🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.43 AU - 0.67 AU

Year: 156 Days

Day: 38.2 Hours

Environment

Temp: 200 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.47 AU - 0.63 AU

Year: 156 Days

Day: 38.3 Hours

Environment

Temp: 145 °C

Axial Tilt: 26.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,975,732 km

• M1: 316,699 km (0.039 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.11 AU - 1.13 AU

Year: 454 Days

Day: 14.9 Hours

Environment

Temp: -4 °C

Axial Tilt: 33 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.41 AU - 4.17 AU

Year: 2825 Days

Day: 15.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.2

Radius: 12.7

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.43 AU - 4.67 AU

Year: 3716 Days

Day: 10.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,975,732 km

• M1: 158,275 km (0.112 R)
• M2: 604,824 km (0.104 R)
• M3: 1,310,178 km (0.083 R)
• M4: 1,957,488 km (0.046 R)
• M5: 3,194,214 km (0.059 R)
• M6: 3,753,710 km (0.093 R)
• M7: 4,310,513 km (0.034 R)
• M8: 4,824,083 km (0.111 R)
• M9: 6,495,689 km (0.118 R)
• M10: 7,015,093 km (0.097 R)
• M11: 7,694,866 km (0.105 R)
• M12: 8,925,308 km (0.079 R)
• M13: 9,607,325 km (0.077 R)
• M14: 12,687,994 km (0.105 R)
• M15: 13,698,378 km (0.102 R)
• M16: 14,503,514 km (0.109 R)
• M17: 15,180,743 km (0.101 R)
• M18: 15,607,845 km (0.042 R)
• M19: 16,098,077 km (0.094 R)
• M20: 19,072,532 km (0.119 R)
• M21: 23,230,305 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.6

Radius: 10.3

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.81 AU - 9.35 AU

Year: 8794 Days

Day: 10.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,975,732 km

• M1: 128,056 km (0.115 R)
• M2: 576,401 km (0.046 R)
• M3: 2,416,305 km (0.111 R)
• M4: 3,375,078 km (0.076 R)
• M5: 5,866,032 km (0.088 R)
• M6: 8,166,997 km (0.031 R)
• M7: 10,915,409 km (0.067 R)
• M8: 17,213,778 km (0.12 R)
• M9: 20,593,792 km (0.087 R)
• M10: 21,349,711 km (0.1 R)
• M11: 24,813,200 km (0.064 R)
• M12: 25,238,657 km (0.044 R)
• M13: 29,671,242 km (0.117 R)
• M14: 30,150,852 km (0.091 R)
• M15: 31,920,296 km (0.095 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 15,957 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit