🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.52 AU - 0.64 AU

Year: 290 Days

Day: 35.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,422,440 km

• M1: 402,269 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.7

Radius: 12.8

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.67 AU - 0.83 AU

Year: 426 Days

Day: 5.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,422,440 km

• M1: 159,172 km (0.054 R)
• M2: 560,992 km (0.116 R)
• M3: 1,090,419 km (0.114 R)
• M4: 1,546,393 km (0.109 R)
• M5: 1,969,755 km (0.081 R)
• M6: 2,413,911 km (0.106 R)
• M7: 3,278,437 km (0.088 R)
• M8: 3,711,673 km (0.104 R)
• M9: 4,679,571 km (0.103 R)
• M10: 5,117,893 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.9

Radius: 10.9

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.76 AU - 0.82 AU

Year: 461 Days

Day: 11.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,422,440 km

• M1: 135,536 km (0.095 R)
• M2: 534,812 km (0.059 R)
• M3: 898,036 km (0.103 R)
• M4: 1,298,510 km (0.095 R)
• M5: 1,638,097 km (0.047 R)
• M6: 2,101,551 km (0.051 R)
• M7: 2,595,373 km (0.099 R)
• M8: 3,018,137 km (0.098 R)
• M9: 3,498,346 km (0.115 R)
• M10: 4,340,732 km (0.074 R)
• M11: 4,724,899 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.3

Radius: 8.9

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.41 AU - 1.45 AU

Year: 1122 Days

Day: 7.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,422,440 km

• M1: 111,301 km (0.076 R)
• M2: 438,471 km (0.093 R)
• M3: 726,896 km (0.075 R)
• M4: 1,676,543 km (0.084 R)
• M5: 2,047,396 km (0.069 R)
• M6: 2,396,408 km (0.111 R)
• M7: 2,848,194 km (0.051 R)
• M8: 3,689,083 km (0.099 R)
• M9: 4,436,175 km (0.117 R)
• M10: 5,040,251 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.6

Radius: 8.1

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.47 AU - 1.51 AU

Year: 1193 Days

Day: 7.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,422,440 km

• M1: 102,175 km (0.113 R)
• M2: 512,971 km (0.061 R)
• M3: 877,691 km (0.081 R)
• M4: 1,618,200 km (0.107 R)
• M5: 1,922,781 km (0.087 R)
• M6: 3,486,229 km (0.1 R)
• M7: 4,130,248 km (0.101 R)
• M8: 5,096,500 km (0.117 R)
• M9: 6,911,721 km (0.028 R)
• M10: 7,394,623 km (0.109 R)
• M11: 7,951,576 km (0.057 R)
• M12: 10,214,842 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.6

Radius: 13.5

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.85 AU - 2.23 AU

Year: 1911 Days

Day: 9.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,422,440 km

• M1: 167,849 km (0.113 R)
• M2: 603,627 km (0.114 R)
• M3: 1,140,983 km (0.066 R)
• M4: 1,659,489 km (0.096 R)
• M5: 2,088,087 km (0.082 R)
• M6: 2,721,185 km (0.103 R)
• M7: 3,639,267 km (0.109 R)
• M8: 4,098,832 km (0.103 R)
• M9: 4,861,632 km (0.04 R)
• M10: 5,697,136 km (0.081 R)
• M11: 6,626,288 km (0.118 R)
• M12: 7,678,560 km (0.052 R)
• M13: 8,387,803 km (0.103 R)
• M14: 8,893,593 km (0.076 R)
• M15: 9,618,844 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.7

Radius: 14.1

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.12 AU - 3.18 AU

Year: 2830 Days

Day: 14.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,422,440 km

• M1: 175,927 km (0.079 R)
• M2: 630,854 km (0.111 R)
• M3: 1,084,435 km (0.026 R)
• M4: 1,583,793 km (0.069 R)
• M5: 2,809,747 km (0.095 R)
• M6: 3,799,786 km (0.12 R)
• M7: 4,463,552 km (0.086 R)
• M8: 7,292,747 km (0.114 R)
• M9: 8,662,614 km (0.051 R)
• M10: 9,445,610 km (0.095 R)
• M11: 10,044,300 km (0.081 R)
• M12: 11,317,977 km (0.099 R)
• M13: 12,254,310 km (0.082 R)
• M14: 13,195,729 km (0.084 R)
• M15: 14,378,749 km (0.08 R)
• M16: 16,099,573 km (0.108 R)
• M17: 17,173,985 km (0.097 R)
• M18: 17,785,092 km (0.03 R)
• M19: 18,353,116 km (0.11 R)
• M20: 18,933,107 km (0.099 R)
• M21: 19,525,514 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.6

Radius: 4.9

Gravity: 18.39 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.44 AU - 10.2 AU

Year: 17184 Days

Day: 20.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 55,422,440 km

• M1: 61,036 km (0.034 R)
• M2: 230,830 km (0.099 R)
• M3: 390,002 km (0.111 R)
• M4: 1,068,278 km (0.117 R)
• M5: 1,478,476 km (0.033 R)
• M6: 1,811,780 km (0.071 R)
• M7: 2,899,506 km (0.074 R)
• M8: 3,091,290 km (0.087 R)
• M9: 4,151,042 km (0.117 R)
• M10: 4,426,302 km (0.044 R)
• M11: 4,648,754 km (0.119 R)
• M12: 5,951,003 km (0.093 R)
• M13: 6,104,940 km (0.113 R)
• M14: 6,301,212 km (0.115 R)
• M15: 6,915,162 km (0.092 R)
• M16: 7,794,797 km (0.087 R)
• M17: 8,166,697 km (0.102 R)
• M18: 11,108,988 km (0.104 R)
• M19: 12,815,152 km (0.112 R)
• M20: 13,999,967 km (0.032 R)
• M21: 15,544,715 km (0.088 R)
• M22: 16,967,390 km (0.077 R)
• M23: 17,909,408 km (0.092 R)
• M24: 18,393,208 km (0.115 R)
• M25: 19,302,763 km (0.064 R)
• M26: 20,068,854 km (0.058 R)
• M27: 22,026,790 km (0.044 R)
• M28: 29,430,987 km (0.052 R)
• M29: 32,661,703 km (0.077 R)
• M30: 34,115,794 km (0.105 R)
• M31: 34,858,697 km (0.099 R)
• M32: 35,993,397 km (0.1 R)
• M33: 41,195,364 km (0.092 R)
• M34: 41,615,136 km (0.057 R)
• M35: 45,521,884 km (0.08 R)
• M36: 49,193,764 km (0.11 R)
• M37: 57,816,884 km (0.108 R)
• M38: 59,404,716 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.9

Radius: 7.9

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 7.38 AU - 11.22 AU

Year: 18605 Days

Day: 22.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,422,440 km

• M1: 125,513 km (0.09 R)
• M2: 420,968 km (0.101 R)
• M3: 671,395 km (0.113 R)
• M4: 1,015,620 km (0.062 R)
• M5: 2,050,538 km (0.095 R)
• M6: 3,456,309 km (0.076 R)
• M7: 5,006,442 km (0.098 R)
• M8: 10,397,950 km (0.072 R)
• M9: 12,410,340 km (0.096 R)
• M10: 19,155,858 km (0.108 R)
• M11: 27,271,841 km (0.104 R)
• M12: 28,424,194 km (0.111 R)
• M13: 28,744,034 km (0.115 R)
• M14: 34,314,610 km (0.113 R)
• M15: 41,514,606 km (0.095 R)
• M16: 42,898,237 km (0.053 R)
• M17: 43,460,126 km (0.105 R)
• M18: 46,638,782 km (0.082 R)
• M19: 50,279,396 km (0.115 R)
• M20: 53,942,150 km (0.11 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 18,080 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit