🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.62 AU - 0.82 AU

Year: 222 Days

Day: 45.6 Hours

Environment

Temp: 195 °C

Axial Tilt: 27.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.06 AU - 1.28 AU

Year: 460 Days

Day: 35.7 Hours

Environment

Temp: 23 °C

Axial Tilt: 12.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 106,545,814 km

• M1: 46,675 km (0.086 R)
• M2: 141,220 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.56 AU - 1.82 AU

Year: 798 Days

Day: 21.6 Hours

Environment

Temp: -43 °C

Axial Tilt: 116.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 106,545,814 km

• M1: 252,372 km (0.081 R)
• M2: 352,453 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.65 AU - 1.87 AU

Year: 849 Days

Day: 20.5 Hours

Environment

Temp: -61 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.6 AU - 2.42 AU

Year: 1036 Days

Day: 22.7 Hours

Environment

Temp: -61 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.3 AU - 3.24 AU

Year: 1676 Days

Day: 13 Hours

Environment

Temp: -90 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.63 AU - 5.15 AU

Year: 3343 Days

Day: 47.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.8

Radius: 11.2

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.46 AU - 5.52 AU

Year: 4051 Days

Day: 5.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 106,545,814 km

• M1: 139,276 km (0.098 R)
• M2: 608,714 km (0.114 R)
• M3: 1,106,875 km (0.054 R)
• M4: 1,706,164 km (0.083 R)
• M5: 2,182,184 km (0.101 R)
• M6: 4,941,517 km (0.108 R)
• M7: 6,365,988 km (0.084 R)
• M8: 6,957,647 km (0.109 R)
• M9: 7,748,571 km (0.114 R)
• M10: 8,919,025 km (0.092 R)
• M11: 10,767,307 km (0.09 R)
• M12: 11,309,001 km (0.098 R)
• M13: 15,052,388 km (0.111 R)
• M14: 15,783,174 km (0.07 R)
• M15: 16,319,482 km (0.12 R)
• M16: 16,923,409 km (0.067 R)
• M17: 17,485,298 km (0.092 R)
• M18: 18,059,605 km (0.081 R)
• M19: 20,737,406 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.2

Radius: 14

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 9.42 AU - 9.92 AU

Year: 10929 Days

Day: 8.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 64.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 106,545,814 km

• M1: 175,628 km (0.118 R)
• M2: 718,668 km (0.109 R)
• M3: 1,269,488 km (0.056 R)
• M4: 2,263,715 km (0.11 R)
• M5: 3,259,887 km (0.072 R)
• M6: 4,944,958 km (0.088 R)
• M7: 5,850,474 km (0.05 R)
• M8: 8,851,556 km (0.036 R)
• M9: 10,001,366 km (0.068 R)
• M10: 12,650,445 km (0.106 R)
• M11: 13,819,403 km (0.065 R)
• M12: 15,488,616 km (0.05 R)
• M13: 16,630,346 km (0.082 R)
• M14: 17,355,298 km (0.103 R)
• M15: 21,609,113 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.2

Radius: 8

Gravity: 13.68 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 16.9 AU - 20.44 AU

Year: 29319 Days

Day: 18.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 106,545,814 km

• M1: 99,632 km (0.105 R)
• M2: 577,597 km (0.1 R)
• M3: 1,172,249 km (0.066 R)
• M4: 1,782,758 km (0.1 R)
• M5: 2,194,601 km (0.047 R)
• M6: 5,107,421 km (0.118 R)
• M7: 5,986,608 km (0.104 R)
• M8: 7,382,356 km (0.116 R)
• M9: 7,873,785 km (0.118 R)
• M10: 11,151,025 km (0.071 R)
• M11: 11,652,178 km (0.082 R)
• M12: 14,219,726 km (0.103 R)
• M13: 14,554,526 km (0.092 R)
• M14: 24,142,104 km (0.065 R)
• M15: 30,563,443 km (0.094 R)
• M16: 30,981,420 km (0.068 R)
• M17: 33,865,816 km (0.077 R)
• M18: 42,193,331 km (0.047 R)
• M19: 54,192,277 km (0.103 R)
• M20: 57,511,705 km (0.047 R)
• M21: 65,240,379 km (0.098 R)
• M22: 69,712,458 km (0.07 R)
• M23: 85,720,328 km (0.096 R)
• M24: 98,760,325 km (0.098 R)

Kuiper Belt

Range: 30.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 17,524 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit