🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.21 AU - 1.45 AU

Year: 537 Days

Day: 32.5 Hours

Environment

Temp: 17 °C

Axial Tilt: 2.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.13 AU - 1.67 AU

Year: 580 Days

Day: 20.5 Hours

Environment

Temp: -9 °C

Axial Tilt: 36.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.93 AU - 2.97 AU

Year: 1342 Days

Day: 29.8 Hours

Environment

Temp: -68 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,525,172 km

• M1: 187,596 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.36 AU - 5.38 AU

Year: 4353 Days

Day: 17.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.1

Radius: 10.8

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.88 AU - 6 AU

Year: 5065 Days

Day: 14.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,525,172 km

• M1: 135,984 km (0.084 R)
• M2: 491,878 km (0.055 R)
• M3: 904,319 km (0.084 R)
• M4: 1,517,072 km (0.098 R)
• M5: 2,145,233 km (0.091 R)
• M6: 2,520,275 km (0.101 R)
• M7: 2,976,549 km (0.08 R)
• M8: 3,720,649 km (0.112 R)
• M9: 4,839,940 km (0.112 R)
• M10: 6,325,297 km (0.05 R)
• M11: 7,138,960 km (0.088 R)
• M12: 9,705,760 km (0.083 R)
• M13: 11,196,054 km (0.078 R)
• M14: 12,238,303 km (0.078 R)
• M15: 14,570,234 km (0.116 R)
• M16: 16,044,820 km (0.074 R)
• M17: 16,818,391 km (0.097 R)
• M18: 17,368,462 km (0.084 R)
• M19: 20,645,105 km (0.083 R)
• M20: 21,275,809 km (0.046 R)
• M21: 25,894,494 km (0.116 R)

Kuiper Belt

Range: 31.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 12,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit