🌌 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: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.55 AU - 0.61 AU

Year: 155 Days

Day: 43.9 Hours

Environment

Temp: 227 °C

Axial Tilt: 20 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 15,862,904 km

• M1: 321,486 km (0.068 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.49 AU - 0.75 AU

Year: 171 Days

Day: 35.1 Hours

Environment

Temp: 246 °C

Axial Tilt: 39.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.74 AU - 0.9 AU

Year: 260 Days

Day: 14.6 Hours

Environment

Temp: 122 °C

Axial Tilt: 34 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 15,862,904 km

• M1: 21,542 km (0.073 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.67 AU - 3.17 AU

Year: 1746 Days

Day: 33.4 Hours

Environment

Temp: -98 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.09 AU - 5.17 AU

Year: 3485 Days

Day: 25.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.8

Radius: 10.4

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.1 AU - 8.48 AU

Year: 6190 Days

Day: 14.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 15,862,904 km

• M1: 129,701 km (0.104 R)
• M2: 972,386 km (0.107 R)
• M3: 1,525,150 km (0.075 R)
• M4: 2,060,860 km (0.032 R)
• M5: 3,477,103 km (0.06 R)
• M6: 3,860,971 km (0.064 R)
• M7: 5,977,482 km (0.065 R)
• M8: 6,453,353 km (0.071 R)
• M9: 8,646,607 km (0.063 R)
• M10: 11,258,437 km (0.097 R)
• M11: 13,747,147 km (0.079 R)
• M12: 15,628,041 km (0.107 R)

Kuiper Belt

Range: 31.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 17,417 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit