🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.83 AU - 1.07 AU

Year: 333 Days

Day: 45.7 Hours

Environment

Temp: 70 °C

Axial Tilt: 13.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.93 AU - 1.51 AU

Year: 485 Days

Day: 35.8 Hours

Environment

Temp: 7 °C

Axial Tilt: 28.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.7 AU - 3.86 AU

Year: 2645 Days

Day: 37.8 Hours

Environment

Temp: -107 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,814,273 km

• M1: 1,838,408 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737

Radius: 14.8

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.15 AU - 9.47 AU

Year: 7855 Days

Day: 13.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,814,273 km

• M1: 185,352 km (0.104 R)
• M2: 1,252,733 km (0.103 R)
• M3: 1,938,489 km (0.09 R)
• M4: 2,769,206 km (0.106 R)
• M5: 4,561,688 km (0.085 R)
• M6: 6,003,961 km (0.058 R)
• M7: 7,975,062 km (0.081 R)
• M8: 9,679,880 km (0.101 R)
• M9: 11,354,927 km (0.051 R)
• M10: 11,829,152 km (0.113 R)
• M11: 14,524,457 km (0.083 R)
• M12: 16,579,334 km (0.094 R)
• M13: 17,606,622 km (0.035 R)
• M14: 19,263,718 km (0.116 R)
• M15: 25,390,947 km (0.113 R)
• M16: 26,848,330 km (0.068 R)
• M17: 30,633,754 km (0.119 R)
• M18: 32,390,033 km (0.097 R)
• M19: 35,093,566 km (0.078 R)

Kuiper Belt

Range: 30.5 - 52.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 13,542 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit