🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.55 AU - 0.59 AU

Year: 160 Days

Day: 20.3 Hours

Environment

Temp: 173 °C

Axial Tilt: 36.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.75 AU - 0.91 AU

Year: 280 Days

Day: 37.4 Hours

Environment

Temp: 74 °C

Axial Tilt: 26.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.89 AU - 1.05 AU

Year: 354 Days

Day: 41.2 Hours

Environment

Temp: 18 °C

Axial Tilt: 23.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 44,425,680 km

• M1: 57,446 km (0.088 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.2 AU - 1.58 AU

Year: 608 Days

Day: 38.9 Hours

Environment

Temp: -35 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 11.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.1

Radius: 13.7

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 11.41 AU - 12.33 AU

Year: 15166 Days

Day: 12.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,425,680 km

• M1: 174,132 km (0.045 R)
• M2: 604,076 km (0.098 R)
• M3: 1,775,278 km (0.082 R)
• M4: 2,235,142 km (0.1 R)
• M5: 2,939,449 km (0.054 R)
• M6: 4,017,900 km (0.062 R)
• M7: 6,758,981 km (0.091 R)
• M8: 8,194,822 km (0.048 R)
• M9: 8,849,911 km (0.042 R)
• M10: 9,539,557 km (0.067 R)
• M11: 16,965,446 km (0.068 R)
• M12: 22,490,843 km (0.087 R)
• M13: 24,304,568 km (0.094 R)
• M14: 30,226,399 km (0.045 R)
• M15: 32,217,846 km (0.105 R)
• M16: 34,072,561 km (0.108 R)
• M17: 37,163,253 km (0.101 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 13,307 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit