🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.41 AU - 0.67 AU

Year: 181 Days

Day: 33.8 Hours

Environment

Temp: 15 °C

Axial Tilt: 9.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 0.81 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.04 AU - 1.1 AU

Year: 505 Days

Day: 37.7 Hours

Environment

Temp: -77 °C

Axial Tilt: 67.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.91 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.3

Radius: 11.2

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.8 AU - 10.7 AU

Year: 11817 Days

Day: 10.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,913,267 km

• M1: 557,850 km (0.113 R)
• M2: 944,711 km (0.06 R)
• M3: 6,263,663 km (0.107 R)
• M4: 7,667,639 km (0.108 R)
• M5: 13,217,720 km (0.106 R)
• M6: 14,378,899 km (0.078 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.7

Radius: 4.6

Gravity: 24.56 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 9.75 AU - 14.93 AU

Year: 19791 Days

Day: 15.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,913,267 km

• M1: 57,296 km (0.113 R)
• M2: 294,259 km (0.077 R)
• M3: 985,401 km (0.043 R)
• M4: 1,133,054 km (0.055 R)
• M5: 2,108,432 km (0.091 R)
• M6: 2,959,046 km (0.088 R)
• M7: 3,296,539 km (0.08 R)
• M8: 6,207,115 km (0.058 R)
• M9: 6,980,386 km (0.049 R)
• M10: 11,326,653 km (0.111 R)
• M11: 13,984,110 km (0.039 R)
• M12: 17,771,030 km (0.054 R)
• M13: 19,141,945 km (0.061 R)
• M14: 23,472,953 km (0.104 R)
• M15: 24,390,437 km (0.091 R)
• M16: 28,758,695 km (0.069 R)
• M17: 31,492,297 km (0.092 R)
• M18: 46,343,775 km (0.093 R)
• M19: 59,653,797 km (0.089 R)
• M20: 62,319,032 km (0.085 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 15,863 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit