🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.42 AU - 0.6 AU

Year: 139 Days

Day: 13.5 Hours

Environment

Temp: 135 °C

Axial Tilt: 6.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.67 AU - 1.09 AU

Year: 316 Days

Day: 18.7 Hours

Environment

Temp: 29 °C

Axial Tilt: 14.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.96 AU - 1.16 AU

Year: 418 Days

Day: 43.4 Hours

Environment

Temp: 10 °C

Axial Tilt: 169.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.5 AU - 2.82 AU

Year: 1661 Days

Day: 35.7 Hours

Environment

Temp: -102 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,546,664 km

• M1: 843,582 km (0.093 R)

Asteroid Belt

Center: 5.15 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.4

Radius: 12

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.32 AU - 8.94 AU

Year: 8070 Days

Day: 11.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 98,546,664 km

• M1: 150,196 km (0.069 R)
• M2: 818,899 km (0.073 R)
• M3: 2,344,947 km (0.075 R)
• M4: 3,008,413 km (0.091 R)
• M5: 3,952,525 km (0.08 R)
• M6: 4,481,503 km (0.071 R)
• M7: 5,420,230 km (0.114 R)
• M8: 6,230,602 km (0.1 R)
• M9: 7,868,848 km (0.103 R)
• M10: 11,590,095 km (0.116 R)
• M11: 12,274,356 km (0.099 R)
• M12: 13,777,665 km (0.083 R)
• M13: 14,601,650 km (0.04 R)
• M14: 15,458,397 km (0.063 R)
• M15: 16,469,379 km (0.08 R)
• M16: 22,419,784 km (0.038 R)
• M17: 23,252,147 km (0.074 R)
• M18: 26,203,114 km (0.073 R)
• M19: 26,788,192 km (0.099 R)
• M20: 27,725,422 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.7

Radius: 10.1

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.55 AU - 9.43 AU

Year: 10321 Days

Day: 11.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 98,546,664 km

• M1: 125,662 km (0.119 R)
• M2: 479,760 km (0.098 R)
• M3: 872,006 km (0.113 R)
• M4: 1,314,965 km (0.048 R)
• M5: 1,661,883 km (0.052 R)
• M6: 2,873,177 km (0.108 R)
• M7: 4,139,822 km (0.062 R)
• M8: 5,085,580 km (0.092 R)
• M9: 6,650,972 km (0.099 R)
• M10: 8,833,754 km (0.043 R)
• M11: 9,446,657 km (0.108 R)
• M12: 11,292,246 km (0.086 R)
• M13: 12,415,576 km (0.11 R)
• M14: 13,184,659 km (0.069 R)
• M15: 16,511,566 km (0.054 R)
• M16: 17,441,616 km (0.114 R)
• M17: 17,808,430 km (0.054 R)
• M18: 20,685,496 km (0.066 R)
• M19: 24,493,659 km (0.088 R)
• M20: 28,440,650 km (0.117 R)
• M21: 31,044,849 km (0.106 R)
• M22: 31,584,000 km (0.105 R)
• M23: 31,910,572 km (0.099 R)
• M24: 34,604,830 km (0.026 R)
• M25: 35,888,828 km (0.084 R)
• M26: 38,924,917 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.7

Radius: 13.9

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 9.7 AU - 10.42 AU

Year: 12217 Days

Day: 10.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 98,546,664 km

• M1: 172,935 km (0.107 R)
• M2: 621,878 km (0.116 R)
• M3: 1,062,893 km (0.073 R)
• M4: 1,593,367 km (0.097 R)
• M5: 2,264,014 km (0.105 R)
• M6: 3,283,972 km (0.06 R)
• M7: 4,121,272 km (0.1 R)
• M8: 4,934,785 km (0.092 R)
• M9: 6,922,641 km (0.047 R)
• M10: 12,903,564 km (0.072 R)
• M11: 17,425,310 km (0.065 R)
• M12: 18,191,999 km (0.067 R)
• M13: 20,290,857 km (0.118 R)
• M14: 22,367,425 km (0.115 R)
• M15: 23,090,132 km (0.076 R)
• M16: 24,965,192 km (0.067 R)
• M17: 25,546,978 km (0.12 R)
• M18: 30,642,581 km (0.075 R)
• M19: 31,534,334 km (0.103 R)
• M20: 33,020,289 km (0.105 R)
• M21: 35,275,328 km (0.065 R)
• M22: 37,631,195 km (0.052 R)
• M23: 41,833,399 km (0.078 R)
• M24: 43,906,825 km (0.106 R)
• M25: 44,471,109 km (0.112 R)
• M26: 45,183,344 km (0.104 R)
• M27: 47,217,875 km (0.111 R)
• M28: 49,464,985 km (0.093 R)
• M29: 49,922,754 km (0.054 R)
• M30: 51,939,334 km (0.118 R)
• M31: 52,729,360 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.9

Radius: 3.2

Gravity: 73.23 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 16.77 AU - 18.35 AU

Year: 28175 Days

Day: 16.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 98,546,664 km

• M1: 39,793 km (0.112 R)
• M2: 804,388 km (0.101 R)
• M3: 1,654,104 km (0.098 R)
• M4: 1,893,759 km (0.05 R)
• M5: 2,417,502 km (0.095 R)
• M6: 3,148,138 km (0.106 R)
• M7: 5,928,115 km (0.116 R)
• M8: 8,260,495 km (0.043 R)
• M9: 9,196,978 km (0.078 R)
• M10: 11,002,026 km (0.054 R)
• M11: 16,250,667 km (0.039 R)
• M12: 16,428,838 km (0.087 R)
• M13: 17,246,690 km (0.1 R)
• M14: 19,862,408 km (0.085 R)
• M15: 20,789,766 km (0.118 R)
• M16: 22,953,250 km (0.061 R)
• M17: 23,630,480 km (0.039 R)
• M18: 25,262,293 km (0.097 R)
• M19: 26,595,809 km (0.093 R)
• M20: 27,092,174 km (0.112 R)
• M21: 29,933,188 km (0.104 R)
• M22: 35,595,317 km (0.098 R)
• M23: 38,360,634 km (0.1 R)
• M24: 38,676,435 km (0.046 R)
• M25: 38,994,031 km (0.083 R)
• M26: 39,795,577 km (0.078 R)
• M27: 43,452,796 km (0.12 R)
• M28: 45,011,456 km (0.039 R)
• M29: 47,327,830 km (0.108 R)
• M30: 48,239,629 km (0.112 R)
• M31: 57,183,038 km (0.066 R)
• M32: 60,535,377 km (0.083 R)
• M33: 69,016,978 km (0.111 R)
• M34: 73,539,920 km (0.102 R)
• M35: 75,502,045 km (0.115 R)
• M36: 79,786,828 km (0.107 R)
• M37: 82,119,358 km (0.075 R)
• M38: 86,648,732 km (0.094 R)
• M39: 88,012,018 km (0.076 R)
• M40: 89,666,570 km (0.09 R)
• M41: 91,341,767 km (0.099 R)
• M42: 92,470,184 km (0.1 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 16,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit