🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.75 AU - 1.07 AU

Year: 315 Days

Day: 21.2 Hours

Environment

Temp: 137 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.9 AU - 1.36 AU

Year: 437 Days

Day: 13.6 Hours

Environment

Temp: 11 °C

Axial Tilt: 36.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.26 AU - 1.46 AU

Year: 576 Days

Day: 27.7 Hours

Environment

Temp: 1 °C

Axial Tilt: 35.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 63,533,966 km

• M1: 110,702 km (0.043 R)
• M2: 914,641 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.37 AU - 1.57 AU

Year: 648 Days

Day: 40.7 Hours

Environment

Temp: -28 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.35 AU - 1.65 AU

Year: 668 Days

Day: 39.9 Hours

Environment

Temp: -24 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494

Radius: 10.7

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 8.8 AU - 13.88 AU

Year: 13879 Days

Day: 14.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,533,966 km

• M1: 133,292 km (0.072 R)
• M2: 516,561 km (0.077 R)
• M3: 2,248,456 km (0.069 R)
• M4: 4,057,393 km (0.071 R)
• M5: 5,059,699 km (0.118 R)
• M6: 5,393,901 km (0.109 R)
• M7: 5,814,570 km (0.091 R)
• M8: 7,897,122 km (0.051 R)
• M9: 8,769,128 km (0.1 R)
• M10: 10,275,279 km (0.11 R)
• M11: 16,613,592 km (0.091 R)
• M12: 17,056,252 km (0.117 R)
• M13: 17,811,721 km (0.062 R)
• M14: 19,797,782 km (0.118 R)
• M15: 21,489,734 km (0.093 R)
• M16: 23,923,841 km (0.106 R)
• M17: 24,870,347 km (0.076 R)
• M18: 26,938,986 km (0.108 R)
• M19: 36,365,447 km (0.096 R)
• M20: 37,616,085 km (0.107 R)
• M21: 46,163,061 km (0.117 R)
• M22: 46,892,051 km (0.097 R)
• M23: 48,974,453 km (0.093 R)
• M24: 50,345,069 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.6

Radius: 7.4

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 11.2 AU - 15.98 AU

Year: 18208 Days

Day: 15.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,533,966 km

• M1: 92,451 km (0.079 R)
• M2: 642,523 km (0.056 R)
• M3: 2,412,864 km (0.036 R)
• M4: 4,624,818 km (0.12 R)
• M5: 5,410,955 km (0.093 R)
• M6: 6,566,449 km (0.116 R)
• M7: 6,900,501 km (0.094 R)
• M8: 7,602,863 km (0.105 R)
• M9: 8,303,579 km (0.049 R)
• M10: 10,721,679 km (0.112 R)
• M11: 11,068,298 km (0.062 R)
• M12: 11,783,974 km (0.115 R)
• M13: 12,593,598 km (0.069 R)
• M14: 13,573,164 km (0.09 R)
• M15: 13,910,807 km (0.055 R)
• M16: 14,814,677 km (0.107 R)
• M17: 15,683,392 km (0.106 R)
• M18: 17,049,370 km (0.072 R)
• M19: 18,165,370 km (0.087 R)
• M20: 18,658,295 km (0.055 R)
• M21: 20,542,181 km (0.085 R)
• M22: 29,800,793 km (0.097 R)
• M23: 34,072,710 km (0.104 R)
• M24: 37,136,923 km (0.101 R)
• M25: 38,871,062 km (0.079 R)
• M26: 40,241,229 km (0.086 R)
• M27: 40,938,205 km (0.063 R)
• M28: 41,785,228 km (0.115 R)
• M29: 47,732,941 km (0.108 R)
• M30: 49,781,235 km (0.073 R)
• M31: 50,101,374 km (0.098 R)
• M32: 55,071,315 km (0.117 R)
• M33: 60,906,679 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.1

Radius: 3.8

Gravity: 26.11 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 14.73 AU - 14.75 AU

Year: 20567 Days

Day: 22 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,533,966 km

• M1: 47,273 km (0.04 R)
• M2: 180,415 km (0.067 R)
• M3: 503,696 km (0.109 R)
• M4: 980,913 km (0.116 R)
• M5: 1,367,624 km (0.115 R)
• M6: 2,031,539 km (0.117 R)
• M7: 4,327,418 km (0.116 R)
• M8: 4,454,875 km (0.108 R)
• M9: 5,755,628 km (0.095 R)
• M10: 5,948,909 km (0.094 R)
• M11: 6,267,253 km (0.118 R)
• M12: 6,471,753 km (0.112 R)
• M13: 7,470,768 km (0.072 R)
• M14: 8,568,368 km (0.099 R)
• M15: 12,888,156 km (0.102 R)
• M16: 18,971,254 km (0.108 R)
• M17: 26,937,939 km (0.114 R)
• M18: 27,696,999 km (0.106 R)
• M19: 28,918,316 km (0.082 R)
• M20: 33,289,266 km (0.096 R)
• M21: 34,415,439 km (0.032 R)
• M22: 38,216,272 km (0.036 R)
• M23: 40,428,376 km (0.094 R)
• M24: 42,724,404 km (0.119 R)
• M25: 48,046,947 km (0.099 R)
• M26: 49,483,535 km (0.088 R)
• M27: 63,153,788 km (0.028 R)

Kuiper Belt

Range: 30.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 11,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit