🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.55 AU - 0.81 AU

Year: 200 Days

Day: 14.2 Hours

Environment

Temp: 186 °C

Axial Tilt: 27.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 48,879,186 km

• M1: 149,149 km (0.106 R)
• M2: 241,002 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.21 AU - 1.59 AU

Year: 590 Days

Day: 40.4 Hours

Environment

Temp: 10 °C

Axial Tilt: 38.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.52 AU - 1.7 AU

Year: 728 Days

Day: 26.8 Hours

Environment

Temp: -42 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982

Radius: 13.1

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.86 AU - 9.84 AU

Year: 8601 Days

Day: 14.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,879,186 km

• M1: 163,062 km (0.112 R)
• M2: 601,234 km (0.082 R)
• M3: 1,255,425 km (0.102 R)
• M4: 1,897,799 km (0.06 R)
• M5: 2,650,575 km (0.097 R)
• M6: 3,375,227 km (0.116 R)
• M7: 4,426,900 km (0.114 R)
• M8: 5,285,592 km (0.069 R)
• M9: 6,362,697 km (0.091 R)
• M10: 7,791,506 km (0.07 R)
• M11: 8,764,191 km (0.112 R)
• M12: 9,184,860 km (0.091 R)
• M13: 11,605,653 km (0.053 R)
• M14: 14,814,976 km (0.061 R)
• M15: 17,160,671 km (0.051 R)
• M16: 18,498,076 km (0.091 R)
• M17: 20,632,987 km (0.104 R)
• M18: 23,103,895 km (0.068 R)
• M19: 25,481,604 km (0.084 R)
• M20: 28,119,014 km (0.097 R)
• M21: 31,149,119 km (0.072 R)
• M22: 33,361,672 km (0.092 R)
• M23: 33,930,742 km (0.089 R)
• M24: 35,088,480 km (0.103 R)
• M25: 37,605,015 km (0.111 R)

Kuiper Belt

Range: 30.8 - 55.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 18,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit