🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.67 AU - 0.97 AU

Year: 260 Days

Day: 45.9 Hours

Environment

Temp: 204 °C

Axial Tilt: 3.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.84 AU - 1.04 AU

Year: 319 Days

Day: 33.5 Hours

Environment

Temp: 95 °C

Axial Tilt: 17.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.01 AU - 1.57 AU

Year: 513 Days

Day: 26.3 Hours

Environment

Temp: 3 °C

Axial Tilt: 48.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.95 AU - 3.07 AU

Year: 1827 Days

Day: 29.1 Hours

Environment

Temp: -89 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.92 AU - 5.22 AU

Year: 3418 Days

Day: 44.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.5

Radius: 14.5

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 10.66 AU - 11.26 AU

Year: 12694 Days

Day: 9.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,618,276 km

• M1: 181,313 km (0.113 R)
• M2: 725,400 km (0.098 R)
• M3: 1,289,384 km (0.046 R)
• M4: 1,986,959 km (0.119 R)
• M5: 2,963,833 km (0.075 R)
• M6: 4,588,466 km (0.057 R)
• M7: 5,775,525 km (0.077 R)
• M8: 7,223,483 km (0.119 R)
• M9: 7,825,016 km (0.112 R)
• M10: 8,864,422 km (0.116 R)
• M11: 10,157,247 km (0.032 R)
• M12: 10,913,613 km (0.033 R)
• M13: 13,509,286 km (0.118 R)
• M14: 20,085,908 km (0.044 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888

Radius: 12.2

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 10.85 AU - 11.55 AU

Year: 13113 Days

Day: 5.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,618,276 km

• M1: 152,141 km (0.069 R)
• M2: 658,979 km (0.08 R)
• M3: 1,047,933 km (0.093 R)
• M4: 1,941,481 km (0.063 R)
• M5: 2,563,659 km (0.094 R)
• M6: 3,164,294 km (0.107 R)
• M7: 5,364,430 km (0.106 R)
• M8: 5,919,887 km (0.095 R)
• M9: 6,678,348 km (0.098 R)
• M10: 7,366,349 km (0.05 R)
• M11: 8,884,019 km (0.037 R)
• M12: 10,318,962 km (0.091 R)
• M13: 12,980,308 km (0.106 R)
• M14: 20,228,474 km (0.092 R)
• M15: 22,792,582 km (0.111 R)
• M16: 27,355,616 km (0.04 R)
• M17: 29,340,032 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272

Radius: 4

Gravity: 17 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 11.22 AU - 17.88 AU

Year: 19417 Days

Day: 22 Hours

Environment

Temp: -177 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,618,276 km

• M1: 62,831 km (0.084 R)
• M2: 200,012 km (0.107 R)
• M3: 1,001,558 km (0.12 R)
• M4: 1,913,058 km (0.118 R)
• M5: 2,299,319 km (0.032 R)
• M6: 2,605,696 km (0.09 R)
• M7: 4,528,028 km (0.117 R)
• M8: 5,487,100 km (0.106 R)
• M9: 5,920,934 km (0.102 R)
• M10: 6,534,435 km (0.111 R)
• M11: 6,815,829 km (0.094 R)
• M12: 7,402,551 km (0.07 R)
• M13: 9,930,606 km (0.09 R)
• M14: 16,823,328 km (0.09 R)
• M15: 21,099,583 km (0.113 R)
• M16: 29,379,975 km (0.056 R)
• M17: 36,249,060 km (0.115 R)
• M18: 40,119,905 km (0.082 R)
• M19: 54,668,597 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.3

Radius: 4.3

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 15.53 AU - 19.41 AU

Year: 25546 Days

Day: 17.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,618,276 km

• M1: 53,855 km (0.076 R)
• M2: 335,997 km (0.057 R)
• M3: 798,404 km (0.097 R)
• M4: 1,316,611 km (0.049 R)
• M5: 1,541,456 km (0.117 R)
• M6: 3,167,286 km (0.084 R)
• M7: 3,897,324 km (0.079 R)
• M8: 4,154,034 km (0.118 R)
• M9: 10,105,336 km (0.073 R)
• M10: 10,644,786 km (0.075 R)
• M11: 12,932,287 km (0.089 R)
• M12: 14,357,356 km (0.12 R)
• M13: 23,443,333 km (0.102 R)
• M14: 27,573,730 km (0.035 R)
• M15: 28,623,907 km (0.057 R)
• M16: 32,163,841 km (0.1 R)
• M17: 32,394,222 km (0.112 R)
• M18: 35,002,461 km (0.102 R)
• M19: 37,619,526 km (0.062 R)
• M20: 38,003,693 km (0.084 R)
• M21: 42,681,170 km (0.057 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 18,677 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit