🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.55 AU - 0.55 AU

Year: 150 Days

Day: 26.7 Hours

Environment

Temp: 214 °C

Axial Tilt: 9.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.3 AU - 1.3 AU

Year: 547 Days

Day: 25.6 Hours

Environment

Temp: 1 °C

Axial Tilt: 9.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.54 AU - 2.12 AU

Year: 913 Days

Day: 15.2 Hours

Environment

Temp: -55 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.71 AU - 2.85 AU

Year: 1270 Days

Day: 45.3 Hours

Environment

Temp: -81 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.33 AU - 4.69 AU

Year: 3534 Days

Day: 42.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,981,918 km

• M1: 2,160,941 km (0.105 R)

Asteroid Belt

Center: 5.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.6

Radius: 13.7

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.42 AU - 7.34 AU

Year: 5946 Days

Day: 5.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,981,918 km

• M1: 341,233 km (0.072 R)
• M2: 1,139,786 km (0.114 R)
• M3: 2,019,870 km (0.081 R)
• M4: 2,983,879 km (0.047 R)
• M5: 4,089,707 km (0.086 R)
• M6: 4,781,896 km (0.071 R)
• M7: 8,572,407 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.5

Radius: 6.9

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 13.32 AU - 13.7 AU

Year: 18321 Days

Day: 25 Hours

Environment

Temp: -198 °C

Axial Tilt: 93 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,981,918 km

• M1: 87,066 km (0.101 R)
• M2: 343,178 km (0.108 R)
• M3: 654,341 km (0.108 R)
• M4: 887,564 km (0.112 R)
• M5: 1,418,936 km (0.059 R)
• M6: 4,658,029 km (0.054 R)
• M7: 4,932,242 km (0.111 R)
• M8: 7,944,395 km (0.108 R)
• M9: 10,622,197 km (0.103 R)
• M10: 20,647,947 km (0.067 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 11,416 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit