🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.62 AU - 0.64 AU

Year: 177 Days

Day: 40.2 Hours

Environment

Temp: 159 °C

Axial Tilt: 36.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.15 AU - 1.79 AU

Year: 629 Days

Day: 13.9 Hours

Environment

Temp: 7 °C

Axial Tilt: 24.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.37 AU - 3.07 AU

Year: 1584 Days

Day: 46.1 Hours

Environment

Temp: -91 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.3 AU - 3.36 AU

Year: 1681 Days

Day: 37.3 Hours

Environment

Temp: -94 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.48 AU - 3.76 AU

Year: 2432 Days

Day: 12.7 Hours

Environment

Temp: -100 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,647,834 km

• M1: 1,206,956 km (0.088 R)

Asteroid Belt

Center: 7.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 12.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.8

Radius: 10.3

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 12 AU - 12.3 AU

Year: 14954 Days

Day: 14.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,647,834 km

• M1: 128,056 km (0.091 R)
• M2: 508,782 km (0.106 R)
• M3: 1,056,311 km (0.081 R)
• M4: 1,418,786 km (0.098 R)
• M5: 1,806,544 km (0.114 R)
• M6: 2,369,032 km (0.036 R)
• M7: 3,417,563 km (0.045 R)
• M8: 5,042,645 km (0.1 R)
• M9: 5,440,127 km (0.074 R)
• M10: 7,911,932 km (0.092 R)
• M11: 11,990,419 km (0.058 R)
• M12: 14,447,564 km (0.112 R)
• M13: 16,086,109 km (0.052 R)
• M14: 16,481,197 km (0.089 R)
• M15: 16,815,399 km (0.083 R)
• M16: 19,135,812 km (0.115 R)
• M17: 19,803,916 km (0.113 R)
• M18: 21,186,948 km (0.089 R)
• M19: 22,063,143 km (0.04 R)
• M20: 24,836,986 km (0.074 R)
• M21: 27,180,138 km (0.062 R)
• M22: 30,461,717 km (0.103 R)
• M23: 34,540,652 km (0.091 R)
• M24: 36,089,439 km (0.074 R)

Kuiper Belt

Range: 31.1 - 56.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 19,671 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit