🌌 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: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.56 AU - 0.74 AU

Year: 338 Days

Day: 18.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.2

Radius: 13.9

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.97 AU - 1.61 AU

Year: 946 Days

Day: 12.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 5,915,709 km

• M1: 172,935 km (0.062 R)
• M2: 1,038,359 km (0.032 R)
• M3: 2,368,284 km (0.025 R)
• M4: 3,451,821 km (0.051 R)
• M5: 4,150,294 km (0.072 R)
• M6: 4,892,449 km (0.078 R)
• M7: 5,330,471 km (0.081 R)
• M8: 6,383,640 km (0.036 R)
• M9: 6,991,456 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.3

Radius: 11.3

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.25 AU - 1.97 AU

Year: 1319 Days

Day: 13 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 5,915,709 km

• M1: 140,921 km (0.119 R)
• M2: 588,069 km (0.072 R)
• M3: 1,032,674 km (0.073 R)
• M4: 1,581,399 km (0.111 R)
• M5: 2,282,864 km (0.11 R)
• M6: 2,685,880 km (0.046 R)
• M7: 3,703,894 km (0.102 R)
• M8: 4,357,337 km (0.057 R)
• M9: 5,339,148 km (0.118 R)
• M10: 5,757,573 km (0.096 R)
• M11: 6,660,396 km (0.072 R)
• M12: 7,848,802 km (0.09 R)
• M13: 8,686,251 km (0.096 R)
• M14: 9,080,591 km (0.083 R)
• M15: 10,003,759 km (0.06 R)
• M16: 12,913,587 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.4

Radius: 13.8

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.48 AU - 2.46 AU

Year: 1785 Days

Day: 7.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 5,915,709 km

• M1: 173,833 km (0.104 R)
• M2: 637,885 km (0.098 R)
• M3: 1,106,575 km (0.03 R)
• M4: 1,670,410 km (0.084 R)
• M5: 2,099,905 km (0.108 R)
• M6: 2,604,649 km (0.045 R)
• M7: 3,350,394 km (0.11 R)
• M8: 3,993,366 km (0.037 R)
• M9: 4,866,868 km (0.032 R)
• M10: 5,544,845 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 16,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit