🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.67 AU - 0.75 AU

Year: 217 Days

Day: 32.3 Hours

Environment

Temp: 185 °C

Axial Tilt: 86.3 °

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: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.73 AU - 0.93 AU

Year: 275 Days

Day: 35.8 Hours

Environment

Temp: 108 °C

Axial Tilt: 7.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,502,036 km

• M1: 102,475 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.83 AU - 1.05 AU

Year: 331 Days

Day: 13.9 Hours

Environment

Temp: 149 °C

Axial Tilt: 24.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,502,036 km

• M1: 474,973 km (0.097 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.95 AU - 1.23 AU

Year: 414 Days

Day: 45.3 Hours

Environment

Temp: 35 °C

Axial Tilt: 41.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.89 AU - 4.45 AU

Year: 3095 Days

Day: 20.9 Hours

Environment

Temp: -119 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,502,036 km

• M1: 149,747 km (0.029 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.22 AU - 4.66 AU

Year: 3400 Days

Day: 29.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.7

Radius: 14.3

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.35 AU - 7.17 AU

Year: 6388 Days

Day: 12.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,502,036 km

• M1: 177,872 km (0.077 R)
• M2: 652,396 km (0.1 R)
• M3: 1,134,401 km (0.082 R)
• M4: 2,222,576 km (0.038 R)
• M5: 3,273,351 km (0.087 R)
• M6: 4,633,794 km (0.11 R)
• M7: 5,647,020 km (0.093 R)
• M8: 7,060,122 km (0.035 R)
• M9: 8,153,084 km (0.083 R)
• M10: 9,401,179 km (0.063 R)
• M11: 10,822,658 km (0.103 R)
• M12: 13,561,795 km (0.069 R)
• M13: 14,937,048 km (0.105 R)
• M14: 15,626,844 km (0.102 R)
• M15: 17,547,531 km (0.11 R)
• M16: 19,994,653 km (0.111 R)
• M17: 20,525,426 km (0.076 R)
• M18: 20,987,833 km (0.043 R)
• M19: 21,694,534 km (0.112 R)
• M20: 23,995,199 km (0.113 R)
• M21: 26,727,305 km (0.12 R)
• M22: 31,255,782 km (0.07 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.1

Radius: 12.3

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.45 AU - 9.93 AU

Year: 8518 Days

Day: 5.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,502,036 km

• M1: 153,039 km (0.084 R)
• M2: 781,050 km (0.075 R)
• M3: 2,010,147 km (0.035 R)
• M4: 3,776,149 km (0.067 R)
• M5: 7,607,800 km (0.056 R)
• M6: 8,418,770 km (0.099 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.3

Radius: 12.7

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 10.75 AU - 12.01 AU

Year: 13952 Days

Day: 14.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,502,036 km

• M1: 158,125 km (0.1 R)
• M2: 690,544 km (0.108 R)
• M3: 1,203,964 km (0.089 R)
• M4: 1,684,771 km (0.077 R)
• M5: 2,508,008 km (0.039 R)
• M6: 3,259,139 km (0.116 R)
• M7: 3,768,071 km (0.064 R)
• M8: 4,271,019 km (0.12 R)
• M9: 4,882,575 km (0.088 R)
• M10: 5,764,156 km (0.109 R)
• M11: 6,243,467 km (0.091 R)
• M12: 8,715,123 km (0.037 R)
• M13: 11,262,476 km (0.108 R)
• M14: 11,779,336 km (0.072 R)
• M15: 12,372,043 km (0.064 R)
• M16: 13,553,268 km (0.112 R)
• M17: 15,151,123 km (0.118 R)
• M18: 20,953,127 km (0.085 R)
• M19: 22,358,449 km (0.119 R)
• M20: 24,107,996 km (0.064 R)
• M21: 27,360,703 km (0.111 R)
• M22: 31,796,130 km (0.1 R)
• M23: 32,714,212 km (0.109 R)
• M24: 33,414,330 km (0.103 R)
• M25: 34,124,471 km (0.083 R)
• M26: 35,330,230 km (0.077 R)
• M27: 38,727,747 km (0.113 R)
• M28: 39,642,837 km (0.068 R)
• M29: 40,840,667 km (0.05 R)
• M30: 46,604,225 km (0.119 R)

Kuiper Belt

Range: 30.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 10,544 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit