🌌 Stone's Star System Generator

Asteroid Belt

Center: 1 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.58 AU - 2.42 AU

Year: 994 Days

Day: 46.3 Hours

Environment

Temp: -63 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.49 AU - 3.73 AU

Year: 1928 Days

Day: 39.4 Hours

Environment

Temp: -85 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,330,902 km

• M1: 887,714 km (0.103 R)
• M2: 2,180,987 km (0.042 R)

Asteroid Belt

Center: 7.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.8

Radius: 9.5

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 8.34 AU - 13.56 AU

Year: 12735 Days

Day: 12.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,330,902 km

• M1: 245,490 km (0.084 R)
• M2: 1,268,889 km (0.032 R)
• M3: 4,021,041 km (0.098 R)
• M4: 5,851,072 km (0.091 R)
• M5: 6,879,108 km (0.045 R)
• M6: 7,189,823 km (0.098 R)
• M7: 7,509,963 km (0.118 R)
• M8: 15,606,199 km (0.059 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.1

Radius: 6.6

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 13.28 AU - 17.36 AU

Year: 21075 Days

Day: 24.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,330,902 km

• M1: 82,129 km (0.11 R)
• M2: 624,422 km (0.063 R)
• M3: 1,333,366 km (0.062 R)
• M4: 1,633,609 km (0.119 R)
• M5: 3,287,264 km (0.089 R)
• M6: 5,351,565 km (0.071 R)
• M7: 6,077,114 km (0.097 R)
• M8: 6,557,922 km (0.111 R)
• M9: 7,184,139 km (0.095 R)
• M10: 7,595,383 km (0.065 R)
• M11: 8,241,496 km (0.054 R)
• M12: 9,890,962 km (0.066 R)
• M13: 11,360,014 km (0.071 R)
• M14: 17,132,846 km (0.092 R)
• M15: 18,544,900 km (0.101 R)
• M16: 24,878,275 km (0.072 R)
• M17: 28,171,673 km (0.109 R)
• M18: 34,904,923 km (0.118 R)
• M19: 39,016,621 km (0.053 R)
• M20: 41,711,178 km (0.077 R)
• M21: 43,036,914 km (0.076 R)
• M22: 48,186,372 km (0.086 R)

Kuiper Belt

Range: 31.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 10,589 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit