🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.41 AU - 0.67 AU

Year: 140 Days

Day: 29.6 Hours

Environment

Temp: 243 °C

Axial Tilt: 37.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.78 AU - 0.84 AU

Year: 257 Days

Day: 12.7 Hours

Environment

Temp: 156 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,973,523 km

• M1: 52,060 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.1 AU - 1.34 AU

Year: 476 Days

Day: 34.4 Hours

Environment

Temp: 33 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 41,973,523 km

• M1: 272,119 km (0.039 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.29 AU - 4.43 AU

Year: 2678 Days

Day: 18.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.83 AU - 4.33 AU

Year: 2910 Days

Day: 12.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.5

Radius: 8.7

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.75 AU - 6.95 AU

Year: 6330 Days

Day: 12.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,973,523 km

• M1: 108,159 km (0.025 R)
• M2: 392,844 km (0.095 R)
• M3: 863,778 km (0.079 R)
• M4: 1,212,790 km (0.065 R)
• M5: 2,699,194 km (0.052 R)
• M6: 4,411,043 km (0.091 R)
• M7: 6,057,966 km (0.075 R)
• M8: 8,852,903 km (0.105 R)
• M9: 10,037,868 km (0.077 R)
• M10: 11,765,873 km (0.049 R)
• M11: 12,447,740 km (0.079 R)
• M12: 13,724,707 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.2

Radius: 9.4

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.85 AU - 8.97 AU

Year: 8612 Days

Day: 7.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,973,523 km

• M1: 117,135 km (0.105 R)
• M2: 587,321 km (0.118 R)
• M3: 887,115 km (0.085 R)
• M4: 1,258,417 km (0.104 R)
• M5: 1,634,806 km (0.027 R)
• M6: 2,638,158 km (0.044 R)
• M7: 3,152,027 km (0.077 R)
• M8: 4,244,391 km (0.03 R)
• M9: 4,774,865 km (0.082 R)
• M10: 7,389,088 km (0.095 R)
• M11: 16,872,695 km (0.048 R)
• M12: 23,279,822 km (0.07 R)
• M13: 27,774,789 km (0.083 R)
• M14: 28,835,887 km (0.082 R)
• M15: 36,117,115 km (0.071 R)
• M16: 37,380,918 km (0.07 R)
• M17: 41,348,851 km (0.101 R)

Kuiper Belt

Range: 31.1 - 48.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 13,477 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit