🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.5 AU - 0.68 AU

Year: 195 Days

Day: 26.2 Hours

Environment

Temp: 10 °C

Axial Tilt: 38.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.5 AU - 2.16 AU

Year: 1066 Days

Day: 40.2 Hours

Environment

Temp: -105 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.28 AU - 2.34 AU

Year: 1511 Days

Day: 39.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,949,221 km

• M1: 699,071 km (0.065 R)
• M2: 734,825 km (0.111 R)

Asteroid Belt

Center: 3.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.2

Radius: 11.6

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.8 AU - 6.2 AU

Year: 5552 Days

Day: 13.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,949,221 km

• M1: 144,212 km (0.115 R)
• M2: 508,633 km (0.096 R)
• M3: 881,879 km (0.101 R)
• M4: 2,047,546 km (0.086 R)
• M5: 2,469,113 km (0.118 R)
• M6: 3,614,584 km (0.088 R)
• M7: 4,572,908 km (0.075 R)
• M8: 5,192,392 km (0.112 R)
• M9: 5,955,491 km (0.112 R)
• M10: 8,026,674 km (0.093 R)
• M11: 9,325,333 km (0.067 R)
• M12: 9,982,816 km (0.081 R)
• M13: 11,762,282 km (0.09 R)
• M14: 12,826,671 km (0.067 R)
• M15: 13,536,663 km (0.069 R)
• M16: 14,979,983 km (0.075 R)
• M17: 18,678,641 km (0.08 R)
• M18: 22,073,764 km (0.119 R)
• M19: 25,226,988 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249

Radius: 8.1

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 9.25 AU - 9.29 AU

Year: 12149 Days

Day: 8.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,949,221 km

• M1: 139,575 km (0.076 R)
• M2: 1,587,533 km (0.088 R)
• M3: 2,266,258 km (0.089 R)
• M4: 4,985,947 km (0.087 R)
• M5: 10,428,468 km (0.041 R)
• M6: 11,889,889 km (0.094 R)
• M7: 13,829,575 km (0.109 R)
• M8: 15,337,970 km (0.101 R)
• M9: 16,424,500 km (0.084 R)
• M10: 16,753,615 km (0.088 R)
• M11: 20,215,759 km (0.088 R)
• M12: 20,899,720 km (0.109 R)
• M13: 28,421,351 km (0.095 R)
• M14: 32,677,560 km (0.067 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 13,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit