🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.48 AU - 0.78 AU

Year: 184 Days

Day: 43.7 Hours

Environment

Temp: 157 °C

Axial Tilt: 42.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.87 AU - 1.13 AU

Year: 367 Days

Day: 16.7 Hours

Environment

Temp: 35 °C

Axial Tilt: 22 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.3

Radius: 14.3

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.6 AU - 6.2 AU

Year: 5261 Days

Day: 6.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,216,039 km

• M1: 177,872 km (0.065 R)
• M2: 698,472 km (0.109 R)
• M3: 1,199,775 km (0.116 R)
• M4: 1,850,825 km (0.039 R)
• M5: 2,433,060 km (0.104 R)
• M6: 2,881,704 km (0.091 R)
• M7: 3,494,157 km (0.054 R)
• M8: 5,011,080 km (0.034 R)
• M9: 5,808,437 km (0.084 R)
• M10: 6,827,048 km (0.107 R)
• M11: 8,840,337 km (0.12 R)
• M12: 10,509,849 km (0.072 R)
• M13: 13,727,998 km (0.099 R)
• M14: 20,981,999 km (0.071 R)
• M15: 22,501,764 km (0.083 R)
• M16: 25,420,717 km (0.04 R)
• M17: 32,000,331 km (0.116 R)
• M18: 35,048,388 km (0.093 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.9

Radius: 3.8

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 14.85 AU - 16.13 AU

Year: 22379 Days

Day: 22 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,216,039 km

• M1: 47,722 km (0.068 R)
• M2: 809,624 km (0.114 R)
• M3: 1,330,673 km (0.107 R)
• M4: 2,949,172 km (0.026 R)
• M5: 3,688,336 km (0.1 R)
• M6: 5,715,087 km (0.086 R)
• M7: 6,563,906 km (0.066 R)
• M8: 8,050,909 km (0.079 R)
• M9: 8,764,042 km (0.114 R)
• M10: 8,937,874 km (0.098 R)
• M11: 13,424,614 km (0.109 R)
• M12: 13,713,786 km (0.096 R)
• M13: 20,632,688 km (0.113 R)
• M14: 27,289,344 km (0.115 R)
• M15: 32,892,682 km (0.104 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 18,730 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit