🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.52 AU - 0.52 AU

Year: 141 Days

Day: 47.2 Hours

Environment

Temp: 189 °C

Axial Tilt: 44.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 64,682,866 km

• M1: 21,991 km (0.113 R)
• M2: 45,478 km (0.062 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.73 AU - 0.83 AU

Year: 260 Days

Day: 42.5 Hours

Environment

Temp: 134 °C

Axial Tilt: 13.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.01 AU - 1.35 AU

Year: 483 Days

Day: 41 Hours

Environment

Temp: -18 °C

Axial Tilt: 21.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.1 AU - 1.4 AU

Year: 526 Days

Day: 23 Hours

Environment

Temp: -28 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.29 AU - 1.37 AU

Year: 578 Days

Day: 30.2 Hours

Environment

Temp: -32 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,682,866 km

• M1: 825,930 km (0.102 R)

Asteroid Belt

Center: 6.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.8

Radius: 11.2

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 8.77 AU - 14.39 AU

Year: 14845 Days

Day: 11.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,682,866 km

• M1: 139,425 km (0.072 R)
• M2: 1,273,676 km (0.034 R)
• M3: 1,934,749 km (0.094 R)
• M4: 2,653,717 km (0.068 R)
• M5: 3,597,679 km (0.045 R)
• M6: 3,967,934 km (0.057 R)
• M7: 4,989,837 km (0.112 R)
• M8: 6,797,727 km (0.062 R)
• M9: 8,110,748 km (0.078 R)
• M10: 8,904,065 km (0.084 R)
• M11: 9,639,937 km (0.054 R)
• M12: 10,645,085 km (0.101 R)
• M13: 18,193,794 km (0.058 R)
• M14: 18,949,562 km (0.082 R)
• M15: 20,433,872 km (0.048 R)
• M16: 22,563,548 km (0.103 R)
• M17: 31,480,778 km (0.119 R)
• M18: 32,692,371 km (0.091 R)
• M19: 33,558,692 km (0.095 R)
• M20: 35,208,308 km (0.077 R)
• M21: 53,577,281 km (0.092 R)
• M22: 61,446,727 km (0.116 R)
• M23: 64,296,417 km (0.095 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 16,717 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit