🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.14 AU - 1.24 AU

Year: 461 Days

Day: 21.5 Hours

Environment

Temp: 15 °C

Axial Tilt: 14.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 72,015,648 km

• M1: 45,478 km (0.064 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.99 AU - 2.25 AU

Year: 1095 Days

Day: 46.7 Hours

Environment

Temp: -64 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,015,648 km

• M1: 1,577,210 km (0.077 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.01 AU - 3.53 AU

Year: 2098 Days

Day: 13.5 Hours

Environment

Temp: -104 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81

Radius: 10.9

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.32 AU - 10.86 AU

Year: 9723 Days

Day: 11 Hours

Environment

Temp: -171 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,015,648 km

• M1: 135,536 km (0.112 R)
• M2: 507,286 km (0.117 R)
• M3: 1,006,345 km (0.102 R)
• M4: 3,381,809 km (0.111 R)
• M5: 3,954,620 km (0.106 R)
• M6: 4,778,306 km (0.082 R)
• M7: 5,739,622 km (0.063 R)
• M8: 6,675,057 km (0.083 R)
• M9: 8,042,681 km (0.108 R)
• M10: 8,631,947 km (0.096 R)
• M11: 11,888,094 km (0.098 R)
• M12: 13,403,371 km (0.116 R)
• M13: 19,568,449 km (0.106 R)
• M14: 21,280,297 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146

Radius: 8.3

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 9.13 AU - 9.39 AU

Year: 9997 Days

Day: 5 Hours

Environment

Temp: -164 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,015,648 km

• M1: 103,223 km (0.064 R)
• M2: 512,522 km (0.082 R)
• M3: 1,607,280 km (0.102 R)
• M4: 1,928,616 km (0.057 R)
• M5: 3,458,852 km (0.102 R)
• M6: 5,085,430 km (0.1 R)
• M7: 6,450,810 km (0.113 R)
• M8: 7,000,133 km (0.104 R)
• M9: 8,045,224 km (0.067 R)
• M10: 8,378,079 km (0.097 R)
• M11: 9,678,234 km (0.048 R)
• M12: 13,847,976 km (0.034 R)
• M13: 15,430,272 km (0.087 R)
• M14: 19,606,895 km (0.057 R)
• M15: 23,417,602 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.2

Radius: 14.8

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 9.2 AU - 11.44 AU

Year: 11761 Days

Day: 7.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,015,648 km

• M1: 184,155 km (0.091 R)
• M2: 1,031,926 km (0.11 R)
• M3: 1,611,917 km (0.081 R)
• M4: 2,315,326 km (0.108 R)
• M5: 3,610,844 km (0.091 R)
• M6: 4,118,729 km (0.095 R)
• M7: 5,214,084 km (0.09 R)
• M8: 6,381,696 km (0.114 R)
• M9: 8,201,554 km (0.054 R)
• M10: 9,231,834 km (0.031 R)
• M11: 10,612,473 km (0.07 R)
• M12: 13,089,664 km (0.087 R)
• M13: 14,298,864 km (0.093 R)
• M14: 17,836,554 km (0.065 R)
• M15: 18,374,508 km (0.059 R)
• M16: 20,053,894 km (0.105 R)
• M17: 22,449,404 km (0.053 R)
• M18: 23,716,349 km (0.101 R)
• M19: 25,126,010 km (0.05 R)
• M20: 31,886,188 km (0.101 R)
• M21: 33,254,410 km (0.118 R)
• M22: 35,864,145 km (0.059 R)
• M23: 37,594,244 km (0.109 R)
• M24: 46,506,388 km (0.106 R)
• M25: 48,861,357 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.7

Radius: 10.9

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 10.29 AU - 13.21 AU

Year: 14289 Days

Day: 10.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,015,648 km

• M1: 135,536 km (0.107 R)
• M2: 579,841 km (0.055 R)
• M3: 1,482,216 km (0.08 R)
• M4: 3,240,888 km (0.06 R)
• M5: 4,283,436 km (0.03 R)
• M6: 5,511,485 km (0.101 R)
• M7: 6,397,254 km (0.078 R)
• M8: 7,619,169 km (0.069 R)
• M9: 8,549,518 km (0.098 R)
• M10: 9,129,210 km (0.066 R)
• M11: 10,558,468 km (0.045 R)
• M12: 13,855,456 km (0.096 R)
• M13: 16,556,146 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.9

Radius: 4.2

Gravity: 48.29 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 13.57 AU - 15.59 AU

Year: 19750 Days

Day: 18.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,015,648 km

• M1: 62,382 km (0.058 R)
• M2: 206,894 km (0.108 R)
• M3: 1,244,804 km (0.06 R)
• M4: 2,468,066 km (0.037 R)
• M5: 4,027,923 km (0.052 R)
• M6: 4,294,356 km (0.073 R)
• M7: 5,203,164 km (0.117 R)
• M8: 6,544,608 km (0.106 R)
• M9: 9,189,348 km (0.119 R)
• M10: 10,433,703 km (0.047 R)
• M11: 10,872,324 km (0.104 R)
• M12: 11,853,387 km (0.114 R)
• M13: 14,369,474 km (0.108 R)
• M14: 17,567,727 km (0.055 R)
• M15: 29,321,332 km (0.094 R)
• M16: 33,582,478 km (0.083 R)
• M17: 35,930,716 km (0.065 R)
• M18: 37,944,752 km (0.099 R)
• M19: 44,111,775 km (0.07 R)
• M20: 50,735,819 km (0.075 R)
• M21: 51,810,380 km (0.089 R)
• M22: 53,266,566 km (0.082 R)
• M23: 56,833,877 km (0.109 R)
• M24: 59,167,005 km (0.092 R)
• M25: 60,757,530 km (0.105 R)
• M26: 66,335,436 km (0.097 R)
• M27: 69,357,762 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267

Radius: 4.2

Gravity: 15.14 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 17.79 AU - 20.31 AU

Year: 29497 Days

Day: 22 Hours

Environment

Temp: -186 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,015,648 km

• M1: 68,516 km (0.094 R)
• M2: 872,006 km (0.062 R)
• M3: 1,034,619 km (0.096 R)
• M4: 1,273,826 km (0.088 R)
• M5: 1,666,071 km (0.079 R)
• M6: 2,880,657 km (0.048 R)
• M7: 3,111,337 km (0.115 R)
• M8: 3,381,809 km (0.095 R)
• M9: 3,756,851 km (0.064 R)
• M10: 4,032,261 km (0.098 R)
• M11: 4,657,879 km (0.103 R)
• M12: 4,939,722 km (0.067 R)
• M13: 5,460,322 km (0.099 R)
• M14: 6,099,105 km (0.112 R)
• M15: 6,436,598 km (0.033 R)
• M16: 9,939,133 km (0.108 R)
• M17: 10,765,960 km (0.066 R)
• M18: 11,830,349 km (0.054 R)
• M19: 13,948,356 km (0.104 R)
• M20: 14,832,030 km (0.041 R)
• M21: 16,067,260 km (0.061 R)
• M22: 16,386,502 km (0.094 R)
• M23: 19,542,867 km (0.112 R)
• M24: 20,274,700 km (0.113 R)
• M25: 25,054,352 km (0.115 R)
• M26: 29,331,954 km (0.113 R)
• M27: 33,291,361 km (0.094 R)
• M28: 35,264,257 km (0.04 R)
• M29: 40,021,619 km (0.109 R)
• M30: 40,460,839 km (0.089 R)
• M31: 54,103,267 km (0.057 R)
• M32: 56,639,250 km (0.038 R)
• M33: 59,443,163 km (0.112 R)

Kuiper Belt

Range: 30.9 - 46.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 12,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit