🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.46 AU - 0.6 AU

Year: 146 Days

Day: 12.4 Hours

Environment

Temp: 215 °C

Axial Tilt: 44.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.51 AU - 0.69 AU

Year: 176 Days

Day: 31.5 Hours

Environment

Temp: 124 °C

Axial Tilt: 160 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.76 AU - 0.8 AU

Year: 261 Days

Day: 33.3 Hours

Environment

Temp: 121 °C

Axial Tilt: 29.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.26 AU - 1.3 AU

Year: 548 Days

Day: 20.9 Hours

Environment

Temp: -41 °C

Axial Tilt: 82.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,948,055 km

• M1: 433,834 km (0.086 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.32 AU - 1.52 AU

Year: 641 Days

Day: 28.3 Hours

Environment

Temp: -44 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.5

Radius: 12.4

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.84 AU - 5.52 AU

Year: 4465 Days

Day: 14.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,948,055 km

• M1: 154,235 km (0.064 R)
• M2: 558,000 km (0.065 R)
• M3: 983,756 km (0.093 R)
• M4: 1,601,296 km (0.066 R)
• M5: 2,390,275 km (0.104 R)
• M6: 2,883,050 km (0.103 R)
• M7: 3,771,512 km (0.033 R)
• M8: 4,759,456 km (0.114 R)
• M9: 5,328,078 km (0.084 R)
• M10: 5,826,687 km (0.054 R)
• M11: 7,377,419 km (0.054 R)
• M12: 8,033,705 km (0.114 R)
• M13: 8,879,980 km (0.062 R)
• M14: 9,866,129 km (0.103 R)
• M15: 10,322,552 km (0.066 R)
• M16: 12,386,554 km (0.111 R)
• M17: 13,770,035 km (0.1 R)
• M18: 16,842,327 km (0.108 R)
• M19: 17,315,804 km (0.104 R)
• M20: 18,165,669 km (0.06 R)
• M21: 20,950,284 km (0.094 R)
• M22: 22,125,824 km (0.092 R)
• M23: 22,909,568 km (0.099 R)
• M24: 26,948,112 km (0.11 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: 217 - 18,163 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit