🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.65 AU - 0.67 AU

Year: 346 Days

Day: 16.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,547,183 km

• M1: 49,816 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.63 AU - 0.71 AU

Year: 354 Days

Day: 27.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.5

Radius: 10.6

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.73 AU - 1.11 AU

Year: 570 Days

Day: 14.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,547,183 km

• M1: 131,796 km (0.095 R)
• M2: 501,153 km (0.059 R)
• M3: 841,638 km (0.071 R)
• M4: 1,237,174 km (0.088 R)
• M5: 1,814,323 km (0.094 R)
• M6: 2,302,910 km (0.117 R)
• M7: 2,992,406 km (0.089 R)
• M8: 3,469,025 km (0.082 R)
• M9: 4,375,887 km (0.114 R)
• M10: 5,192,692 km (0.096 R)
• M11: 5,700,876 km (0.086 R)
• M12: 6,796,381 km (0.096 R)

Asteroid Belt

Center: 5.25 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.7

Radius: 7.8

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 9 AU - 10.16 AU

Year: 19145 Days

Day: 22.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,547,183 km

• M1: 126,859 km (0.052 R)
• M2: 1,197,980 km (0.091 R)
• M3: 2,264,762 km (0.077 R)
• M4: 3,109,242 km (0.075 R)
• M5: 3,762,686 km (0.05 R)
• M6: 5,121,932 km (0.068 R)
• M7: 7,044,713 km (0.089 R)
• M8: 12,807,373 km (0.067 R)
• M9: 19,933,467 km (0.1 R)
• M10: 30,428,356 km (0.112 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 16,927 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit