9,248,290 km (0.104 R)
• M15: 9,450,397 km (0.077 R)
• M16: 10,893,119 km (0.086 R)
• M17: 11,932,674 km (0.111 R)
• M18: 12,848,064 km (0.027 R)
• M19: 13,354,901 km (0.115 R)
• M20: 13,743,706 km (0.1 R)
• M21: 17,358,589 km (0.084 R)
• M22: 18,771,990 km (0.118 R)
• M23: 21,471,034 km (0.041 R)
• M24: 27,414,857 km (0.031 R)
• M25: 27,622,948 km (0.096 R)
• M26: 32,009,756 km (0.047 R)
• M27: 33,056,941 km (0.085 R)
• M28: 34,367,568 km (0.054 R)
• M29: 34,730,941 km (0.07 R)
• M30: 39,029,935 km (0.103 R)
• M31: 40,628,089 km (0.101 R)
• M32: 40,898,562 km (0.111 R)
• M33: 41,580,279 km (0.07 R)
• M34: 42,408,004 km (0.104 R)
• M35: 42,547,130 km (0.053 R)
• M36: 46,417,078 km (0.09 R)
• M37: 46,712,683 km (0.096 R)
• M38: 49,430,278 km (0.105 R)
• M39: 51,932,901 km (0.073 R)
• M40: 53,376,969 km (0.074 R)
• M41: 54,190,632 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64.8

Radius: 5.4

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.12 AU - 8.96 AU

Year: 14720 Days

Day: 22 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,940,049 km

• M1: 67,917 km (0.107 R)
• M2: 282,740 km (0.077 R)
• M3: 1,194,988 km (0.089 R)
• M4: 1,577,809 km (0.099 R)
• M5: 1,885,232 km (0.055 R)
• M6: 2,883,649 km (0.106 R)
• M7: 6,126,781 km (0.087 R)
• M8: 6,884,644 km (0.098 R)
• M9: 7,150,629 km (0.074 R)
• M10: 8,623,120 km (0.114 R)
• M11: 9,491,237 km (0.076 R)
• M12: 10,158,144 km (0.048 R)
• M13: 13,705,708 km (0.115 R)
• M14: 16,305,121 km (0.114 R)
• M15: 16,481,347 km (0.098 R)
• M16: 25,167,897 km (0.106 R)
• M17: 27,924,537 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.1

Radius: 5.4

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.36 AU - 9.98 AU

Year: 15078 Days

Day: 21.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,940,049 km

• M1: 71,957 km (0.101 R)
• M2: 331,658 km (0.108 R)
• M3: 553,662 km (0.098 R)
• M4: 728,242 km (0.101 R)
• M5: 940,372 km (0.099 R)
• M6: 1,275,621 km (0.065 R)
• M7: 2,253,542 km (0.076 R)
• M8: 3,482,788 km (0.093 R)
• M9: 3,881,317 km (0.103 R)
• M10: 5,010,631 km (0.045 R)
• M11: 5,356,202 km (0.047 R)
• M12: 5,990,198 km (0.043 R)
• M13: 12,171,432 km (0.079 R)
• M14: 14,230,647 km (0.117 R)
• M15: 14,668,670 km (0.114 R)
• M16: 17,630,109 km (0.115 R)
• M17: 24,523,729 km (0.055 R)
• M18: 35,242,865 km (0.104 R)
• M19: 38,761,855 km (0.078 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 18,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit