🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.59 AU - 0.73 AU

Year: 194 Days

Day: 25.1 Hours

Environment

Temp: 149 °C

Axial Tilt: 46.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.69 AU - 1.03 AU

Year: 288 Days

Day: 25.3 Hours

Environment

Temp: 162 °C

Axial Tilt: 10.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.76 AU - 1.2 AU

Year: 351 Days

Day: 12.6 Hours

Environment

Temp: 135 °C

Axial Tilt: 20.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,149,721 km

• M1: 55,800 km (0.045 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.34 AU - 1.38 AU

Year: 574 Days

Day: 14.5 Hours

Environment

Temp: -2 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3 AU - 4 AU

Year: 2368 Days

Day: 17.1 Hours

Environment

Temp: -110 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.6

Radius: 10.8

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.29 AU - 8.85 AU

Year: 8291 Days

Day: 12.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,149,721 km

• M1: 134,339 km (0.052 R)
• M2: 700,716 km (0.107 R)
• M3: 1,338,153 km (0.117 R)
• M4: 2,094,520 km (0.049 R)
• M5: 2,704,131 km (0.051 R)
• M6: 3,762,386 km (0.088 R)
• M7: 5,386,271 km (0.094 R)
• M8: 6,354,170 km (0.083 R)
• M9: 6,824,056 km (0.095 R)
• M10: 8,763,443 km (0.095 R)
• M11: 9,531,030 km (0.078 R)
• M12: 10,293,829 km (0.058 R)
• M13: 11,887,196 km (0.104 R)
• M14: 12,884,565 km (0.063 R)
• M15: 14,117,551 km (0.111 R)
• M16: 14,731,650 km (0.072 R)
• M17: 15,235,646 km (0.083 R)
• M18: 20,149,636 km (0.076 R)
• M19: 21,970,542 km (0.044 R)
• M20: 22,628,772 km (0.083 R)
• M21: 26,303,046 km (0.097 R)
• M22: 28,864,311 km (0.03 R)
• M23: 30,661,580 km (0.106 R)
• M24: 32,532,151 km (0.102 R)
• M25: 38,599,392 km (0.088 R)
• M26: 41,149,437 km (0.109 R)

Kuiper Belt

Range: 30.3 - 46.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 16,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit