🌌 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: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.57 AU - 0.87 AU

Year: 218 Days

Day: 33 Hours

Environment

Temp: 137 °C

Axial Tilt: 25.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.98 AU - 2.14 AU

Year: 1054 Days

Day: 34.1 Hours

Environment

Temp: -70 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.46 AU - 4.08 AU

Year: 2609 Days

Day: 30.9 Hours

Environment

Temp: -113 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.85 AU - 5.79 AU

Year: 3772 Days

Day: 13.7 Hours

Environment

Temp: -121 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.4

Radius: 9.1

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 7.07 AU - 8.19 AU

Year: 7512 Days

Day: 8.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,296,066 km

• M1: 113,246 km (0.085 R)
• M2: 407,505 km (0.034 R)
• M3: 1,197,681 km (0.095 R)
• M4: 1,504,955 km (0.106 R)
• M5: 2,053,081 km (0.05 R)
• M6: 2,451,760 km (0.078 R)
• M7: 3,212,465 km (0.065 R)
• M8: 3,794,700 km (0.115 R)
• M9: 5,628,470 km (0.105 R)
• M10: 11,247,666 km (0.089 R)
• M11: 11,927,289 km (0.118 R)
• M12: 13,269,032 km (0.074 R)
• M13: 13,670,253 km (0.071 R)
• M14: 14,391,764 km (0.111 R)
• M15: 16,420,760 km (0.044 R)
• M16: 19,392,073 km (0.09 R)
• M17: 26,217,625 km (0.112 R)

Kuiper Belt

Range: 30.8 - 57.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 11,110 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit