🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.58 AU - 0.96 AU

Year: 242 Days

Day: 29.8 Hours

Environment

Temp: 174 °C

Axial Tilt: 41.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,445,152 km

• M1: 204,799 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.69 AU - 1.97 AU

Year: 887 Days

Day: 37.2 Hours

Environment

Temp: -52 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.02 AU - 2.08 AU

Year: 1051 Days

Day: 36.7 Hours

Environment

Temp: -67 °C

Axial Tilt: 155.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.17 AU - 2.43 AU

Year: 1249 Days

Day: 36.3 Hours

Environment

Temp: -74 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.28 AU - 3.54 AU

Year: 1778 Days

Day: 38.8 Hours

Environment

Temp: -84 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 12.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.5

Radius: 4.6

Gravity: 16.56 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 10.44 AU - 15.22 AU

Year: 16459 Days

Day: 18.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,445,152 km

• M1: 98,735 km (0.111 R)
• M2: 244,742 km (0.109 R)
• M3: 595,250 km (0.117 R)
• M4: 1,119,740 km (0.103 R)
• M5: 3,297,735 km (0.103 R)
• M6: 5,529,586 km (0.119 R)
• M7: 5,706,860 km (0.099 R)
• M8: 8,652,142 km (0.093 R)
• M9: 8,939,670 km (0.09 R)
• M10: 13,727,101 km (0.053 R)
• M11: 20,402,158 km (0.065 R)
• M12: 26,479,571 km (0.111 R)
• M13: 28,324,861 km (0.082 R)
• M14: 32,268,859 km (0.103 R)
• M15: 36,439,648 km (0.101 R)
• M16: 39,237,128 km (0.12 R)
• M17: 46,265,685 km (0.078 R)
• M18: 46,850,014 km (0.057 R)

Kuiper Belt

Range: 30.6 - 58.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 13,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit