🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.97 AU - 1.29 AU

Year: 441 Days

Day: 31.7 Hours

Environment

Temp: 16 °C

Axial Tilt: 25 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.67 AU - 1.71 AU

Year: 806 Days

Day: 39.3 Hours

Environment

Temp: -48 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.75 AU - 4.09 AU

Year: 2322 Days

Day: 13.7 Hours

Environment

Temp: -106 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.37 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.8

Radius: 14.2

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.62 AU - 6.02 AU

Year: 4504 Days

Day: 11.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,306,560 km

• M1: 181,761 km (0.09 R)
• M2: 662,270 km (0.072 R)
• M3: 1,185,862 km (0.086 R)
• M4: 1,638,994 km (0.104 R)
• M5: 2,616,467 km (0.117 R)
• M6: 3,072,890 km (0.025 R)
• M7: 3,786,023 km (0.093 R)
• M8: 4,374,391 km (0.071 R)
• M9: 4,948,249 km (0.113 R)
• M10: 5,763,856 km (0.109 R)
• M11: 7,201,941 km (0.087 R)
• M12: 8,830,762 km (0.094 R)
• M13: 9,554,816 km (0.107 R)
• M14: 10,032,183 km (0.025 R)
• M15: 12,569,213 km (0.114 R)
• M16: 13,684,914 km (0.095 R)
• M17: 14,707,864 km (0.107 R)
• M18: 16,057,536 km (0.092 R)
• M19: 16,676,871 km (0.055 R)
• M20: 17,665,564 km (0.079 R)
• M21: 18,386,625 km (0.075 R)
• M22: 20,275,448 km (0.092 R)
• M23: 21,199,963 km (0.093 R)
• M24: 24,069,400 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.1

Radius: 9

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.68 AU - 6.12 AU

Year: 4606 Days

Day: 8.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,306,560 km

• M1: 111,899 km (0.094 R)
• M2: 545,135 km (0.084 R)
• M3: 837,898 km (0.108 R)
• M4: 1,183,918 km (0.058 R)
• M5: 1,491,790 km (0.069 R)
• M6: 1,828,684 km (0.029 R)
• M7: 2,216,292 km (0.091 R)
• M8: 3,760,591 km (0.116 R)
• M9: 5,015,717 km (0.102 R)
• M10: 5,697,884 km (0.117 R)
• M11: 6,651,121 km (0.088 R)
• M12: 7,474,209 km (0.071 R)
• M13: 8,222,348 km (0.069 R)
• M14: 8,760,451 km (0.111 R)
• M15: 9,056,954 km (0.092 R)
• M16: 9,437,082 km (0.081 R)
• M17: 10,147,972 km (0.084 R)
• M18: 10,475,292 km (0.112 R)
• M19: 11,990,569 km (0.038 R)
• M20: 13,159,078 km (0.089 R)
• M21: 17,582,836 km (0.064 R)
• M22: 18,174,945 km (0.028 R)
• M23: 18,780,367 km (0.109 R)
• M24: 21,337,294 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.9

Radius: 11.9

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.98 AU - 8.48 AU

Year: 7136 Days

Day: 13.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,306,560 km

• M1: 147,952 km (0.057 R)
• M2: 620,532 km (0.097 R)
• M3: 1,051,673 km (0.095 R)
• M4: 1,660,536 km (0.056 R)
• M5: 2,086,890 km (0.057 R)
• M6: 2,777,284 km (0.099 R)
• M7: 3,879,222 km (0.072 R)
• M8: 5,917,793 km (0.099 R)
• M9: 7,649,538 km (0.099 R)
• M10: 8,547,125 km (0.081 R)
• M11: 9,154,043 km (0.044 R)
• M12: 9,605,081 km (0.086 R)
• M13: 10,502,818 km (0.067 R)
• M14: 13,076,649 km (0.08 R)
• M15: 13,591,415 km (0.118 R)
• M16: 15,405,888 km (0.106 R)
• M17: 17,172,190 km (0.056 R)
• M18: 17,651,502 km (0.114 R)
• M19: 19,289,149 km (0.103 R)
• M20: 20,031,903 km (0.094 R)
• M21: 24,895,479 km (0.079 R)
• M22: 25,509,728 km (0.086 R)
• M23: 32,324,061 km (0.116 R)
• M24: 37,561,781 km (0.082 R)
• M25: 38,603,132 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.7

Radius: 11.7

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 9.6 AU - 12.88 AU

Year: 13833 Days

Day: 12.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,306,560 km

• M1: 146,905 km (0.068 R)
• M2: 591,660 km (0.099 R)
• M3: 1,071,869 km (0.05 R)
• M4: 1,582,147 km (0.117 R)
• M5: 1,982,770 km (0.085 R)
• M6: 3,147,539 km (0.093 R)
• M7: 4,994,026 km (0.101 R)
• M8: 6,220,429 km (0.116 R)
• M9: 6,658,601 km (0.064 R)
• M10: 7,078,223 km (0.063 R)
• M11: 7,844,912 km (0.103 R)
• M12: 8,532,614 km (0.09 R)
• M13: 9,543,596 km (0.11 R)
• M14: 10,028,892 km (0.109 R)
• M15: 10,632,669 km (0.103 R)
• M16: 11,583,962 km (0.058 R)
• M17: 12,192,675 km (0.059 R)
• M18: 15,166,980 km (0.111 R)
• M19: 17,138,830 km (0.088 R)
• M20: 18,669,515 km (0.096 R)
• M21: 20,608,303 km (0.066 R)
• M22: 22,422,626 km (0.1 R)
• M23: 23,455,899 km (0.102 R)
• M24: 26,842,047 km (0.117 R)
• M25: 29,714,326 km (0.061 R)
• M26: 33,668,497 km (0.114 R)
• M27: 35,597,711 km (0.036 R)
• M28: 41,441,303 km (0.09 R)
• M29: 42,213,976 km (0.106 R)
• M30: 42,734,277 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.5

Radius: 5.2

Gravity: 16.33 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 13.79 AU - 14.77 AU

Year: 19809 Days

Day: 22.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,306,560 km

• M1: 85,121 km (0.096 R)
• M2: 298,298 km (0.072 R)
• M3: 695,181 km (0.108 R)
• M4: 889,958 km (0.094 R)
• M5: 1,133,802 km (0.077 R)
• M6: 1,606,980 km (0.078 R)
• M7: 1,989,502 km (0.095 R)
• M8: 2,242,921 km (0.081 R)
• M9: 2,814,235 km (0.088 R)
• M10: 3,185,387 km (0.11 R)
• M11: 3,477,702 km (0.104 R)
• M12: 7,056,831 km (0.104 R)
• M13: 10,337,961 km (0.057 R)
• M14: 11,645,446 km (0.101 R)
• M15: 12,597,637 km (0.095 R)
• M16: 12,926,303 km (0.056 R)
• M17: 15,463,633 km (0.113 R)
• M18: 17,734,828 km (0.116 R)
• M19: 20,129,590 km (0.039 R)
• M20: 22,635,055 km (0.112 R)
• M21: 30,316,308 km (0.103 R)
• M22: 32,846,157 km (0.106 R)
• M23: 34,994,383 km (0.107 R)
• M24: 49,716,908 km (0.106 R)
• M25: 51,033,518 km (0.119 R)
• M26: 55,824,989 km (0.105 R)
• M27: 56,533,035 km (0.07 R)
• M28: 58,511,018 km (0.086 R)
• M29: 62,795,053 km (0.059 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 20,216 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit