🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.61 AU - 0.63 AU

Year: 183 Days

Day: 26.2 Hours

Environment

Temp: 136 °C

Axial Tilt: 11.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 14,800,547 km

• M1: 37,399 km (0.056 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.9 AU - 1.3 AU

Year: 432 Days

Day: 19.9 Hours

Environment

Temp: 19 °C

Axial Tilt: 39.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.24 AU - 1.96 AU

Year: 758 Days

Day: 35.9 Hours

Environment

Temp: -51 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.5

Radius: 10.3

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.13 AU - 6.81 AU

Year: 4794 Days

Day: 10.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 14,800,547 km

• M1: 128,056 km (0.094 R)
• M2: 451,935 km (0.103 R)
• M3: 786,735 km (0.072 R)
• M4: 1,921,734 km (0.089 R)
• M5: 3,530,061 km (0.117 R)
• M6: 4,155,380 km (0.11 R)
• M7: 4,569,916 km (0.077 R)
• M8: 5,655,697 km (0.05 R)
• M9: 6,674,309 km (0.118 R)
• M10: 8,444,650 km (0.118 R)
• M11: 9,479,718 km (0.077 R)
• M12: 11,234,501 km (0.109 R)
• M13: 11,562,569 km (0.102 R)
• M14: 13,987,401 km (0.088 R)
• M15: 17,038,001 km (0.052 R)
• M16: 20,160,557 km (0.055 R)
• M17: 22,664,975 km (0.112 R)
• M18: 25,289,520 km (0.071 R)
• M19: 27,939,048 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.1

Radius: 14.5

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.29 AU - 6.85 AU

Year: 4926 Days

Day: 5.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,800,547 km

• M1: 180,265 km (0.052 R)
• M2: 701,016 km (0.091 R)
• M3: 1,318,556 km (0.033 R)
• M4: 2,212,403 km (0.099 R)
• M5: 4,383,517 km (0.11 R)
• M6: 6,828,993 km (0.1 R)
• M7: 10,348,732 km (0.041 R)
• M8: 11,564,963 km (0.092 R)
• M9: 13,155,786 km (0.086 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 11,013 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit