🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.83 AU - 1.23 AU

Year: 402 Days

Day: 36.2 Hours

Environment

Temp: -11 °C

Axial Tilt: 39.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1 AU - 1.16 AU

Year: 432 Days

Day: 21.9 Hours

Environment

Temp: 1 °C

Axial Tilt: 39.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 24,594,794 km

• M1: 97,987 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.48 AU - 1.98 AU

Year: 876 Days

Day: 48 Hours

Environment

Temp: -76 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 24,594,794 km

• M1: 114,592 km (0.111 R)
• M2: 702,661 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.98 AU - 3.34 AU

Year: 2163 Days

Day: 27.6 Hours

Environment

Temp: -116 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.2

Radius: 12.1

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.31 AU - 4.91 AU

Year: 3208 Days

Day: 10.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 24,594,794 km

• M1: 150,495 km (0.095 R)
• M2: 670,049 km (0.041 R)
• M3: 1,319,752 km (0.111 R)
• M4: 1,847,534 km (0.056 R)
• M5: 2,348,387 km (0.085 R)
• M6: 2,853,879 km (0.067 R)
• M7: 3,999,649 km (0.096 R)
• M8: 4,994,175 km (0.072 R)
• M9: 5,563,545 km (0.072 R)
• M10: 6,061,257 km (0.043 R)
• M11: 7,469,571 km (0.09 R)
• M12: 8,111,047 km (0.119 R)
• M13: 8,825,676 km (0.055 R)
• M14: 9,738,073 km (0.063 R)
• M15: 10,881,001 km (0.114 R)
• M16: 11,573,041 km (0.118 R)
• M17: 12,386,404 km (0.109 R)
• M18: 12,807,223 km (0.079 R)
• M19: 15,162,343 km (0.099 R)
• M20: 16,865,514 km (0.068 R)
• M21: 17,441,167 km (0.111 R)
• M22: 17,911,054 km (0.083 R)
• M23: 19,496,941 km (0.08 R)
• M24: 20,388,843 km (0.063 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 15,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit