🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.53 AU - 0.55 AU

Year: 141 Days

Day: 21.3 Hours

Environment

Temp: 195 °C

Axial Tilt: 4.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 63,087,926 km

• M1: 266,135 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.71 AU - 0.95 AU

Year: 270 Days

Day: 28.9 Hours

Environment

Temp: 175 °C

Axial Tilt: 5.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.69 AU - 1.83 AU

Year: 832 Days

Day: 32.2 Hours

Environment

Temp: -47 °C

Axial Tilt: 47.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.45 AU - 2.97 AU

Year: 1590 Days

Day: 40.4 Hours

Environment

Temp: -77 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.12 AU - 4.6 AU

Year: 3245 Days

Day: 17.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 63,087,926 km

• M1: 125,812 km (0.091 R)
• M2: 274,362 km (0.114 R)

Asteroid Belt

Center: 9.25 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 14.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.8

Radius: 7.1

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 11.03 AU - 17.25 AU

Year: 18953 Days

Day: 15.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,087,926 km

• M1: 88,263 km (0.092 R)
• M2: 371,302 km (0.1 R)
• M3: 723,156 km (0.074 R)
• M4: 1,037,611 km (0.092 R)
• M5: 1,328,279 km (0.114 R)
• M6: 1,738,776 km (0.089 R)
• M7: 2,114,267 km (0.091 R)
• M8: 3,202,442 km (0.105 R)
• M9: 3,854,240 km (0.062 R)
• M10: 6,797,578 km (0.108 R)
• M11: 7,099,167 km (0.094 R)
• M12: 7,963,244 km (0.117 R)
• M13: 8,997,714 km (0.12 R)
• M14: 11,390,831 km (0.077 R)
• M15: 11,755,401 km (0.075 R)
• M16: 14,886,035 km (0.106 R)
• M17: 15,991,713 km (0.11 R)
• M18: 16,448,884 km (0.101 R)
• M19: 16,914,882 km (0.098 R)
• M20: 17,873,056 km (0.099 R)
• M21: 18,365,532 km (0.092 R)
• M22: 18,867,134 km (0.06 R)
• M23: 24,697,112 km (0.026 R)
• M24: 25,513,917 km (0.087 R)
• M25: 32,102,805 km (0.114 R)
• M26: 35,850,831 km (0.063 R)
• M27: 41,573,697 km (0.036 R)
• M28: 41,860,476 km (0.061 R)
• M29: 46,014,959 km (0.11 R)
• M30: 48,034,081 km (0.115 R)
• M31: 50,599,236 km (0.1 R)
• M32: 56,526,004 km (0.083 R)

Kuiper Belt

Range: 30.8 - 57.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 17,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit