🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.6 AU - 0.88 AU

Year: 223 Days

Day: 34.4 Hours

Environment

Temp: 149 °C

Axial Tilt: 2.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.91 AU - 1.25 AU

Year: 393 Days

Day: 42.2 Hours

Environment

Temp: 160 °C

Axial Tilt: 15.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.83 AU - 1.37 AU

Year: 404 Days

Day: 45.6 Hours

Environment

Temp: 86 °C

Axial Tilt: 145.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.99 AU - 1.43 AU

Year: 466 Days

Day: 13.4 Hours

Environment

Temp: 20 °C

Axial Tilt: 17.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 3.97 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.6

Radius: 12.3

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.15 AU - 8.29 AU

Year: 6094 Days

Day: 10.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 10,074,072 km

• M1: 153,039 km (0.1 R)
• M2: 655,837 km (0.064 R)
• M3: 5,395,546 km (0.119 R)
• M4: 6,461,581 km (0.104 R)
• M5: 8,291,612 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.7

Radius: 8.2

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.43 AU - 9.29 AU

Year: 7709 Days

Day: 7.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 10,074,072 km

• M1: 107,710 km (0.084 R)
• M2: 598,990 km (0.049 R)
• M3: 1,124,078 km (0.072 R)
• M4: 1,620,444 km (0.054 R)
• M5: 3,449,577 km (0.077 R)
• M6: 3,716,460 km (0.07 R)
• M7: 6,623,446 km (0.119 R)
• M8: 8,020,091 km (0.107 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: 357 - 15,847 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit