🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.64 AU - 0.8 AU

Year: 227 Days

Day: 40.4 Hours

Environment

Temp: 181 °C

Axial Tilt: 17.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.96 AU - 1.48 AU

Year: 500 Days

Day: 43.8 Hours

Environment

Temp: -8 °C

Axial Tilt: 38 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.46 AU - 2.76 AU

Year: 1564 Days

Day: 21.3 Hours

Environment

Temp: -91 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.7 AU - 2.82 AU

Year: 1700 Days

Day: 19.8 Hours

Environment

Temp: -99 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.39 AU - 4.91 AU

Year: 3135 Days

Day: 42.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,652,352 km

• M1: 541,544 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.7

Radius: 10.5

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 10.32 AU - 11.9 AU

Year: 13733 Days

Day: 12.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,652,352 km

• M1: 133,292 km (0.062 R)
• M2: 475,572 km (0.111 R)
• M3: 981,063 km (0.032 R)
• M4: 1,521,859 km (0.048 R)
• M5: 2,146,430 km (0.105 R)
• M6: 2,847,895 km (0.116 R)
• M7: 3,494,008 km (0.109 R)
• M8: 4,764,692 km (0.048 R)
• M9: 5,607,227 km (0.064 R)
• M10: 6,894,816 km (0.077 R)
• M11: 9,743,010 km (0.086 R)
• M12: 10,301,309 km (0.081 R)
• M13: 11,762,581 km (0.06 R)
• M14: 12,870,503 km (0.089 R)
• M15: 15,293,241 km (0.104 R)
• M16: 17,116,540 km (0.119 R)
• M17: 19,395,364 km (0.116 R)
• M18: 21,106,315 km (0.109 R)
• M19: 22,041,451 km (0.106 R)
• M20: 22,915,551 km (0.081 R)
• M21: 23,361,054 km (0.05 R)
• M22: 24,919,565 km (0.08 R)
• M23: 29,903,717 km (0.119 R)
• M24: 35,159,688 km (0.1 R)
• M25: 35,514,684 km (0.092 R)
• M26: 35,991,752 km (0.094 R)
• M27: 41,525,676 km (0.1 R)
• M28: 43,534,776 km (0.057 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 10,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit