🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.49 AU - 0.81 AU

Year: 197 Days

Day: 21.9 Hours

Environment

Temp: 136 °C

Axial Tilt: 148.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.65 AU - 0.79 AU

Year: 230 Days

Day: 46 Hours

Environment

Temp: 122 °C

Axial Tilt: 4.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 41,753,195 km

• M1: 81,980 km (0.041 R)
• M2: 433,684 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.37 AU - 3.69 AU

Year: 2499 Days

Day: 32.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.76 AU - 4.4 AU

Year: 3105 Days

Day: 28.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,753,195 km

• M1: 40,840 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.9

Radius: 14

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.4 AU - 8.5 AU

Year: 8445 Days

Day: 8.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,753,195 km

• M1: 174,132 km (0.108 R)
• M2: 896,540 km (0.06 R)
• M3: 1,549,385 km (0.066 R)
• M4: 2,018,674 km (0.06 R)
• M5: 3,276,642 km (0.098 R)
• M6: 3,764,481 km (0.114 R)
• M7: 4,381,722 km (0.104 R)
• M8: 5,371,461 km (0.12 R)
• M9: 5,820,404 km (0.104 R)
• M10: 7,554,543 km (0.078 R)
• M11: 7,996,455 km (0.109 R)
• M12: 9,519,212 km (0.09 R)
• M13: 9,988,051 km (0.106 R)
• M14: 10,770,149 km (0.111 R)
• M15: 11,383,201 km (0.104 R)
• M16: 12,401,663 km (0.074 R)
• M17: 15,118,660 km (0.093 R)
• M18: 18,862,048 km (0.104 R)
• M19: 20,674,276 km (0.068 R)
• M20: 23,777,086 km (0.071 R)
• M21: 24,380,713 km (0.089 R)
• M22: 30,687,759 km (0.077 R)
• M23: 31,403,735 km (0.064 R)
• M24: 35,486,261 km (0.042 R)
• M25: 38,239,759 km (0.1 R)
• M26: 39,910,019 km (0.098 R)
• M27: 41,504,284 km (0.045 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 16,702 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit