🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.84 AU - 0.84 AU

Year: 163 Days

Day: 16.2 Hours

Environment

Temp: 663 °C

Axial Tilt: 45.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.2 AU - 1.26 AU

Year: 289 Days

Day: 31.3 Hours

Environment

Temp: 461 °C

Axial Tilt: 42.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.44 AU - 1.68 AU

Year: 413 Days

Day: 20.5 Hours

Environment

Temp: 420 °C

Axial Tilt: 46.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 14,386,927 km

• M1: 17,952 km (0.091 R)
• M2: 177,124 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.42 AU - 2.06 AU

Year: 486 Days

Day: 23.7 Hours

Environment

Temp: 386 °C

Axial Tilt: 136.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 14,386,927 km

• M1: 175,179 km (0.087 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.31 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.88 AU - 4.74 AU

Year: 1896 Days

Day: 38 Hours

Environment

Temp: 152 °C

Axial Tilt: 7.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 14,386,927 km

• M1: 311,463 km (0.108 R)
• M2: 1,990,998 km (0.096 R)

Planet 6 - Terrestrial

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 10.08 AU - 10.22 AU

Year: 6853 Days

Day: 32.7 Hours

Environment

Temp: -28 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 13.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 12.83 AU - 13.55 AU

Year: 10153 Days

Day: 31 Hours

Environment

Temp: -56 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 14.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 13.82 AU - 15.9 AU

Year: 12141 Days

Day: 14.6 Hours

Environment

Temp: -76 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 27.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 25.77 AU - 28.89 AU

Year: 30281 Days

Day: 45 Hours

Environment

Temp: -127 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Kuiper Belt

Range: 51.8 - 77.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 18,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit