🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.42 AU - 0.68 AU

Year: 154 Days

Day: 43.7 Hours

Environment

Temp: 215 °C

Axial Tilt: 37.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.09 AU - 3.97 AU

Year: 2512 Days

Day: 30.9 Hours

Environment

Temp: -114 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.5

Radius: 10.6

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.56 AU - 7.38 AU

Year: 5525 Days

Day: 7.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,126,419 km

• M1: 132,843 km (0.05 R)
• M2: 574,905 km (0.099 R)
• M3: 1,546,842 km (0.107 R)
• M4: 1,887,776 km (0.095 R)
• M5: 2,321,759 km (0.109 R)
• M6: 3,406,643 km (0.051 R)
• M7: 5,124,325 km (0.091 R)
• M8: 6,017,126 km (0.1 R)
• M9: 6,587,692 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.9

Radius: 12.5

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.6 AU - 7.16 AU

Year: 6104 Days

Day: 6.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,126,419 km

• M1: 156,629 km (0.08 R)
• M2: 708,795 km (0.039 R)
• M3: 1,316,461 km (0.09 R)
• M4: 2,353,474 km (0.113 R)
• M5: 4,505,589 km (0.095 R)
• M6: 5,550,081 km (0.109 R)
• M7: 6,098,357 km (0.04 R)
• M8: 7,197,453 km (0.119 R)
• M9: 8,268,723 km (0.103 R)
• M10: 8,822,684 km (0.114 R)
• M11: 9,233,330 km (0.106 R)
• M12: 11,052,889 km (0.064 R)
• M13: 15,626,844 km (0.072 R)
• M14: 18,931,910 km (0.07 R)
• M15: 19,617,218 km (0.118 R)
• M16: 23,922,345 km (0.027 R)
• M17: 24,642,509 km (0.107 R)
• M18: 30,187,354 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.5

Radius: 6.7

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 19.08 AU - 19.24 AU

Year: 31764 Days

Day: 20.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,126,419 km

• M1: 90,208 km (0.102 R)
• M2: 409,150 km (0.11 R)
• M3: 719,865 km (0.063 R)
• M4: 1,030,430 km (0.052 R)
• M5: 1,351,467 km (0.073 R)
• M6: 2,793,591 km (0.103 R)
• M7: 3,693,272 km (0.067 R)
• M8: 11,109,886 km (0.119 R)
• M9: 18,365,383 km (0.09 R)
• M10: 27,275,881 km (0.055 R)
• M11: 28,962,597 km (0.086 R)
• M12: 30,298,356 km (0.118 R)
• M13: 45,439,156 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 15,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit