🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.47 AU - 0.69 AU

Year: 285 Days

Day: 15.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.4

Radius: 13.4

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.78 AU - 1.16 AU

Year: 617 Days

Day: 14.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,892,232 km

• M1: 166,652 km (0.119 R)
• M2: 682,166 km (0.073 R)
• M3: 1,302,100 km (0.105 R)
• M4: 1,918,443 km (0.072 R)
• M5: 2,582,807 km (0.072 R)
• M6: 3,531,856 km (0.032 R)
• M7: 4,522,194 km (0.119 R)
• M8: 5,074,958 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.4

Radius: 9.1

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.12 AU - 1.44 AU

Year: 935 Days

Day: 9 Hours

Environment

Temp: -161 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,892,232 km

• M1: 113,246 km (0.074 R)
• M2: 406,906 km (0.082 R)
• M3: 748,887 km (0.101 R)
• M4: 1,255,874 km (0.109 R)
• M5: 1,996,084 km (0.073 R)
• M6: 2,354,670 km (0.063 R)
• M7: 2,911,025 km (0.03 R)
• M8: 3,386,896 km (0.106 R)
• M9: 4,054,102 km (0.079 R)
• M10: 4,680,020 km (0.071 R)
• M11: 5,115,350 km (0.107 R)
• M12: 5,755,778 km (0.117 R)
• M13: 6,313,479 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.4

Radius: 8.6

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.22 AU - 1.42 AU

Year: 979 Days

Day: 9.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,892,232 km

• M1: 106,962 km (0.066 R)
• M2: 424,559 km (0.116 R)
• M3: 697,874 km (0.036 R)
• M4: 1,144,274 km (0.067 R)
• M5: 1,512,734 km (0.065 R)
• M6: 2,091,677 km (0.081 R)
• M7: 2,694,108 km (0.074 R)
• M8: 3,067,804 km (0.118 R)
• M9: 3,367,149 km (0.102 R)
• M10: 4,070,708 km (0.064 R)
• M11: 4,352,550 km (0.101 R)
• M12: 5,079,446 km (0.108 R)
• M13: 5,406,766 km (0.086 R)
• M14: 6,225,815 km (0.047 R)
• M15: 6,772,894 km (0.11 R)
• M16: 7,512,805 km (0.082 R)
• M17: 7,962,795 km (0.11 R)
• M18: 8,256,157 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.3

Radius: 11

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.45 AU - 3.65 AU

Year: 3439 Days

Day: 6.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,892,232 km

• M1: 137,032 km (0.043 R)
• M2: 613,202 km (0.103 R)
• M3: 1,046,138 km (0.088 R)
• M4: 1,900,791 km (0.114 R)
• M5: 2,365,741 km (0.093 R)
• M6: 2,841,761 km (0.091 R)
• M7: 3,545,170 km (0.117 R)
• M8: 4,234,069 km (0.102 R)
• M9: 5,200,321 km (0.109 R)
• M10: 6,307,645 km (0.098 R)
• M11: 7,020,030 km (0.082 R)
• M12: 7,380,710 km (0.088 R)
• M13: 8,139,321 km (0.107 R)
• M14: 8,983,951 km (0.11 R)
• M15: 9,700,973 km (0.077 R)
• M16: 12,210,627 km (0.072 R)
• M17: 13,362,531 km (0.079 R)
• M18: 15,174,610 km (0.041 R)
• M19: 16,243,486 km (0.089 R)
• M20: 17,037,253 km (0.118 R)
• M21: 17,580,592 km (0.06 R)
• M22: 18,079,501 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.8

Radius: 8.1

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.25 AU - 3.33 AU

Year: 3853 Days

Day: 13.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,892,232 km

• M1: 101,278 km (0.119 R)
• M2: 410,796 km (0.105 R)
• M3: 896,540 km (0.058 R)
• M4: 1,197,381 km (0.062 R)
• M5: 1,488,798 km (0.097 R)
• M6: 1,840,203 km (0.107 R)
• M7: 2,425,131 km (0.051 R)
• M8: 2,794,787 km (0.103 R)
• M9: 3,276,642 km (0.112 R)
• M10: 3,960,753 km (0.099 R)
• M11: 4,452,033 km (0.107 R)
• M12: 5,395,696 km (0.092 R)
• M13: 5,664,823 km (0.096 R)
• M14: 6,201,131 km (0.092 R)
• M15: 7,277,188 km (0.104 R)
• M16: 8,545,030 km (0.042 R)
• M17: 9,676,289 km (0.119 R)
• M18: 12,464,345 km (0.097 R)
• M19: 13,032,069 km (0.076 R)
• M20: 13,965,859 km (0.074 R)
• M21: 15,155,162 km (0.092 R)
• M22: 16,298,838 km (0.103 R)
• M23: 17,323,882 km (0.115 R)
• M24: 17,733,930 km (0.093 R)
• M25: 18,030,882 km (0.075 R)
• M26: 18,634,509 km (0.102 R)
• M27: 20,985,739 km (0.044 R)
• M28: 22,404,525 km (0.097 R)
• M29: 22,751,592 km (0.09 R)
• M30: 24,614,385 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.6

Radius: 11.8

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.54 AU - 4.9 AU

Year: 6621 Days

Day: 7.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,892,232 km

• M1: 146,905 km (0.12 R)
• M2: 684,859 km (0.112 R)
• M3: 1,346,530 km (0.055 R)
• M4: 1,904,680 km (0.065 R)
• M5: 2,578,020 km (0.115 R)
• M6: 3,030,404 km (0.106 R)
• M7: 3,785,873 km (0.032 R)
• M8: 4,271,468 km (0.098 R)
• M9: 4,743,898 km (0.073 R)
• M10: 12,142,710 km (0.116 R)
• M11: 12,986,741 km (0.11 R)
• M12: 18,005,301 km (0.043 R)
• M13: 19,032,739 km (0.099 R)
• M14: 20,683,402 km (0.046 R)
• M15: 23,455,749 km (0.062 R)
• M16: 24,515,201 km (0.095 R)
• M17: 25,267,080 km (0.103 R)
• M18: 29,915,834 km (0.066 R)
• M19: 31,161,386 km (0.055 R)
• M20: 32,242,081 km (0.046 R)
• M21: 34,478,120 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181

Radius: 10.7

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.25 AU - 6.75 AU

Year: 8328 Days

Day: 11.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,892,232 km

• M1: 134,488 km (0.075 R)
• M2: 551,418 km (0.072 R)
• M3: 1,235,978 km (0.08 R)
• M4: 1,667,268 km (0.072 R)
• M5: 2,055,624 km (0.107 R)
• M6: 2,651,772 km (0.117 R)
• M7: 3,036,837 km (0.105 R)
• M8: 3,643,157 km (0.12 R)
• M9: 5,364,879 km (0.062 R)
• M10: 6,014,732 km (0.065 R)
• M11: 7,471,217 km (0.077 R)
• M12: 10,330,331 km (0.115 R)
• M13: 11,023,418 km (0.114 R)
• M14: 11,517,690 km (0.114 R)
• M15: 12,892,045 km (0.114 R)
• M16: 13,593,211 km (0.034 R)
• M17: 16,889,899 km (0.043 R)
• M18: 18,977,238 km (0.118 R)
• M19: 23,070,684 km (0.084 R)
• M20: 23,583,656 km (0.094 R)
• M21: 26,502,160 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.9

Radius: 7.3

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8.79 AU - 9.67 AU

Year: 18106 Days

Day: 21.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,892,232 km

• M1: 90,806 km (0.116 R)
• M2: 471,383 km (0.067 R)
• M3: 1,034,619 km (0.097 R)
• M4: 1,917,695 km (0.099 R)
• M5: 3,620,568 km (0.077 R)
• M6: 5,149,009 km (0.111 R)
• M7: 5,378,791 km (0.093 R)
• M8: 7,598,973 km (0.066 R)
• M9: 8,382,567 km (0.091 R)
• M10: 9,806,589 km (0.097 R)
• M11: 10,419,043 km (0.063 R)
• M12: 12,118,924 km (0.103 R)
• M13: 13,680,725 km (0.12 R)
• M14: 15,304,760 km (0.114 R)
• M15: 17,713,884 km (0.116 R)
• M16: 24,820,232 km (0.044 R)
• M17: 27,622,648 km (0.12 R)
• M18: 27,924,088 km (0.028 R)
• M19: 28,636,024 km (0.076 R)
• M20: 47,665,921 km (0.065 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.9

Radius: 4.4

Gravity: 38.06 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 8.5 AU - 12.22 AU

Year: 21531 Days

Day: 18 Hours

Environment

Temp: -239 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,892,232 km

• M1: 54,902 km (0.105 R)
• M2: 359,484 km (0.108 R)
• M3: 616,044 km (0.034 R)
• M4: 1,063,491 km (0.068 R)
• M5: 1,775,278 km (0.069 R)
• M6: 2,030,043 km (0.075 R)
• M7: 3,624,008 km (0.092 R)
• M8: 3,936,967 km (0.104 R)
• M9: 4,166,450 km (0.085 R)
• M10: 4,946,603 km (0.117 R)
• M11: 5,531,531 km (0.077 R)
• M12: 5,736,480 km (0.116 R)
• M13: 7,315,037 km (0.086 R)
• M14: 9,448,901 km (0.077 R)
• M15: 9,741,963 km (0.089 R)
• M16: 10,101,447 km (0.108 R)
• M17: 12,307,566 km (0.102 R)
• M18: 14,196,988 km (0.079 R)
• M19: 16,187,986 km (0.041 R)
• M20: 17,908,959 km (0.075 R)
• M21: 18,177,188 km (0.084 R)
• M22: 22,633,260 km (0.108 R)
• M23: 23,475,945 km (0.114 R)
• M24: 25,447,944 km (0.074 R)
• M25: 27,885,043 km (0.114 R)
• M26: 34,579,847 km (0.085 R)
• M27: 35,979,485 km (0.097 R)
• M28: 44,520,177 km (0.091 R)
• M29: 44,847,946 km (0.067 R)
• M30: 51,026,039 km (0.102 R)
• M31: 52,837,669 km (0.107 R)
• M32: 59,119,732 km (0.092 R)
• M33: 66,093,835 km (0.106 R)
• M34: 69,118,106 km (0.042 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: 503 - 17,933 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit