🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.46 AU - 0.68 AU

Year: 158 Days

Day: 23.9 Hours

Environment

Temp: 233 °C

Axial Tilt: 4.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.51 AU - 0.77 AU

Year: 188 Days

Day: 35.3 Hours

Environment

Temp: 151 °C

Axial Tilt: 120.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.58 AU - 0.7 AU

Year: 188 Days

Day: 12.3 Hours

Environment

Temp: 182 °C

Axial Tilt: 2.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 31,524,134 km

• M1: 36,203 km (0.054 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.61 AU - 0.71 AU

Year: 197 Days

Day: 14.7 Hours

Environment

Temp: 181 °C

Axial Tilt: 8.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.49 AU - 1.99 AU

Year: 843 Days

Day: 47.5 Hours

Environment

Temp: -50 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.93 AU - 4.51 AU

Year: 3182 Days

Day: 42.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,524,134 km

• M1: 636,539 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.6

Radius: 9.6

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.11 AU - 7.19 AU

Year: 7018 Days

Day: 9.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 86.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,524,134 km

• M1: 121,773 km (0.03 R)
• M2: 449,242 km (0.097 R)
• M3: 765,343 km (0.045 R)
• M4: 1,082,341 km (0.092 R)
• M5: 1,408,913 km (0.1 R)
• M6: 1,802,206 km (0.032 R)
• M7: 2,190,262 km (0.098 R)
• M8: 2,740,184 km (0.072 R)
• M9: 3,859,625 km (0.104 R)
• M10: 4,334,449 km (0.115 R)
• M11: 7,388,788 km (0.104 R)
• M12: 10,753,245 km (0.102 R)
• M13: 12,087,059 km (0.073 R)
• M14: 12,487,682 km (0.118 R)
• M15: 17,057,598 km (0.063 R)
• M16: 18,337,109 km (0.096 R)
• M17: 19,337,769 km (0.098 R)
• M18: 20,586,313 km (0.091 R)
• M19: 22,937,243 km (0.078 R)
• M20: 23,551,791 km (0.099 R)
• M21: 25,298,646 km (0.097 R)
• M22: 25,789,626 km (0.098 R)
• M23: 27,472,452 km (0.119 R)
• M24: 28,165,539 km (0.089 R)
• M25: 28,959,305 km (0.051 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 16,524 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit