🌌 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: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.51 AU - 0.73 AU

Year: 183 Days

Day: 24.2 Hours

Environment

Temp: 200 °C

Axial Tilt: 105.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 50,449,264 km

• M1: 17,653 km (0.107 R)
• M2: 143,315 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.23 AU - 4.35 AU

Year: 3330 Days

Day: 32.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 46.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,449,264 km

• M1: 1,078,601 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.7

Radius: 11.1

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.33 AU - 6.61 AU

Year: 5466 Days

Day: 12.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,449,264 km

• M1: 143,016 km (0.068 R)
• M2: 501,602 km (0.089 R)
• M3: 1,338,751 km (0.069 R)
• M4: 1,743,713 km (0.117 R)
• M5: 2,879,909 km (0.109 R)
• M6: 3,802,927 km (0.056 R)
• M7: 4,479,708 km (0.108 R)
• M8: 4,912,794 km (0.112 R)
• M9: 5,716,135 km (0.098 R)
• M10: 6,767,359 km (0.099 R)
• M11: 7,167,683 km (0.115 R)
• M12: 7,761,886 km (0.107 R)
• M13: 9,659,983 km (0.063 R)
• M14: 10,650,172 km (0.075 R)
• M15: 11,055,731 km (0.078 R)
• M16: 11,518,288 km (0.075 R)
• M17: 13,034,762 km (0.108 R)
• M18: 15,410,226 km (0.095 R)
• M19: 20,101,615 km (0.055 R)
• M20: 21,497,214 km (0.108 R)
• M21: 24,247,571 km (0.049 R)
• M22: 25,108,656 km (0.106 R)
• M23: 26,643,530 km (0.105 R)
• M24: 27,057,767 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.4

Radius: 3.2

Gravity: 24.26 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 12.93 AU - 13.43 AU

Year: 17931 Days

Day: 18.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,449,264 km

• M1: 42,785 km (0.085 R)
• M2: 266,284 km (0.103 R)
• M3: 576,550 km (0.046 R)
• M4: 846,425 km (0.045 R)
• M5: 1,347,129 km (0.114 R)
• M6: 2,333,428 km (0.102 R)
• M7: 3,616,678 km (0.116 R)
• M8: 4,946,454 km (0.105 R)
• M9: 8,335,444 km (0.106 R)
• M10: 13,566,433 km (0.105 R)
• M11: 14,140,589 km (0.097 R)
• M12: 17,182,512 km (0.088 R)
• M13: 19,892,627 km (0.118 R)
• M14: 32,215,004 km (0.107 R)
• M15: 35,696,894 km (0.106 R)
• M16: 42,176,876 km (0.061 R)
• M17: 44,499,682 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 19,239 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit