🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.51 AU - 0.65 AU

Year: 160 Days

Day: 47.3 Hours

Environment

Temp: 223 °C

Axial Tilt: 17.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.92 AU - 1.12 AU

Year: 373 Days

Day: 21.4 Hours

Environment

Temp: 44 °C

Axial Tilt: 48.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.32 AU - 2.34 AU

Year: 1286 Days

Day: 43.4 Hours

Environment

Temp: -74 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 24,929,232 km

• M1: 1,165,966 km (0.113 R)
• M2: 1,954,347 km (0.069 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.53 AU - 3.09 AU

Year: 1704 Days

Day: 39.9 Hours

Environment

Temp: -100 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 24,929,232 km

• M1: 168,597 km (0.03 R)
• M2: 1,161,478 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.7

Radius: 10.7

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6 AU - 6.46 AU

Year: 5624 Days

Day: 9.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,929,232 km

• M1: 194,028 km (0.083 R)
• M2: 1,289,982 km (0.116 R)
• M3: 1,996,533 km (0.095 R)
• M4: 4,996,120 km (0.103 R)
• M5: 6,602,801 km (0.115 R)
• M6: 7,005,818 km (0.116 R)
• M7: 7,524,324 km (0.115 R)
• M8: 10,510,447 km (0.039 R)
• M9: 10,847,042 km (0.072 R)
• M10: 12,036,495 km (0.069 R)
• M11: 15,685,786 km (0.062 R)
• M12: 17,030,970 km (0.029 R)
• M13: 20,992,471 km (0.079 R)
• M14: 21,594,752 km (0.075 R)
• M15: 22,139,737 km (0.096 R)

Kuiper Belt

Range: 30.3 - 51.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 12,836 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit