🌌 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: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.59 AU - 0.67 AU

Year: 107 Days

Day: 19.3 Hours

Environment

Temp: 705 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 11,234,922 km

• M1: 18,700 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.79 AU - 0.99 AU

Year: 180 Days

Day: 27.5 Hours

Environment

Temp: 540 °C

Axial Tilt: 0.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 11,234,922 km

• M1: 171,888 km (0.067 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.11 AU - 3.57 AU

Year: 1309 Days

Day: 38.4 Hours

Environment

Temp: 215 °C

Axial Tilt: 142.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.16 AU - 4.34 AU

Year: 1558 Days

Day: 15.1 Hours

Environment

Temp: 146 °C

Axial Tilt: 19.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 11,234,922 km

• M1: 647,759 km (0.086 R)
• M2: 1,822,102 km (0.116 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.27 AU - 4.45 AU

Year: 1627 Days

Day: 13.7 Hours

Environment

Temp: 217 °C

Axial Tilt: 20 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Terrestrial

Semi-Major Axis: 5.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.78 AU - 6.24 AU

Year: 2405 Days

Day: 15.4 Hours

Environment

Temp: 99 °C

Axial Tilt: 46.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 11,234,922 km

• M1: 251,773 km (0.068 R)
• M2: 2,122,794 km (0.102 R)

Planet 7 - Terrestrial

Semi-Major Axis: 5.25 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.56 AU - 5.94 AU

Year: 2580 Days

Day: 43.7 Hours

Environment

Temp: 128 °C

Axial Tilt: 8.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 8 - Terrestrial

Semi-Major Axis: 6.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.49 AU - 7.39 AU

Year: 3921 Days

Day: 35.2 Hours

Environment

Temp: 17 °C

Axial Tilt: 38.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 9 - Terrestrial

Semi-Major Axis: 21.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 18.61 AU - 24.61 AU

Year: 21546 Days

Day: 40.9 Hours

Environment

Temp: -106 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Kuiper Belt

Range: 51.2 - 76.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 16,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit