🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.56 AU - 0.8 AU

Year: 196 Days

Day: 45.8 Hours

Environment

Temp: 207 °C

Axial Tilt: 6.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.25 AU - 1.35 AU

Year: 519 Days

Day: 47 Hours

Environment

Temp: 15 °C

Axial Tilt: 48.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.49 AU - 2.95 AU

Year: 1569 Days

Day: 32 Hours

Environment

Temp: -76 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.24 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.71 AU - 3.8 AU

Year: 2541 Days

Day: 33 Hours

Environment

Temp: -99 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.14 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.1

Radius: 9

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.34 AU - 8.72 AU

Year: 8716 Days

Day: 14.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,516,447 km

• M1: 112,049 km (0.103 R)
• M2: 427,551 km (0.085 R)
• M3: 741,856 km (0.056 R)
• M4: 1,193,791 km (0.091 R)
• M5: 1,646,923 km (0.051 R)
• M6: 3,434,618 km (0.118 R)
• M7: 4,846,672 km (0.107 R)
• M8: 6,392,167 km (0.089 R)
• M9: 7,024,667 km (0.113 R)
• M10: 10,125,681 km (0.092 R)
• M11: 12,505,036 km (0.029 R)
• M12: 14,284,353 km (0.108 R)
• M13: 15,169,822 km (0.09 R)
• M14: 18,558,513 km (0.063 R)
• M15: 19,080,610 km (0.102 R)
• M16: 31,585,047 km (0.065 R)
• M17: 38,348,666 km (0.115 R)
• M18: 40,926,985 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798

Radius: 9.5

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 8.55 AU - 9.57 AU

Year: 9540 Days

Day: 7.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 26,516,447 km

• M1: 119,230 km (0.079 R)
• M2: 474,225 km (0.092 R)
• M3: 1,088,624 km (0.084 R)
• M4: 1,823,149 km (0.067 R)
• M5: 2,567,997 km (0.106 R)
• M6: 3,454,215 km (0.115 R)
• M7: 4,022,088 km (0.037 R)
• M8: 4,957,673 km (0.091 R)
• M9: 5,715,387 km (0.064 R)
• M10: 6,360,602 km (0.11 R)
• M11: 7,093,632 km (0.037 R)
• M12: 7,838,928 km (0.074 R)
• M13: 10,441,183 km (0.052 R)
• M14: 11,349,841 km (0.116 R)
• M15: 11,739,095 km (0.064 R)
• M16: 13,263,198 km (0.111 R)
• M17: 15,928,284 km (0.095 R)
• M18: 18,016,221 km (0.114 R)
• M19: 18,546,246 km (0.092 R)
• M20: 21,607,318 km (0.115 R)
• M21: 22,033,672 km (0.094 R)
• M22: 24,803,626 km (0.055 R)
• M23: 29,747,088 km (0.08 R)
• M24: 30,487,747 km (0.058 R)
• M25: 32,448,825 km (0.117 R)
• M26: 38,211,186 km (0.113 R)
• M27: 42,989,043 km (0.092 R)
• M28: 46,292,463 km (0.098 R)
• M29: 47,001,407 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.8

Radius: 10.3

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.27 AU - 10.17 AU

Year: 10602 Days

Day: 9.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 26,516,447 km

• M1: 128,355 km (0.066 R)
• M2: 468,092 km (0.115 R)
• M3: 1,028,037 km (0.07 R)
• M4: 1,842,896 km (0.105 R)
• M5: 2,484,521 km (0.088 R)
• M6: 2,805,409 km (0.1 R)
• M7: 3,131,682 km (0.042 R)
• M8: 3,783,629 km (0.078 R)
• M9: 4,790,872 km (0.108 R)
• M10: 5,422,923 km (0.108 R)
• M11: 6,815,081 km (0.111 R)
• M12: 7,866,903 km (0.117 R)
• M13: 8,387,504 km (0.072 R)
• M14: 9,888,718 km (0.043 R)
• M15: 15,526,613 km (0.117 R)
• M16: 15,864,854 km (0.116 R)
• M17: 16,908,898 km (0.102 R)
• M18: 19,444,432 km (0.038 R)
• M19: 21,380,079 km (0.085 R)
• M20: 21,798,953 km (0.041 R)
• M21: 22,739,924 km (0.03 R)
• M22: 25,819,246 km (0.069 R)
• M23: 28,555,840 km (0.101 R)
• M24: 33,237,655 km (0.116 R)
• M25: 34,483,356 km (0.094 R)
• M26: 39,401,386 km (0.115 R)
• M27: 40,924,741 km (0.068 R)
• M28: 45,453,817 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.3

Radius: 3.7

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 13.29 AU - 17.37 AU

Year: 20999 Days

Day: 24.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,516,447 km

• M1: 46,675 km (0.082 R)
• M2: 200,461 km (0.056 R)
• M3: 351,555 km (0.105 R)
• M4: 2,673,314 km (0.115 R)
• M5: 3,141,256 km (0.084 R)
• M6: 5,104,579 km (0.044 R)
• M7: 10,947,423 km (0.086 R)
• M8: 20,591,100 km (0.096 R)
• M9: 22,172,499 km (0.106 R)
• M10: 26,437,085 km (0.043 R)

Kuiper Belt

Range: 31.4 - 48.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 14,133 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit