🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.54 AU - 0.82 AU

Year: 200 Days

Day: 41.5 Hours

Environment

Temp: 133 °C

Axial Tilt: 32.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,322,495 km

• M1: 42,935 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.9 AU - 1.18 AU

Year: 378 Days

Day: 15.7 Hours

Environment

Temp: 34 °C

Axial Tilt: 31.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.47 AU - 2.13 AU

Year: 861 Days

Day: 21.5 Hours

Environment

Temp: -52 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.39 AU - 2.25 AU

Year: 875 Days

Day: 40.6 Hours

Environment

Temp: -55 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 12.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.5

Radius: 8

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 10.37 AU - 14.83 AU

Year: 15942 Days

Day: 6.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,322,495 km

• M1: 99,483 km (0.081 R)
• M2: 366,365 km (0.083 R)
• M3: 847,771 km (0.11 R)
• M4: 1,098,946 km (0.095 R)
• M5: 1,932,206 km (0.077 R)
• M6: 2,658,205 km (0.108 R)
• M7: 4,704,404 km (0.107 R)
• M8: 6,868,487 km (0.119 R)
• M9: 7,217,798 km (0.106 R)
• M10: 8,435,674 km (0.049 R)
• M11: 8,990,234 km (0.11 R)
• M12: 10,115,958 km (0.041 R)
• M13: 12,579,984 km (0.073 R)
• M14: 13,438,078 km (0.102 R)
• M15: 16,400,415 km (0.064 R)
• M16: 16,867,609 km (0.077 R)
• M17: 21,388,008 km (0.109 R)
• M18: 26,762,311 km (0.088 R)
• M19: 28,512,606 km (0.051 R)
• M20: 37,741,897 km (0.088 R)
• M21: 40,643,348 km (0.11 R)
• M22: 41,786,724 km (0.037 R)
• M23: 46,730,336 km (0.049 R)
• M24: 47,669,212 km (0.116 R)
• M25: 62,920,416 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 67.2

Radius: 7.5

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 14.11 AU - 16.23 AU

Year: 21061 Days

Day: 20.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,322,495 km

• M1: 96,191 km (0.089 R)
• M2: 337,792 km (0.081 R)
• M3: 619,634 km (0.088 R)
• M4: 1,529,788 km (0.119 R)
• M5: 2,019,122 km (0.105 R)
• M6: 4,649,203 km (0.093 R)
• M7: 11,994,907 km (0.096 R)
• M8: 15,316,428 km (0.083 R)
• M9: 18,023,551 km (0.07 R)

Kuiper Belt

Range: 30.8 - 49.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 16,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit