🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.04 AU - 1.12 AU

Year: 391 Days

Day: 24.3 Hours

Environment

Temp: 139 °C

Axial Tilt: 11.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.04 AU - 3.56 AU

Year: 2088 Days

Day: 21 Hours

Environment

Temp: -92 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.9

Radius: 8.8

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.79 AU - 9.29 AU

Year: 7210 Days

Day: 12.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,386,023 km

• M1: 111,002 km (0.051 R)
• M2: 938,577 km (0.106 R)
• M3: 1,217,727 km (0.053 R)
• M4: 1,498,522 km (0.062 R)
• M5: 1,937,592 km (0.113 R)
• M6: 3,039,081 km (0.117 R)
• M7: 3,351,291 km (0.056 R)
• M8: 5,565,041 km (0.113 R)
• M9: 6,352,674 km (0.099 R)
• M10: 6,712,157 km (0.098 R)
• M11: 7,504,876 km (0.055 R)
• M12: 9,162,421 km (0.119 R)
• M13: 9,505,748 km (0.096 R)
• M14: 12,476,313 km (0.075 R)
• M15: 13,136,937 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.5

Radius: 8.9

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.99 AU - 11.05 AU

Year: 9434 Days

Day: 13.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,386,023 km

• M1: 113,246 km (0.115 R)
• M2: 515,215 km (0.113 R)
• M3: 1,001,408 km (0.115 R)
• M4: 3,230,566 km (0.119 R)
• M5: 3,764,331 km (0.11 R)
• M6: 4,243,792 km (0.104 R)
• M7: 4,763,346 km (0.099 R)
• M8: 5,422,624 km (0.118 R)
• M9: 5,895,054 km (0.092 R)
• M10: 6,249,152 km (0.099 R)
• M11: 6,961,088 km (0.07 R)
• M12: 7,642,955 km (0.077 R)
• M13: 8,725,745 km (0.109 R)
• M14: 9,375,149 km (0.109 R)
• M15: 11,736,851 km (0.045 R)
• M16: 13,414,591 km (0.094 R)
• M17: 16,256,801 km (0.072 R)
• M18: 17,818,303 km (0.098 R)
• M19: 23,803,714 km (0.055 R)
• M20: 25,812,514 km (0.11 R)
• M21: 31,217,934 km (0.089 R)
• M22: 32,843,465 km (0.088 R)
• M23: 38,546,285 km (0.052 R)
• M24: 40,796,835 km (0.07 R)
• M25: 43,001,459 km (0.067 R)

Kuiper Belt

Range: 31.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 12,683 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit