🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.63 AU - 0.99 AU

Year: 276 Days

Day: 34.2 Hours

Environment

Temp: 143 °C

Axial Tilt: 0.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 26,956,535 km

• M1: 106,364 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.77 AU - 1.27 AU

Year: 390 Days

Day: 41.3 Hours

Environment

Temp: 25 °C

Axial Tilt: 14.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.25 AU - 4.65 AU

Year: 2973 Days

Day: 27.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.5

Radius: 11.8

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.15 AU - 5.71 AU

Year: 4792 Days

Day: 9.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,956,535 km

• M1: 146,756 km (0.104 R)
• M2: 657,034 km (0.098 R)
• M3: 1,058,555 km (0.107 R)
• M4: 1,482,814 km (0.076 R)
• M5: 2,384,141 km (0.107 R)
• M6: 3,538,289 km (0.115 R)
• M7: 4,138,176 km (0.071 R)
• M8: 4,582,931 km (0.067 R)
• M9: 5,459,275 km (0.037 R)
• M10: 7,174,714 km (0.078 R)
• M11: 9,185,758 km (0.064 R)
• M12: 10,922,889 km (0.092 R)
• M13: 14,132,361 km (0.029 R)
• M14: 15,200,789 km (0.103 R)
• M15: 15,698,950 km (0.12 R)
• M16: 18,856,363 km (0.117 R)
• M17: 19,821,718 km (0.093 R)
• M18: 22,272,729 km (0.063 R)
• M19: 24,238,894 km (0.066 R)
• M20: 24,766,975 km (0.103 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 11,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit