🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.54 AU - 0.72 AU

Year: 187 Days

Day: 42 Hours

Environment

Temp: 117 °C

Axial Tilt: 27.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 43,783,450 km

• M1: 65,524 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.59 AU - 0.73 AU

Year: 201 Days

Day: 35 Hours

Environment

Temp: 147 °C

Axial Tilt: 16.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.91 AU - 1.45 AU

Year: 480 Days

Day: 43.2 Hours

Environment

Temp: 12 °C

Axial Tilt: 1.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.15 AU - 3.01 AU

Year: 1553 Days

Day: 13.1 Hours

Environment

Temp: -97 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808

Radius: 10.5

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.85 AU - 9.59 AU

Year: 8038 Days

Day: 12.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,783,450 km

• M1: 130,599 km (0.079 R)
• M2: 490,382 km (0.034 R)
• M3: 854,353 km (0.06 R)
• M4: 1,217,427 km (0.096 R)
• M5: 1,547,590 km (0.099 R)
• M6: 2,253,243 km (0.065 R)
• M7: 3,161,302 km (0.097 R)
• M8: 4,055,598 km (0.037 R)
• M9: 7,081,066 km (0.111 R)
• M10: 8,172,382 km (0.066 R)
• M11: 9,095,999 km (0.11 R)
• M12: 14,284,652 km (0.115 R)
• M13: 17,042,638 km (0.096 R)
• M14: 17,392,996 km (0.11 R)
• M15: 18,917,399 km (0.085 R)
• M16: 20,766,578 km (0.034 R)
• M17: 21,817,054 km (0.106 R)
• M18: 27,799,473 km (0.096 R)
• M19: 29,777,456 km (0.114 R)
• M20: 30,491,487 km (0.087 R)
• M21: 31,112,468 km (0.055 R)
• M22: 36,157,057 km (0.117 R)
• M23: 38,631,257 km (0.04 R)
• M24: 41,848,359 km (0.101 R)
• M25: 42,358,637 km (0.097 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 15,501 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit