🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.96 AU - 1.52 AU

Year: 488 Days

Day: 37.2 Hours

Environment

Temp: 21 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.06 AU - 1.74 AU

Year: 585 Days

Day: 27.8 Hours

Environment

Temp: -3 °C

Axial Tilt: 26 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 40,499,675 km

• M1: 49,517 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.06 AU - 5.12 AU

Year: 4055 Days

Day: 32.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 47.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.5

Radius: 14.2

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.37 AU - 8.59 AU

Year: 6512 Days

Day: 12.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,499,675 km

• M1: 176,525 km (0.092 R)
• M2: 727,046 km (0.064 R)
• M3: 1,560,755 km (0.056 R)
• M4: 2,235,740 km (0.072 R)
• M5: 2,737,940 km (0.031 R)
• M6: 4,257,107 km (0.091 R)
• M7: 5,096,949 km (0.089 R)
• M8: 5,556,963 km (0.041 R)
• M9: 6,922,043 km (0.084 R)
• M10: 8,125,708 km (0.07 R)
• M11: 11,301,521 km (0.118 R)
• M12: 13,538,607 km (0.097 R)
• M13: 14,007,447 km (0.084 R)
• M14: 14,669,717 km (0.091 R)
• M15: 16,917,126 km (0.117 R)
• M16: 17,530,327 km (0.086 R)
• M17: 18,585,441 km (0.112 R)
• M18: 19,607,943 km (0.094 R)
• M19: 21,290,021 km (0.077 R)
• M20: 21,844,879 km (0.086 R)
• M21: 22,736,333 km (0.08 R)
• M22: 24,419,309 km (0.083 R)
• M23: 26,637,995 km (0.089 R)
• M24: 28,221,489 km (0.092 R)
• M25: 30,064,834 km (0.116 R)
• M26: 34,097,693 km (0.062 R)
• M27: 36,187,426 km (0.088 R)
• M28: 39,539,615 km (0.106 R)

Kuiper Belt

Range: 31.1 - 46.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 17,853 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit