🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.67 AU - 0.69 AU

Year: 209 Days

Day: 42.5 Hours

Environment

Temp: 134 °C

Axial Tilt: 39.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 20,632,267 km

• M1: 116,686 km (0.049 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.72 AU - 1.12 AU

Year: 329 Days

Day: 28.7 Hours

Environment

Temp: 34 °C

Axial Tilt: 36.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.38 AU - 3.86 AU

Year: 2054 Days

Day: 36.3 Hours

Environment

Temp: -110 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.46 AU - 3.88 AU

Year: 2621 Days

Day: 29.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.8

Radius: 14.6

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.53 AU - 5.93 AU

Year: 4459 Days

Day: 12.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,632,267 km

• M1: 181,612 km (0.099 R)
• M2: 722,707 km (0.094 R)
• M3: 1,217,427 km (0.086 R)
• M4: 2,572,934 km (0.037 R)
• M5: 3,107,148 km (0.105 R)
• M6: 3,929,188 km (0.095 R)
• M7: 4,915,337 km (0.049 R)
• M8: 5,981,222 km (0.114 R)
• M9: 6,726,070 km (0.085 R)
• M10: 7,594,336 km (0.082 R)
• M11: 8,368,355 km (0.088 R)
• M12: 9,701,123 km (0.048 R)
• M13: 11,917,266 km (0.118 R)
• M14: 16,210,425 km (0.1 R)
• M15: 16,790,865 km (0.03 R)
• M16: 18,331,573 km (0.101 R)
• M17: 18,904,085 km (0.107 R)
• M18: 19,606,895 km (0.112 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: 521 - 11,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit