🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.64 AU - 0.68 AU

Year: 201 Days

Day: 20.8 Hours

Environment

Temp: 156 °C

Axial Tilt: 22 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.63 AU - 0.71 AU

Year: 206 Days

Day: 18.5 Hours

Environment

Temp: 104 °C

Axial Tilt: 142.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.97 AU - 1.27 AU

Year: 444 Days

Day: 45 Hours

Environment

Temp: 8 °C

Axial Tilt: 28.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.69 AU - 2.89 AU

Year: 1746 Days

Day: 43.4 Hours

Environment

Temp: -104 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.4

Radius: 9

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.66 AU - 6.32 AU

Year: 4820 Days

Day: 10.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,671,526 km

• M1: 112,647 km (0.057 R)
• M2: 495,917 km (0.085 R)
• M3: 905,815 km (0.055 R)
• M4: 1,225,655 km (0.053 R)
• M5: 1,898,995 km (0.089 R)
• M6: 2,450,114 km (0.082 R)
• M7: 3,472,915 km (0.031 R)
• M8: 4,473,126 km (0.053 R)
• M9: 5,081,391 km (0.117 R)
• M10: 5,595,110 km (0.104 R)
• M11: 7,310,698 km (0.059 R)
• M12: 7,965,787 km (0.085 R)
• M13: 8,541,141 km (0.09 R)
• M14: 11,744,779 km (0.061 R)
• M15: 12,745,739 km (0.09 R)
• M16: 19,085,996 km (0.101 R)
• M17: 19,837,575 km (0.103 R)
• M18: 20,396,473 km (0.098 R)
• M19: 20,894,035 km (0.038 R)
• M20: 22,435,492 km (0.091 R)
• M21: 25,497,162 km (0.105 R)
• M22: 31,294,379 km (0.028 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 12,640 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit