🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.51 AU - 0.65 AU

Year: 160 Days

Day: 22.7 Hours

Environment

Temp: 175 °C

Axial Tilt: 29.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.8 AU - 0.86 AU

Year: 273 Days

Day: 31.3 Hours

Environment

Temp: 160 °C

Axial Tilt: 12 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.05 AU - 1.17 AU

Year: 423 Days

Day: 47.7 Hours

Environment

Temp: 14 °C

Axial Tilt: 28.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.24 AU - 1.36 AU

Year: 536 Days

Day: 34.5 Hours

Environment

Temp: -0 °C

Axial Tilt: 5.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.09 AU - 1.75 AU

Year: 612 Days

Day: 18 Hours

Environment

Temp: -12 °C

Axial Tilt: 0.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.54 AU - 2.06 AU

Year: 873 Days

Day: 14.4 Hours

Environment

Temp: -46 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,419,155 km

• M1: 35,604 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.8

Radius: 10.8

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.02 AU - 9.22 AU

Year: 9961 Days

Day: 11 Hours

Environment

Temp: -162 °C

Axial Tilt: 154.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,419,155 km

• M1: 135,984 km (0.055 R)
• M2: 849,866 km (0.112 R)
• M3: 1,347,727 km (0.078 R)
• M4: 1,983,967 km (0.114 R)
• M5: 2,789,402 km (0.061 R)
• M6: 3,267,517 km (0.059 R)
• M7: 5,438,481 km (0.113 R)
• M8: 5,823,097 km (0.109 R)
• M9: 6,376,759 km (0.054 R)
• M10: 8,160,713 km (0.109 R)
• M11: 8,854,997 km (0.109 R)
• M12: 9,438,279 km (0.106 R)
• M13: 10,681,886 km (0.03 R)
• M14: 11,119,909 km (0.093 R)
• M15: 11,626,747 km (0.112 R)
• M16: 17,882,780 km (0.085 R)
• M17: 18,422,828 km (0.107 R)
• M18: 20,274,551 km (0.056 R)
• M19: 21,288,525 km (0.064 R)
• M20: 23,877,915 km (0.04 R)
• M21: 26,174,092 km (0.083 R)
• M22: 32,324,210 km (0.059 R)
• M23: 33,010,715 km (0.08 R)
• M24: 33,357,483 km (0.112 R)
• M25: 35,248,849 km (0.09 R)
• M26: 36,589,844 km (0.082 R)
• M27: 37,964,648 km (0.114 R)
• M28: 50,685,703 km (0.037 R)
• M29: 52,236,285 km (0.096 R)

Asteroid Belt

Center: 10.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.5

Radius: 13.3

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 9.59 AU - 12.19 AU

Year: 12997 Days

Day: 5.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,419,155 km

• M1: 165,904 km (0.073 R)
• M2: 590,014 km (0.053 R)
• M3: 1,215,782 km (0.062 R)
• M4: 1,807,441 km (0.068 R)
• M5: 2,361,851 km (0.12 R)
• M6: 3,840,626 km (0.088 R)
• M7: 5,353,210 km (0.106 R)
• M8: 6,864,747 km (0.067 R)
• M9: 7,543,173 km (0.104 R)
• M10: 8,644,513 km (0.077 R)
• M11: 9,074,308 km (0.109 R)
• M12: 10,019,168 km (0.108 R)
• M13: 17,736,772 km (0.119 R)
• M14: 18,690,309 km (0.029 R)
• M15: 20,286,818 km (0.032 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.3

Radius: 6.3

Gravity: 17.06 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 11.05 AU - 14.77 AU

Year: 16776 Days

Day: 15 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,419,155 km

• M1: 314,904 km (0.104 R)
• M2: 805,285 km (0.112 R)
• M3: 2,701,887 km (0.118 R)
• M4: 2,916,410 km (0.074 R)
• M5: 3,194,064 km (0.109 R)
• M6: 3,572,996 km (0.086 R)
• M7: 6,012,488 km (0.099 R)
• M8: 9,601,790 km (0.092 R)
• M9: 10,979,437 km (0.084 R)
• M10: 13,838,551 km (0.094 R)
• M11: 20,881,020 km (0.119 R)
• M12: 21,252,472 km (0.035 R)
• M13: 24,693,223 km (0.046 R)
• M14: 27,255,984 km (0.09 R)
• M15: 28,830,053 km (0.115 R)
• M16: 39,423,976 km (0.114 R)
• M17: 42,316,002 km (0.097 R)
• M18: 48,518,180 km (0.108 R)
• M19: 50,490,628 km (0.117 R)
• M20: 66,814,897 km (0.057 R)

Kuiper Belt

Range: 30.3 - 47.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 19,737 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit