🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.54 AU - 0.54 AU

Year: 149 Days

Day: 41.5 Hours

Environment

Temp: 148 °C

Axial Tilt: 3.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.5 AU - 0.74 AU

Year: 184 Days

Day: 29.1 Hours

Environment

Temp: 175 °C

Axial Tilt: 19 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.53 AU - 2.09 AU

Year: 917 Days

Day: 45.7 Hours

Environment

Temp: -73 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35

Radius: 11.8

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.96 AU - 7.18 AU

Year: 7082 Days

Day: 6.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,265,327 km

• M1: 147,354 km (0.112 R)
• M2: 1,082,640 km (0.071 R)
• M3: 1,874,013 km (0.026 R)
• M4: 2,736,743 km (0.105 R)
• M5: 3,137,367 km (0.083 R)
• M6: 3,544,722 km (0.088 R)
• M7: 4,240,950 km (0.066 R)
• M8: 5,005,545 km (0.102 R)
• M9: 6,141,591 km (0.09 R)
• M10: 7,414,968 km (0.113 R)
• M11: 10,825,052 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518

Radius: 13.6

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 9.86 AU - 11.44 AU

Year: 13093 Days

Day: 12.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,265,327 km

• M1: 170,990 km (0.088 R)
• M2: 1,074,262 km (0.109 R)
• M3: 3,212,165 km (0.102 R)
• M4: 4,084,171 km (0.096 R)
• M5: 5,076,454 km (0.078 R)
• M6: 7,969,079 km (0.038 R)
• M7: 10,706,271 km (0.055 R)
• M8: 11,478,196 km (0.117 R)
• M9: 14,741,823 km (0.1 R)
• M10: 15,283,218 km (0.108 R)
• M11: 21,797,457 km (0.117 R)
• M12: 33,769,775 km (0.103 R)
• M13: 34,830,723 km (0.065 R)
• M14: 37,768,675 km (0.088 R)
• M15: 39,556,819 km (0.098 R)
• M16: 42,752,528 km (0.046 R)
• M17: 45,829,756 km (0.109 R)
• M18: 46,693,983 km (0.105 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 15,273 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit