🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.56 AU - 0.78 AU

Year: 349 Days

Day: 26.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.3

Radius: 13.7

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.67 AU - 0.81 AU

Year: 405 Days

Day: 13.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 15,816,750 km

• M1: 170,392 km (0.111 R)
• M2: 625,319 km (0.067 R)
• M3: 1,456,186 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.6

Radius: 10.6

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.04 AU - 1.58 AU

Year: 953 Days

Day: 6.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 15,816,750 km

• M1: 132,095 km (0.076 R)
• M2: 1,085,033 km (0.099 R)
• M3: 1,617,452 km (0.067 R)
• M4: 2,438,146 km (0.054 R)
• M5: 3,089,944 km (0.079 R)
• M6: 3,529,313 km (0.113 R)
• M7: 4,009,971 km (0.058 R)
• M8: 5,222,910 km (0.068 R)
• M9: 5,592,716 km (0.117 R)
• M10: 6,912,170 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.3

Radius: 14.4

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.93 AU - 2.01 AU

Year: 1758 Days

Day: 13.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 15,816,750 km

• M1: 179,218 km (0.1 R)
• M2: 736,022 km (0.026 R)
• M3: 1,345,932 km (0.063 R)
• M4: 2,041,413 km (0.081 R)
• M5: 3,090,393 km (0.081 R)
• M6: 3,607,702 km (0.094 R)
• M7: 4,375,289 km (0.03 R)
• M8: 4,840,389 km (0.114 R)
• M9: 6,464,573 km (0.096 R)
• M10: 7,043,666 km (0.098 R)
• M11: 8,832,707 km (0.115 R)
• M12: 9,614,057 km (0.073 R)
• M13: 10,090,825 km (0.107 R)
• M14: 13,459,769 km (0.119 R)
• M15: 14,014,329 km (0.114 R)
• M16: 14,539,567 km (0.11 R)
• M17: 15,629,836 km (0.071 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 11,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit