🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.8 AU - 0.92 AU

Year: 287 Days

Day: 20.9 Hours

Environment

Temp: 116 °C

Axial Tilt: 13.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.73 AU - 1.11 AU

Year: 318 Days

Day: 18.1 Hours

Environment

Temp: 94 °C

Axial Tilt: 70.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.34 AU - 1.5 AU

Year: 609 Days

Day: 44 Hours

Environment

Temp: 3 °C

Axial Tilt: 15 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.38 AU - 2.1 AU

Year: 826 Days

Day: 28 Hours

Environment

Temp: -53 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.4 AU - 2.1 AU

Year: 833 Days

Day: 21.2 Hours

Environment

Temp: -40 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.2

Radius: 8.8

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.3 AU - 8.2 AU

Year: 7026 Days

Day: 11.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,218,279 km

• M1: 249,978 km (0.1 R)
• M2: 633,397 km (0.06 R)
• M3: 947,254 km (0.096 R)
• M4: 1,918,443 km (0.081 R)
• M5: 2,685,132 km (0.07 R)
• M6: 3,057,032 km (0.068 R)
• M7: 3,463,041 km (0.12 R)
• M8: 5,981,072 km (0.079 R)
• M9: 7,507,270 km (0.084 R)
• M10: 15,733,806 km (0.119 R)
• M11: 16,433,326 km (0.119 R)

Kuiper Belt

Range: 30.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 12,783 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit