🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.08 AU - 1.36 AU

Year: 510 Days

Day: 13.1 Hours

Environment

Temp: -32 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.42 AU - 1.52 AU

Year: 675 Days

Day: 27.3 Hours

Environment

Temp: -48 °C

Axial Tilt: 49.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.19 AU - 1.83 AU

Year: 703 Days

Day: 26.8 Hours

Environment

Temp: -54 °C

Axial Tilt: 56.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.25 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.7

Radius: 14.1

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.96 AU - 6.02 AU

Year: 4222 Days

Day: 6.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,419,454 km

• M1: 175,777 km (0.083 R)
• M2: 744,549 km (0.08 R)
• M3: 1,338,452 km (0.084 R)
• M4: 1,929,214 km (0.057 R)
• M5: 2,373,819 km (0.1 R)
• M6: 2,937,953 km (0.113 R)
• M7: 3,514,054 km (0.067 R)
• M8: 4,165,104 km (0.099 R)
• M9: 5,116,397 km (0.118 R)
• M10: 7,742,737 km (0.098 R)
• M11: 10,299,664 km (0.119 R)
• M12: 11,682,247 km (0.106 R)
• M13: 13,280,401 km (0.096 R)
• M14: 14,508,151 km (0.087 R)
• M15: 16,683,903 km (0.118 R)
• M16: 20,695,070 km (0.101 R)
• M17: 22,479,474 km (0.086 R)
• M18: 23,513,943 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.3

Radius: 7.5

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 14.59 AU - 19.25 AU

Year: 26360 Days

Day: 19.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,419,454 km

• M1: 93,349 km (0.086 R)
• M2: 376,987 km (0.095 R)
• M3: 875,896 km (0.091 R)
• M4: 1,387,819 km (0.098 R)
• M5: 2,065,797 km (0.051 R)
• M6: 3,650,936 km (0.105 R)
• M7: 6,273,237 km (0.108 R)
• M8: 7,614,980 km (0.115 R)
• M9: 8,037,894 km (0.09 R)
• M10: 9,085,976 km (0.107 R)
• M11: 17,274,216 km (0.077 R)
• M12: 18,502,863 km (0.093 R)
• M13: 21,409,250 km (0.095 R)
• M14: 23,507,660 km (0.07 R)
• M15: 24,606,606 km (0.112 R)
• M16: 28,330,994 km (0.062 R)
• M17: 30,268,586 km (0.085 R)
• M18: 32,536,789 km (0.11 R)
• M19: 35,301,806 km (0.051 R)
• M20: 40,581,564 km (0.054 R)
• M21: 49,048,654 km (0.065 R)
• M22: 52,168,966 km (0.084 R)
• M23: 54,034,751 km (0.082 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 17,617 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit