🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.68 AU - 1.1 AU

Year: 295 Days

Day: 28.1 Hours

Environment

Temp: 128 °C

Axial Tilt: 42.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.87 AU - 1.11 AU

Year: 346 Days

Day: 38.3 Hours

Environment

Temp: 107 °C

Axial Tilt: 16.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,635,915 km

• M1: 108,458 km (0.067 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.91 AU - 2.85 AU

Year: 1290 Days

Day: 40.4 Hours

Environment

Temp: -78 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.43 AU - 5.07 AU

Year: 3079 Days

Day: 17.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,635,915 km

• M1: 585,376 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360.4

Radius: 4.8

Gravity: 15.64 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 10.79 AU - 16.01 AU

Year: 17240 Days

Day: 20.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,635,915 km

• M1: 59,690 km (0.056 R)
• M2: 222,153 km (0.11 R)
• M3: 383,868 km (0.088 R)
• M4: 828,024 km (0.114 R)
• M5: 1,253,780 km (0.113 R)
• M6: 2,093,473 km (0.108 R)
• M7: 2,525,212 km (0.107 R)
• M8: 2,874,822 km (0.093 R)
• M9: 3,946,392 km (0.094 R)
• M10: 4,478,362 km (0.044 R)
• M11: 5,191,944 km (0.074 R)
• M12: 5,540,058 km (0.11 R)
• M13: 6,322,006 km (0.075 R)
• M14: 6,518,428 km (0.108 R)
• M15: 9,767,544 km (0.114 R)
• M16: 11,186,181 km (0.091 R)
• M17: 12,064,171 km (0.059 R)
• M18: 15,820,723 km (0.099 R)
• M19: 16,775,008 km (0.12 R)
• M20: 17,076,148 km (0.047 R)
• M21: 18,797,421 km (0.115 R)
• M22: 19,950,970 km (0.064 R)
• M23: 21,063,829 km (0.102 R)
• M24: 22,307,735 km (0.073 R)
• M25: 22,489,347 km (0.077 R)
• M26: 23,693,909 km (0.115 R)
• M27: 24,073,140 km (0.044 R)
• M28: 24,360,218 km (0.087 R)
• M29: 25,531,121 km (0.111 R)
• M30: 37,036,693 km (0.116 R)
• M31: 38,975,631 km (0.062 R)
• M32: 39,503,861 km (0.116 R)
• M33: 43,903,235 km (0.042 R)
• M34: 44,618,762 km (0.11 R)
• M35: 48,313,829 km (0.111 R)
• M36: 53,172,319 km (0.058 R)

Kuiper Belt

Range: 31.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 13,662 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit