🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.46 AU - 0.7 AU

Year: 157 Days

Day: 39.2 Hours

Environment

Temp: 176 °C

Axial Tilt: 27.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.01 AU - 1.23 AU

Year: 422 Days

Day: 36.7 Hours

Environment

Temp: 25 °C

Axial Tilt: 48.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 79,142,010 km

• M1: 67,020 km (0.058 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.03 AU - 5.01 AU

Year: 3425 Days

Day: 33.6 Hours

Environment

Temp: -125 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 19.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.3

Radius: 6

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 15.59 AU - 23.33 AU

Year: 30599 Days

Day: 22.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,142,010 km

• M1: 110,702 km (0.108 R)
• M2: 1,339,948 km (0.068 R)
• M3: 2,890,380 km (0.109 R)
• M4: 3,612,041 km (0.072 R)
• M5: 5,134,947 km (0.104 R)
• M6: 7,327,753 km (0.112 R)
• M7: 7,621,114 km (0.037 R)
• M8: 8,548,471 km (0.079 R)
• M9: 8,928,599 km (0.089 R)
• M10: 9,722,665 km (0.087 R)
• M11: 12,250,270 km (0.113 R)
• M12: 12,524,932 km (0.1 R)
• M13: 13,229,388 km (0.109 R)
• M14: 13,591,565 km (0.068 R)
• M15: 15,661,700 km (0.086 R)
• M16: 20,511,514 km (0.089 R)
• M17: 25,711,685 km (0.072 R)
• M18: 26,049,028 km (0.105 R)
• M19: 27,544,858 km (0.077 R)
• M20: 30,330,370 km (0.057 R)
• M21: 33,297,943 km (0.05 R)
• M22: 35,890,923 km (0.093 R)
• M23: 51,961,474 km (0.082 R)
• M24: 55,814,666 km (0.108 R)
• M25: 63,263,593 km (0.104 R)
• M26: 68,509,242 km (0.054 R)
• M27: 70,466,581 km (0.064 R)
• M28: 75,177,717 km (0.058 R)
• M29: 79,142,061 km (0.085 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 13,968 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit