🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.47 AU - 0.75 AU

Year: 179 Days

Day: 19 Hours

Environment

Temp: 215 °C

Axial Tilt: 28.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.61 AU - 0.65 AU

Year: 188 Days

Day: 31.4 Hours

Environment

Temp: 113 °C

Axial Tilt: 7.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.66 AU - 1.08 AU

Year: 306 Days

Day: 38.2 Hours

Environment

Temp: 37 °C

Axial Tilt: 37.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.3 AU - 1.34 AU

Year: 571 Days

Day: 25.4 Hours

Environment

Temp: -36 °C

Axial Tilt: 149.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.59 AU - 2.55 AU

Year: 1122 Days

Day: 21.9 Hours

Environment

Temp: -81 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 18,932,909 km

• M1: 18,700 km (0.1 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.89 AU - 3.23 AU

Year: 2017 Days

Day: 23.4 Hours

Environment

Temp: -110 °C

Axial Tilt: 44 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.6

Radius: 9.1

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.9 AU - 7.54 AU

Year: 5844 Days

Day: 10 Hours

Environment

Temp: -160 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,932,909 km

• M1: 113,246 km (0.115 R)
• M2: 403,765 km (0.114 R)
• M3: 820,694 km (0.056 R)
• M4: 1,246,749 km (0.091 R)
• M5: 1,897,649 km (0.102 R)
• M6: 2,207,466 km (0.119 R)
• M7: 2,790,000 km (0.113 R)
• M8: 3,653,778 km (0.105 R)
• M9: 4,198,614 km (0.104 R)
• M10: 4,954,681 km (0.1 R)
• M11: 5,748,149 km (0.09 R)
• M12: 7,196,256 km (0.088 R)
• M13: 9,748,844 km (0.106 R)
• M14: 10,874,120 km (0.107 R)
• M15: 12,335,840 km (0.08 R)
• M16: 16,504,834 km (0.107 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 20,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit