🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.52 AU - 0.74 AU

Year: 180 Days

Day: 16 Hours

Environment

Temp: 175 °C

Axial Tilt: 11.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.24 AU - 1.88 AU

Year: 701 Days

Day: 40.1 Hours

Environment

Temp: -34 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.47 AU - 2.09 AU

Year: 855 Days

Day: 43 Hours

Environment

Temp: -44 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.49 AU - 2.13 AU

Year: 876 Days

Day: 13.1 Hours

Environment

Temp: -41 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.93 AU - 2.31 AU

Year: 1111 Days

Day: 23.5 Hours

Environment

Temp: -59 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.1

Radius: 11.3

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.35 AU - 11.79 AU

Year: 10655 Days

Day: 14.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,385,217 km

• M1: 173,833 km (0.085 R)
• M2: 1,208,452 km (0.047 R)
• M3: 2,685,132 km (0.11 R)
• M4: 3,189,875 km (0.042 R)
• M5: 3,883,860 km (0.103 R)
• M6: 5,156,938 km (0.037 R)
• M7: 6,690,316 km (0.091 R)
• M8: 10,482,472 km (0.112 R)
• M9: 13,687,457 km (0.114 R)
• M10: 16,245,282 km (0.119 R)
• M11: 24,894,432 km (0.091 R)
• M12: 29,679,470 km (0.056 R)
• M13: 31,017,323 km (0.103 R)
• M14: 33,592,052 km (0.065 R)
• M15: 34,818,456 km (0.09 R)
• M16: 35,614,316 km (0.09 R)

Kuiper Belt

Range: 30.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 20,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit