🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.41 AU - 0.67 AU

Year: 149 Days

Day: 37.6 Hours

Environment

Temp: 227 °C

Axial Tilt: 34.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.17 AU - 1.31 AU

Year: 517 Days

Day: 29.3 Hours

Environment

Temp: -21 °C

Axial Tilt: 162.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.51 AU - 2.81 AU

Year: 1626 Days

Day: 38.2 Hours

Environment

Temp: -104 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.22 AU - 3.58 AU

Year: 2349 Days

Day: 38.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 48.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.5

Radius: 13.9

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.85 AU - 4.99 AU

Year: 4090 Days

Day: 7.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,203,519 km

• M1: 173,234 km (0.072 R)
• M2: 1,268,440 km (0.081 R)
• M3: 1,738,926 km (0.082 R)
• M4: 2,488,710 km (0.104 R)
• M5: 3,197,206 km (0.092 R)
• M6: 3,725,137 km (0.083 R)
• M7: 5,737,527 km (0.059 R)
• M8: 10,603,198 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.2

Radius: 10.3

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 9.25 AU - 13.17 AU

Year: 14065 Days

Day: 9.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,203,519 km

• M1: 128,056 km (0.04 R)
• M2: 698,622 km (0.078 R)
• M3: 1,839,455 km (0.103 R)
• M4: 3,328,553 km (0.056 R)
• M5: 5,903,880 km (0.072 R)
• M6: 6,808,947 km (0.107 R)
• M7: 7,203,287 km (0.089 R)
• M8: 9,148,658 km (0.115 R)
• M9: 12,186,542 km (0.086 R)
• M10: 14,865,540 km (0.099 R)
• M11: 20,904,956 km (0.071 R)
• M12: 29,521,644 km (0.089 R)
• M13: 32,345,453 km (0.095 R)
• M14: 35,772,292 km (0.106 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 10,883 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit