🌌 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: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.55 AU - 0.55 AU

Year: 153 Days

Day: 27.7 Hours

Environment

Temp: 211 °C

Axial Tilt: 43.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.48 AU - 2.3 AU

Year: 974 Days

Day: 40 Hours

Environment

Temp: -71 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.91 AU - 2.07 AU

Year: 1052 Days

Day: 15.5 Hours

Environment

Temp: -71 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.58 AU - 2.86 AU

Year: 1681 Days

Day: 21.9 Hours

Environment

Temp: -102 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,246,563 km

• M1: 729,589 km (0.066 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.13 AU - 4.27 AU

Year: 2667 Days

Day: 41.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,246,563 km

• M1: 536,907 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.8

Radius: 10.9

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 8.99 AU - 12.63 AU

Year: 13319 Days

Day: 7.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,246,563 km

• M1: 136,882 km (0.069 R)
• M2: 565,630 km (0.061 R)
• M3: 935,286 km (0.087 R)
• M4: 1,594,115 km (0.091 R)
• M5: 2,464,326 km (0.111 R)
• M6: 5,089,469 km (0.032 R)
• M7: 7,553,795 km (0.047 R)
• M8: 8,016,501 km (0.107 R)
• M9: 9,232,732 km (0.095 R)
• M10: 11,040,622 km (0.097 R)
• M11: 11,692,570 km (0.089 R)
• M12: 16,713,673 km (0.071 R)
• M13: 19,226,019 km (0.1 R)
• M14: 26,975,787 km (0.092 R)
• M15: 30,100,737 km (0.11 R)
• M16: 31,051,432 km (0.106 R)
• M17: 31,696,198 km (0.104 R)
• M18: 32,459,746 km (0.092 R)
• M19: 40,527,410 km (0.076 R)
• M20: 41,686,195 km (0.084 R)
• M21: 45,295,542 km (0.049 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 150 - 15,094 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit