🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.62 AU - 0.78 AU

Year: 259 Days

Day: 38.3 Hours

Environment

Temp: -18 °C

Axial Tilt: 14.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.71 AU - 1.03 AU

Year: 359 Days

Day: 27.2 Hours

Environment

Temp: -48 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 95,395,007 km

• M1: 20,196 km (0.096 R)
• M2: 339,737 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1 AU - 1.38 AU

Year: 575 Days

Day: 21.4 Hours

Environment

Temp: -84 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.16 AU - 1.56 AU

Year: 702 Days

Day: 31.1 Hours

Environment

Temp: -102 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.6

Radius: 10.9

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.49 AU - 5.25 AU

Year: 4046 Days

Day: 10 Hours

Environment

Temp: -172 °C

Axial Tilt: 172.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 95,395,007 km

• M1: 158,275 km (0.063 R)
• M2: 500,255 km (0.103 R)
• M3: 1,128,866 km (0.057 R)
• M4: 1,651,112 km (0.067 R)
• M5: 2,075,670 km (0.105 R)
• M6: 2,572,784 km (0.095 R)
• M7: 5,431,151 km (0.069 R)
• M8: 6,895,863 km (0.099 R)
• M9: 10,024,703 km (0.111 R)
• M10: 10,900,598 km (0.104 R)
• M11: 11,970,223 km (0.108 R)
• M12: 12,804,680 km (0.082 R)
• M13: 13,677,584 km (0.067 R)
• M14: 15,656,464 km (0.1 R)
• M15: 18,582,449 km (0.076 R)
• M16: 19,301,117 km (0.107 R)
• M17: 21,639,781 km (0.057 R)
• M18: 23,175,253 km (0.119 R)
• M19: 24,860,473 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.6

Radius: 7.3

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 10.82 AU - 13.02 AU

Year: 18228 Days

Day: 24.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 95,395,007 km

• M1: 93,947 km (0.03 R)
• M2: 452,534 km (0.097 R)
• M3: 1,047,634 km (0.038 R)
• M4: 1,351,168 km (0.11 R)
• M5: 1,635,554 km (0.113 R)
• M6: 1,908,420 km (0.045 R)
• M7: 2,485,569 km (0.068 R)
• M8: 3,295,491 km (0.043 R)
• M9: 4,480,157 km (0.083 R)
• M10: 8,242,095 km (0.061 R)
• M11: 8,711,383 km (0.063 R)
• M12: 9,651,905 km (0.106 R)
• M13: 11,102,705 km (0.082 R)
• M14: 13,192,139 km (0.058 R)
• M15: 17,134,192 km (0.116 R)
• M16: 17,975,979 km (0.113 R)
• M17: 19,991,362 km (0.102 R)
• M18: 20,923,955 km (0.068 R)
• M19: 30,219,219 km (0.112 R)
• M20: 33,644,112 km (0.112 R)
• M21: 38,601,337 km (0.025 R)
• M22: 39,122,386 km (0.044 R)
• M23: 42,623,725 km (0.053 R)
• M24: 51,175,936 km (0.081 R)
• M25: 53,399,110 km (0.086 R)
• M26: 54,045,821 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.9

Radius: 3.7

Gravity: 14.97 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 12.83 AU - 13.27 AU

Year: 20881 Days

Day: 15.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 95,395,007 km

• M1: 46,076 km (0.059 R)
• M2: 183,557 km (0.116 R)
• M3: 1,098,946 km (0.069 R)
• M4: 1,257,221 km (0.109 R)
• M5: 1,545,196 km (0.106 R)
• M6: 1,665,922 km (0.072 R)
• M7: 1,892,413 km (0.085 R)
• M8: 2,653,717 km (0.112 R)
• M9: 2,805,259 km (0.114 R)
• M10: 3,222,039 km (0.077 R)
• M11: 4,382,769 km (0.109 R)
• M12: 4,503,195 km (0.035 R)
• M13: 4,942,414 km (0.12 R)
• M14: 5,478,424 km (0.102 R)
• M15: 6,126,781 km (0.086 R)
• M16: 7,027,809 km (0.108 R)
• M17: 9,685,265 km (0.059 R)
• M18: 12,157,819 km (0.092 R)
• M19: 13,317,352 km (0.085 R)
• M20: 14,749,752 km (0.093 R)
• M21: 16,717,113 km (0.031 R)
• M22: 22,654,354 km (0.06 R)
• M23: 29,426,948 km (0.094 R)
• M24: 31,615,864 km (0.116 R)
• M25: 35,825,249 km (0.065 R)
• M26: 37,057,487 km (0.117 R)
• M27: 38,190,392 km (0.08 R)
• M28: 40,923,246 km (0.082 R)
• M29: 45,049,304 km (0.06 R)
• M30: 46,339,137 km (0.038 R)
• M31: 47,948,810 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.6

Radius: 7.4

Gravity: 16.1 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 13.08 AU - 15.12 AU

Year: 23451 Days

Day: 15.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 95,395,007 km

• M1: 93,349 km (0.105 R)
• M2: 752,926 km (0.09 R)
• M3: 1,983,369 km (0.112 R)
• M4: 3,306,711 km (0.053 R)
• M5: 4,136,232 km (0.107 R)
• M6: 5,217,076 km (0.064 R)
• M7: 6,290,441 km (0.063 R)
• M8: 9,637,394 km (0.098 R)
• M9: 10,070,330 km (0.102 R)
• M10: 10,516,132 km (0.115 R)
• M11: 11,515,595 km (0.093 R)
• M12: 13,094,152 km (0.115 R)
• M13: 16,851,153 km (0.073 R)
• M14: 40,451,264 km (0.096 R)
• M15: 51,717,480 km (0.117 R)
• M16: 60,010,288 km (0.069 R)
• M17: 67,339,537 km (0.098 R)
• M18: 68,692,051 km (0.099 R)
• M19: 70,523,279 km (0.115 R)
• M20: 71,684,308 km (0.089 R)
• M21: 75,002,538 km (0.09 R)
• M22: 91,481,043 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.8

Radius: 5.8

Gravity: 26.84 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 13.79 AU - 15.21 AU

Year: 24456 Days

Day: 20.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 95,395,007 km

• M1: 72,256 km (0.081 R)
• M2: 477,367 km (0.066 R)
• M3: 1,262,456 km (0.084 R)
• M4: 1,690,157 km (0.104 R)
• M5: 3,051,497 km (0.062 R)
• M6: 4,159,120 km (0.094 R)
• M7: 5,597,055 km (0.072 R)
• M8: 10,352,771 km (0.118 R)
• M9: 11,014,293 km (0.061 R)
• M10: 15,333,632 km (0.085 R)
• M11: 18,099,547 km (0.099 R)
• M12: 19,949,624 km (0.097 R)
• M13: 23,010,845 km (0.036 R)
• M14: 31,659,697 km (0.063 R)
• M15: 33,615,838 km (0.056 R)
• M16: 34,189,247 km (0.07 R)
• M17: 46,891,752 km (0.087 R)
• M18: 47,787,544 km (0.117 R)
• M19: 57,789,657 km (0.096 R)
• M20: 61,980,642 km (0.116 R)
• M21: 93,407,265 km (0.084 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: 250 - 16,551 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit