🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.65 AU - 0.67 AU

Year: 201 Days

Day: 45.5 Hours

Environment

Temp: 173 °C

Axial Tilt: 4.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,667,763 km

• M1: 254,466 km (0.066 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.21 AU - 1.81 AU

Year: 695 Days

Day: 14.5 Hours

Environment

Temp: -45 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.09 AU - 3.83 AU

Year: 2412 Days

Day: 42.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.6

Radius: 9.1

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 7.41 AU - 9.01 AU

Year: 8815 Days

Day: 13.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,667,763 km

• M1: 115,041 km (0.031 R)
• M2: 705,204 km (0.108 R)
• M3: 1,120,039 km (0.092 R)
• M4: 1,707,510 km (0.072 R)
• M5: 2,315,027 km (0.083 R)
• M6: 3,511,212 km (0.109 R)
• M7: 4,080,432 km (0.119 R)
• M8: 5,019,457 km (0.061 R)
• M9: 5,372,508 km (0.03 R)
• M10: 6,464,274 km (0.095 R)
• M11: 6,990,260 km (0.099 R)
• M12: 11,811,201 km (0.087 R)
• M13: 13,985,755 km (0.093 R)
• M14: 16,931,936 km (0.105 R)
• M15: 20,564,621 km (0.104 R)
• M16: 24,350,943 km (0.067 R)
• M17: 27,932,914 km (0.105 R)
• M18: 32,051,793 km (0.092 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 16,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit