🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.64 AU - 0.94 AU

Year: 255 Days

Day: 47.7 Hours

Environment

Temp: 131 °C

Axial Tilt: 16.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.87 AU - 0.91 AU

Year: 305 Days

Day: 19.3 Hours

Environment

Temp: 164 °C

Axial Tilt: 0.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,776,750 km

• M1: 416,929 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.14 AU - 1.14 AU

Year: 442 Days

Day: 38.4 Hours

Environment

Temp: 11 °C

Axial Tilt: 43.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.31 AU - 5.47 AU

Year: 3343 Days

Day: 36.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.53 AU - 5.89 AU

Year: 3715 Days

Day: 24.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.06 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.3

Radius: 14.4

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.95 AU - 5.85 AU

Year: 4561 Days

Day: 5.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,776,750 km

• M1: 179,517 km (0.109 R)
• M2: 860,936 km (0.085 R)
• M3: 1,313,619 km (0.093 R)
• M4: 2,093,173 km (0.106 R)
• M5: 3,413,674 km (0.12 R)
• M6: 5,041,149 km (0.11 R)
• M7: 6,027,747 km (0.091 R)
• M8: 7,230,514 km (0.115 R)
• M9: 8,051,806 km (0.096 R)
• M10: 10,853,176 km (0.1 R)
• M11: 14,347,483 km (0.109 R)
• M12: 15,955,660 km (0.066 R)
• M13: 17,020,199 km (0.119 R)
• M14: 18,302,252 km (0.059 R)
• M15: 19,231,405 km (0.105 R)
• M16: 20,622,066 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.4

Radius: 3.6

Gravity: 26.88 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 11.05 AU - 17.25 AU

Year: 19345 Days

Day: 22.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 51,776,750 km

• M1: 44,879 km (0.034 R)
• M2: 157,975 km (0.118 R)
• M3: 326,273 km (0.08 R)
• M4: 586,723 km (0.114 R)
• M5: 834,906 km (0.111 R)
• M6: 1,252,433 km (0.077 R)
• M7: 1,553,125 km (0.102 R)
• M8: 1,779,167 km (0.061 R)
• M9: 2,589,689 km (0.083 R)
• M10: 5,381,933 km (0.103 R)
• M11: 6,816,577 km (0.111 R)
• M12: 7,420,054 km (0.102 R)
• M13: 7,734,808 km (0.062 R)
• M14: 9,653,551 km (0.106 R)
• M15: 9,974,438 km (0.078 R)
• M16: 10,524,958 km (0.118 R)
• M17: 10,979,736 km (0.106 R)
• M18: 11,095,375 km (0.113 R)
• M19: 11,329,196 km (0.042 R)
• M20: 11,928,336 km (0.106 R)
• M21: 12,866,015 km (0.105 R)
• M22: 14,746,161 km (0.119 R)
• M23: 19,544,363 km (0.086 R)
• M24: 21,832,762 km (0.102 R)
• M25: 22,946,668 km (0.069 R)
• M26: 23,806,706 km (0.119 R)
• M27: 27,674,858 km (0.048 R)
• M28: 28,539,384 km (0.117 R)
• M29: 32,653,176 km (0.076 R)
• M30: 34,726,154 km (0.108 R)
• M31: 34,975,683 km (0.108 R)
• M32: 35,226,409 km (0.076 R)
• M33: 38,997,472 km (0.095 R)
• M34: 41,890,246 km (0.096 R)
• M35: 47,329,026 km (0.109 R)
• M36: 52,889,729 km (0.091 R)
• M37: 54,554,903 km (0.088 R)
• M38: 59,047,177 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.1

Radius: 5.8

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 14.42 AU - 15.06 AU

Year: 20567 Days

Day: 16.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,776,750 km

• M1: 102,774 km (0.1 R)
• M2: 645,515 km (0.104 R)
• M3: 980,913 km (0.094 R)
• M4: 1,346,231 km (0.037 R)
• M5: 2,050,987 km (0.053 R)
• M6: 2,607,042 km (0.119 R)
• M7: 2,976,998 km (0.084 R)
• M8: 3,186,584 km (0.11 R)
• M9: 4,041,237 km (0.055 R)
• M10: 5,790,186 km (0.099 R)
• M11: 7,011,802 km (0.06 R)
• M12: 7,426,487 km (0.087 R)
• M13: 8,721,556 km (0.053 R)
• M14: 9,348,221 km (0.07 R)
• M15: 16,258,147 km (0.09 R)
• M16: 30,717,679 km (0.097 R)
• M17: 39,551,283 km (0.095 R)
• M18: 41,795,401 km (0.106 R)
• M19: 45,247,671 km (0.056 R)
• M20: 50,851,607 km (0.113 R)

Kuiper Belt

Range: 30.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 16,695 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit