🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.62 AU - 0.94 AU

Year: 249 Days

Day: 33.3 Hours

Environment

Temp: 158 °C

Axial Tilt: 78.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.69 AU - 0.87 AU

Year: 249 Days

Day: 17.6 Hours

Environment

Temp: 130 °C

Axial Tilt: 38.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.69 AU - 0.89 AU

Year: 254 Days

Day: 41 Hours

Environment

Temp: 184 °C

Axial Tilt: 75.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.84 AU - 0.86 AU

Year: 283 Days

Day: 47.3 Hours

Environment

Temp: 96 °C

Axial Tilt: 22.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,647,306 km

• M1: 516,861 km (0.114 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.77 AU - 1.27 AU

Year: 373 Days

Day: 12.9 Hours

Environment

Temp: 39 °C

Axial Tilt: 41.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.91 AU - 1.37 AU

Year: 440 Days

Day: 13.2 Hours

Environment

Temp: 17 °C

Axial Tilt: 15.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 7 - Terrestrial

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.57 AU - 2.71 AU

Year: 1551 Days

Day: 19.4 Hours

Environment

Temp: -97 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,647,306 km

• M1: 736,919 km (0.118 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.53 AU - 4.09 AU

Year: 2178 Days

Day: 39.5 Hours

Environment

Temp: -103 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.49 AU - 4.13 AU

Year: 2690 Days

Day: 23.5 Hours

Environment

Temp: -116 °C

Axial Tilt: 43.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,647,306 km

• M1: 1,353,861 km (0.06 R)

Asteroid Belt

Center: 6.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Gas Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.3

Radius: 12.5

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 8.18 AU - 10.68 AU

Year: 10473 Days

Day: 10.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 51,647,306 km

• M1: 223,200 km (0.103 R)
• M2: 323,431 km (0.057 R)
• M3: 598,691 km (0.059 R)
• M4: 837,898 km (0.111 R)
• M5: 1,409,062 km (0.103 R)
• M6: 1,808,189 km (0.095 R)
• M7: 2,852,831 km (0.11 R)
• M8: 2,969,219 km (0.109 R)
• M9: 4,760,952 km (0.115 R)
• M10: 5,181,621 km (0.12 R)
• M11: 5,724,512 km (0.113 R)
• M12: 5,984,064 km (0.082 R)
• M13: 6,171,810 km (0.048 R)
• M14: 6,630,626 km (0.08 R)
• M15: 6,825,104 km (0.048 R)
• M16: 7,100,513 km (0.1 R)
• M17: 7,500,239 km (0.082 R)
• M18: 7,702,944 km (0.1 R)
• M19: 7,948,584 km (0.117 R)
• M20: 8,072,451 km (0.032 R)
• M21: 8,871,453 km (0.067 R)
• M22: 9,302,295 km (0.104 R)
• M23: 9,739,869 km (0.12 R)
• M24: 10,139,444 km (0.112 R)
• M25: 10,499,227 km (0.074 R)
• M26: 10,726,167 km (0.052 R)
• M27: 11,000,829 km (0.062 R)
• M28: 11,138,908 km (0.088 R)
• M29: 11,650,533 km (0.063 R)
• M30: 11,744,330 km (0.077 R)
• M31: 12,552,159 km (0.074 R)
• M32: 12,889,951 km (0.051 R)
• M33: 13,377,790 km (0.069 R)
• M34: 14,071,026 km (0.062 R)
• M35: 14,674,654 km (0.074 R)
• M36: 15,544,116 km (0.095 R)
• M37: 16,482,843 km (0.062 R)
• M38: 16,588,309 km (0.06 R)
• M39: 17,065,676 km (0.1 R)
• M40: 17,979,570 km (0.114 R)
• M41: 18,305,992 km (0.037 R)
• M42: 19,408,080 km (0.102 R)
• M43: 20,929,789 km (0.104 R)
• M44: 21,560,793 km (0.109 R)
• M45: 21,733,878 km (0.098 R)
• M46: 22,023,499 km (0.063 R)
• M47: 22,431,154 km (0.034 R)
• M48: 22,723,917 km (0.1 R)
• M49: 23,313,183 km (0.119 R)
• M50: 23,788,156 km (0.107 R)
• M51: 23,907,385 km (0.088 R)
• M52: 25,110,900 km (0.113 R)
• M53: 26,149,409 km (0.118 R)
• M54: 26,766,799 km (0.073 R)
• M55: 27,201,830 km (0.091 R)
• M56: 28,016,091 km (0.09 R)
• M57: 28,711,272 km (0.112 R)
• M58: 29,092,896 km (0.081 R)
• M59: 29,412,138 km (0.088 R)
• M60: 34,136,888 km (0.084 R)
• M61: 34,541,251 km (0.052 R)
• M62: 34,743,956 km (0.083 R)
• M63: 35,900,198 km (0.078 R)
• M64: 36,037,080 km (0.041 R)
• M65: 36,379,958 km (0.078 R)
• M66: 36,724,033 km (0.103 R)
• M67: 37,623,565 km (0.076 R)
• M68: 38,320,392 km (0.112 R)
• M69: 38,880,935 km (0.054 R)
• M70: 40,081,159 km (0.076 R)
• M71: 40,223,127 km (0.118 R)
• M72: 40,436,454 km (0.077 R)
• M73: 41,724,193 km (0.082 R)
• M74: 43,462,221 km (0.043 R)
• M75: 43,608,079 km (0.072 R)
• M76: 44,046,699 km (0.112 R)
• M77: 45,519,490 km (0.119 R)
• M78: 45,741,793 km (0.113 R)
• M79: 46,560,093 km (0.093 R)
• M80: 47,608,475 km (0.101 R)
• M81: 48,513,243 km (0.108 R)
• M82: 50,033,905 km (0.078 R)
• M83: 50,263,239 km (0.097 R)
• M84: 51,415,741 km (0.09 R)
• M85: 51,570,126 km (0.056 R)

Kuiper Belt

Range: 30.3 - 52.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 14,275 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit