🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.61 AU - 0.77 AU

Year: 216 Days

Day: 31.2 Hours

Environment

Temp: 177 °C

Axial Tilt: 46.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.87 AU - 0.89 AU

Year: 311 Days

Day: 20.2 Hours

Environment

Temp: 21 °C

Axial Tilt: 35.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.77 AU - 1.91 AU

Year: 940 Days

Day: 37.1 Hours

Environment

Temp: -73 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,203,239 km

• M1: 58,044 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.6

Radius: 8.2

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.47 AU - 5.41 AU

Year: 3525 Days

Day: 11.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 25,203,239 km

• M1: 105,915 km (0.111 R)
• M2: 380,278 km (0.065 R)
• M3: 664,963 km (0.041 R)
• M4: 1,054,216 km (0.111 R)
• M5: 1,684,472 km (0.041 R)
• M6: 2,182,483 km (0.115 R)
• M7: 3,109,691 km (0.117 R)
• M8: 3,392,730 km (0.076 R)
• M9: 3,651,834 km (0.054 R)
• M10: 3,945,793 km (0.04 R)
• M11: 5,283,498 km (0.046 R)
• M12: 5,855,709 km (0.044 R)
• M13: 6,468,612 km (0.051 R)
• M14: 7,787,467 km (0.076 R)
• M15: 8,897,483 km (0.114 R)
• M16: 9,786,693 km (0.062 R)
• M17: 11,251,854 km (0.108 R)
• M18: 12,762,045 km (0.086 R)
• M19: 13,098,939 km (0.109 R)
• M20: 14,145,526 km (0.12 R)
• M21: 14,820,811 km (0.081 R)
• M22: 16,404,304 km (0.065 R)
• M23: 16,688,241 km (0.104 R)
• M24: 17,033,363 km (0.086 R)
• M25: 17,977,176 km (0.096 R)
• M26: 21,487,490 km (0.084 R)
• M27: 22,658,841 km (0.104 R)
• M28: 23,944,785 km (0.06 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 13,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit