🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.8 AU - 0.8 AU

Year: 261 Days

Day: 26.4 Hours

Environment

Temp: 96 °C

Axial Tilt: 42.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,388,096 km

• M1: 437,873 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.22 AU - 1.84 AU

Year: 691 Days

Day: 46.6 Hours

Environment

Temp: -34 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 39,388,096 km

• M1: 191,186 km (0.099 R)
• M2: 410,347 km (0.051 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.5 AU - 1.9 AU

Year: 810 Days

Day: 17.4 Hours

Environment

Temp: -46 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.3

Radius: 11.4

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.33 AU - 8.35 AU

Year: 6534 Days

Day: 9.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,388,096 km

• M1: 151,543 km (0.08 R)
• M2: 542,741 km (0.058 R)
• M3: 931,546 km (0.104 R)
• M4: 2,227,961 km (0.088 R)
• M5: 2,967,124 km (0.077 R)
• M6: 3,576,885 km (0.113 R)
• M7: 4,164,655 km (0.059 R)
• M8: 4,702,759 km (0.11 R)
• M9: 5,256,570 km (0.113 R)
• M10: 5,756,227 km (0.096 R)
• M11: 8,704,053 km (0.074 R)
• M12: 9,182,018 km (0.101 R)
• M13: 10,381,793 km (0.102 R)
• M14: 12,104,861 km (0.03 R)
• M15: 13,430,897 km (0.085 R)
• M16: 14,427,219 km (0.066 R)
• M17: 15,097,716 km (0.086 R)
• M18: 15,472,160 km (0.058 R)
• M19: 19,126,686 km (0.057 R)
• M20: 19,491,705 km (0.066 R)
• M21: 20,085,609 km (0.07 R)
• M22: 22,099,196 km (0.077 R)
• M23: 23,989,664 km (0.095 R)
• M24: 25,807,727 km (0.118 R)
• M25: 31,608,085 km (0.108 R)
• M26: 32,221,736 km (0.033 R)
• M27: 32,635,224 km (0.074 R)
• M28: 33,578,588 km (0.095 R)
• M29: 34,217,371 km (0.116 R)
• M30: 36,741,835 km (0.091 R)
• M31: 37,534,255 km (0.099 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 18,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit