🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.43 AU - 0.67 AU

Year: 182 Days

Day: 20.8 Hours

Environment

Temp: 24 °C

Axial Tilt: 48.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.47 AU - 0.65 AU

Year: 187 Days

Day: 39.8 Hours

Environment

Temp: 9 °C

Axial Tilt: 10.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.59 AU - 0.65 AU

Year: 218 Days

Day: 46.5 Hours

Environment

Temp: -4 °C

Axial Tilt: 26.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 23,030,680 km

• M1: 25,880 km (0.117 R)
• M2: 47,871 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.56 AU - 0.92 AU

Year: 284 Days

Day: 47.7 Hours

Environment

Temp: -43 °C

Axial Tilt: 162.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.09 AU - 1.59 AU

Year: 692 Days

Day: 15.9 Hours

Environment

Temp: -93 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,030,680 km

• M1: 298,149 km (0.118 R)

Asteroid Belt

Center: 2.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.6

Radius: 14.6

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.95 AU - 4.49 AU

Year: 3202 Days

Day: 14.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 23,030,680 km

• M1: 185,651 km (0.111 R)
• M2: 671,096 km (0.105 R)
• M3: 1,264,401 km (0.062 R)
• M4: 1,793,678 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.5

Radius: 12.1

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.82 AU - 4.02 AU

Year: 3463 Days

Day: 10.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 23,030,680 km

• M1: 150,495 km (0.081 R)
• M2: 529,876 km (0.083 R)
• M3: 980,165 km (0.072 R)
• M4: 1,376,450 km (0.11 R)
• M5: 1,833,621 km (0.109 R)
• M6: 2,510,851 km (0.084 R)
• M7: 3,010,508 km (0.029 R)
• M8: 3,576,137 km (0.096 R)
• M9: 4,040,788 km (0.1 R)
• M10: 4,778,306 km (0.066 R)
• M11: 5,267,640 km (0.088 R)
• M12: 6,758,383 km (0.116 R)
• M13: 7,156,014 km (0.117 R)
• M14: 8,374,190 km (0.119 R)
• M15: 10,718,687 km (0.098 R)
• M16: 11,345,802 km (0.107 R)
• M17: 11,997,450 km (0.08 R)
• M18: 13,566,881 km (0.08 R)
• M19: 14,004,305 km (0.11 R)
• M20: 14,551,834 km (0.12 R)
• M21: 18,025,197 km (0.113 R)
• M22: 19,215,099 km (0.073 R)
• M23: 20,711,376 km (0.086 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: 349 - 18,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit