🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.52 AU - 0.8 AU

Year: 205 Days

Day: 32.9 Hours

Environment

Temp: 115 °C

Axial Tilt: 19.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.31 AU - 1.49 AU

Year: 634 Days

Day: 12.5 Hours

Environment

Temp: -45 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.7 AU - 1.86 AU

Year: 909 Days

Day: 22 Hours

Environment

Temp: -68 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.24 AU - 2.32 AU

Year: 1318 Days

Day: 33.1 Hours

Environment

Temp: -97 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 15.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371

Radius: 5.1

Gravity: 14.26 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 15.24 AU - 16.72 AU

Year: 24459 Days

Day: 15.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,927,999 km

• M1: 64,477 km (0.116 R)
• M2: 580,889 km (0.071 R)
• M3: 1,080,246 km (0.114 R)
• M4: 1,266,346 km (0.073 R)
• M5: 1,919,939 km (0.117 R)
• M6: 3,233,857 km (0.028 R)
• M7: 3,830,453 km (0.077 R)
• M8: 6,100,003 km (0.04 R)
• M9: 7,051,445 km (0.079 R)
• M10: 8,298,942 km (0.091 R)
• M11: 8,815,653 km (0.042 R)
• M12: 9,912,953 km (0.1 R)
• M13: 11,160,151 km (0.102 R)
• M14: 12,844,772 km (0.106 R)
• M15: 13,118,088 km (0.112 R)
• M16: 13,818,505 km (0.102 R)
• M17: 16,069,354 km (0.1 R)
• M18: 21,281,643 km (0.069 R)
• M19: 29,839,988 km (0.102 R)
• M20: 30,682,673 km (0.091 R)
• M21: 35,002,461 km (0.115 R)
• M22: 48,520,424 km (0.056 R)
• M23: 50,189,338 km (0.07 R)
• M24: 51,723,763 km (0.108 R)
• M25: 53,641,159 km (0.028 R)
• M26: 57,063,809 km (0.106 R)
• M27: 58,734,817 km (0.026 R)
• M28: 64,539,813 km (0.085 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 11,980 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit