🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.64 AU - 0.64 AU

Year: 153 Days

Day: 34.5 Hours

Environment

Temp: 305 °C

Axial Tilt: 12.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.52 AU - 0.76 AU

Year: 153 Days

Day: 19.4 Hours

Environment

Temp: 304 °C

Axial Tilt: 18.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.7 AU - 1.88 AU

Year: 714 Days

Day: 46.9 Hours

Environment

Temp: 79 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 5,386,516 km

• M1: 278,402 km (0.119 R)
• M2: 316,399 km (0.065 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.46 AU - 2.12 AU

Year: 714 Days

Day: 39.7 Hours

Environment

Temp: 119 °C

Axial Tilt: 11 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 5,386,516 km

• M1: 436,377 km (0.12 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.93 AU - 1.99 AU

Year: 818 Days

Day: 22.1 Hours

Environment

Temp: 22 °C

Axial Tilt: 16.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.42 AU - 3.38 AU

Year: 1473 Days

Day: 23.5 Hours

Environment

Temp: -38 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.16 AU - 3.36 AU

Year: 1755 Days

Day: 43.8 Hours

Environment

Temp: -43 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.35 AU - 6.43 AU

Year: 3732 Days

Day: 21.1 Hours

Environment

Temp: -87 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.03 AU - 8.03 AU

Year: 6162 Days

Day: 35.4 Hours

Environment

Temp: -109 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Kuiper Belt

Range: 36.8 - 65.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 10,921 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit