🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.52 AU - 0.52 AU

Year: 156 Days

Day: 28.8 Hours

Environment

Temp: 89 °C

Axial Tilt: 1.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 28,010,057 km

• M1: 301,739 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.57 AU - 0.61 AU

Year: 189 Days

Day: 43.1 Hours

Environment

Temp: 88 °C

Axial Tilt: 23.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 28,010,057 km

• M1: 44,431 km (0.076 R)
• M2: 67,469 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.8 AU - 1.22 AU

Year: 423 Days

Day: 17.9 Hours

Environment

Temp: -44 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.62 AU - 2.4 AU

Year: 1186 Days

Day: 17.9 Hours

Environment

Temp: -100 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.5

Radius: 9.3

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.32 AU - 4.46 AU

Year: 3829 Days

Day: 13.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,010,057 km

• M1: 115,639 km (0.073 R)
• M2: 450,589 km (0.11 R)
• M3: 839,094 km (0.116 R)
• M4: 1,261,110 km (0.116 R)
• M5: 1,670,559 km (0.11 R)
• M6: 3,030,254 km (0.088 R)
• M7: 3,357,425 km (0.11 R)
• M8: 3,729,475 km (0.093 R)
• M9: 4,175,127 km (0.081 R)
• M10: 4,781,896 km (0.054 R)
• M11: 5,281,553 km (0.054 R)
• M12: 9,807,038 km (0.107 R)
• M13: 11,557,184 km (0.086 R)
• M14: 12,025,425 km (0.093 R)
• M15: 13,506,294 km (0.069 R)
• M16: 14,505,010 km (0.045 R)
• M17: 17,306,828 km (0.064 R)
• M18: 18,106,728 km (0.117 R)
• M19: 18,931,162 km (0.074 R)
• M20: 19,582,212 km (0.099 R)
• M21: 20,860,077 km (0.053 R)
• M22: 22,480,371 km (0.105 R)
• M23: 23,284,310 km (0.111 R)
• M24: 25,969,891 km (0.116 R)
• M25: 26,450,100 km (0.11 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: 498 - 12,218 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit