🌌 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: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.61 AU - 0.99 AU

Year: 272 Days

Day: 14.6 Hours

Environment

Temp: 96 °C

Axial Tilt: 8.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1 AU - 1.06 AU

Year: 398 Days

Day: 16.5 Hours

Environment

Temp: -1 °C

Axial Tilt: 33.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.86 AU - 4.52 AU

Year: 2699 Days

Day: 26.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.2

Radius: 10.4

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.14 AU - 6.62 AU

Year: 6137 Days

Day: 9.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,930,965 km

• M1: 129,402 km (0.108 R)
• M2: 537,206 km (0.05 R)
• M3: 873,951 km (0.108 R)
• M4: 1,574,069 km (0.119 R)
• M5: 2,093,772 km (0.076 R)
• M6: 2,956,054 km (0.066 R)
• M7: 3,752,214 km (0.077 R)
• M8: 4,685,555 km (0.097 R)
• M9: 5,429,206 km (0.035 R)
• M10: 6,085,791 km (0.098 R)
• M11: 7,333,736 km (0.083 R)
• M12: 10,422,184 km (0.059 R)
• M13: 11,737,748 km (0.063 R)
• M14: 14,287,045 km (0.031 R)
• M15: 16,537,745 km (0.113 R)
• M16: 20,232,514 km (0.036 R)
• M17: 22,193,742 km (0.098 R)
• M18: 22,584,940 km (0.079 R)
• M19: 23,786,211 km (0.12 R)
• M20: 25,029,669 km (0.104 R)
• M21: 26,403,127 km (0.086 R)
• M22: 27,735,744 km (0.108 R)
• M23: 29,019,593 km (0.119 R)
• M24: 29,865,569 km (0.112 R)
• M25: 31,508,304 km (0.057 R)
• M26: 33,312,454 km (0.08 R)
• M27: 35,716,641 km (0.094 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 18,424 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit