🌌 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: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.51 AU - 0.55 AU

Year: 135 Days

Day: 32.1 Hours

Environment

Temp: 258 °C

Axial Tilt: 19.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.86 AU - 1.26 AU

Year: 382 Days

Day: 21.6 Hours

Environment

Temp: 155 °C

Axial Tilt: 42 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.93 AU - 1.39 AU

Year: 437 Days

Day: 47.2 Hours

Environment

Temp: 27 °C

Axial Tilt: 18.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.24 AU - 4.66 AU

Year: 2746 Days

Day: 27.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.94 AU - 4.36 AU

Year: 2958 Days

Day: 20.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.1

Radius: 14.2

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.63 AU - 8.39 AU

Year: 7931 Days

Day: 15 Hours

Environment

Temp: -161 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,572,552 km

• M1: 176,525 km (0.105 R)
• M2: 876,793 km (0.12 R)
• M3: 1,809,536 km (0.089 R)
• M4: 2,267,305 km (0.117 R)
• M5: 2,898,010 km (0.095 R)
• M6: 4,259,949 km (0.105 R)
• M7: 6,847,693 km (0.089 R)
• M8: 10,309,238 km (0.098 R)
• M9: 10,975,697 km (0.098 R)
• M10: 15,294,438 km (0.12 R)
• M11: 16,848,311 km (0.115 R)
• M12: 18,334,715 km (0.1 R)

Kuiper Belt

Range: 31.4 - 53.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 17,734 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit