🌌 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: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.44 AU - 0.62 AU

Year: 112 Days

Day: 18.2 Hours

Environment

Temp: 359 °C

Axial Tilt: 44.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.55 AU - 0.81 AU

Year: 162 Days

Day: 15.8 Hours

Environment

Temp: 291 °C

Axial Tilt: 45.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.86 AU - 1.14 AU

Year: 290 Days

Day: 14.9 Hours

Environment

Temp: 289 °C

Axial Tilt: 5.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.86 AU - 1.38 AU

Year: 343 Days

Day: 19.5 Hours

Environment

Temp: 219 °C

Axial Tilt: 1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.13 AU - 1.57 AU

Year: 454 Days

Day: 13.2 Hours

Environment

Temp: 203 °C

Axial Tilt: 161.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Terrestrial

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.93 AU - 6.89 AU

Year: 4162 Days

Day: 29.1 Hours

Environment

Temp: -93 °C

Axial Tilt: 44.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 17.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.4

Radius: 13.9

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 13.57 AU - 21.71 AU

Year: 21460 Days

Day: 8.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,602,469 km

• M1: 172,935 km (0.114 R)
• M2: 615,146 km (0.103 R)
• M3: 1,128,566 km (0.034 R)
• M4: 1,665,772 km (0.094 R)
• M5: 2,534,338 km (0.03 R)
• M6: 3,020,979 km (0.066 R)
• M7: 3,808,163 km (0.095 R)
• M8: 4,644,116 km (0.072 R)
• M9: 7,010,007 km (0.111 R)
• M10: 9,259,659 km (0.099 R)
• M11: 10,622,945 km (0.09 R)
• M12: 11,482,085 km (0.108 R)
• M13: 13,570,172 km (0.027 R)
• M14: 14,460,429 km (0.064 R)
• M15: 16,160,609 km (0.052 R)
• M16: 20,872,793 km (0.1 R)
• M17: 22,139,886 km (0.087 R)
• M18: 23,040,166 km (0.107 R)
• M19: 25,353,847 km (0.06 R)
• M20: 28,291,949 km (0.062 R)
• M21: 30,739,969 km (0.07 R)
• M22: 38,810,325 km (0.059 R)

Kuiper Belt

Range: 37.8 - 61.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 14,306 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit