🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.55 AU - 0.87 AU

Year: 265 Days

Day: 43.8 Hours

Environment

Temp: -23 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.78 AU - 0.86 AU

Year: 329 Days

Day: 22 Hours

Environment

Temp: -37 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.81 AU - 0.85 AU

Year: 335 Days

Day: 20.4 Hours

Environment

Temp: -52 °C

Axial Tilt: 49.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.98 AU - 1.28 AU

Year: 532 Days

Day: 47.2 Hours

Environment

Temp: -69 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.83 AU - 1.99 AU

Year: 1169 Days

Day: 35.7 Hours

Environment

Temp: -114 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.7

Radius: 12.6

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.85 AU - 3.51 AU

Year: 2512 Days

Day: 9.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 16,608,775 km

• M1: 156,779 km (0.102 R)
• M2: 797,656 km (0.052 R)
• M3: 1,358,199 km (0.118 R)
• M4: 1,919,939 km (0.054 R)
• M5: 2,592,232 km (0.094 R)
• M6: 3,622,213 km (0.108 R)
• M7: 4,349,408 km (0.095 R)
• M8: 5,104,878 km (0.083 R)
• M9: 5,872,614 km (0.095 R)
• M10: 6,323,053 km (0.114 R)
• M11: 7,014,495 km (0.119 R)
• M12: 8,361,025 km (0.093 R)
• M13: 9,769,339 km (0.049 R)
• M14: 10,367,731 km (0.053 R)
• M15: 11,368,391 km (0.113 R)
• M16: 11,991,017 km (0.107 R)
• M17: 12,391,790 km (0.104 R)
• M18: 14,941,087 km (0.085 R)
• M19: 15,593,932 km (0.114 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 16,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit