🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.54 AU - 0.58 AU

Year: 155 Days

Day: 27.5 Hours

Environment

Temp: 208 °C

Axial Tilt: 1.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.62 AU - 0.98 AU

Year: 265 Days

Day: 14.3 Hours

Environment

Temp: 97 °C

Axial Tilt: 35.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 8,308,687 km

• M1: 31,116 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.23 AU - 1.79 AU

Year: 688 Days

Day: 18.1 Hours

Environment

Temp: -52 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 8,308,687 km

• M1: 20,046 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.6 AU - 2.02 AU

Year: 903 Days

Day: 32.6 Hours

Environment

Temp: -65 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.87 AU - 2.91 AU

Year: 1370 Days

Day: 22.7 Hours

Environment

Temp: -80 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 8,308,687 km

• M1: 954,135 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.8

Radius: 14.3

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.55 AU - 5.75 AU

Year: 3719 Days

Day: 13.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 8,308,687 km

• M1: 177,872 km (0.096 R)
• M2: 734,077 km (0.107 R)
• M3: 1,443,919 km (0.098 R)
• M4: 2,319,365 km (0.099 R)
• M5: 2,848,942 km (0.101 R)
• M6: 4,435,278 km (0.099 R)
• M7: 4,962,610 km (0.071 R)
• M8: 6,696,898 km (0.117 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 12,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit