🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.39 AU - 0.63 AU

Year: 232 Days

Day: 16.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.2

Radius: 13.9

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.62 AU - 0.96 AU

Year: 446 Days

Day: 7.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,403,627 km

• M1: 172,935 km (0.113 R)
• M2: 631,901 km (0.098 R)
• M3: 1,449,753 km (0.046 R)
• M4: 2,333,278 km (0.112 R)
• M5: 2,926,134 km (0.095 R)
• M6: 4,058,291 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.8

Radius: 8.4

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.72 AU - 0.88 AU

Year: 455 Days

Day: 7.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 43,403,627 km

• M1: 104,569 km (0.069 R)
• M2: 895,792 km (0.119 R)
• M3: 1,186,012 km (0.106 R)

Asteroid Belt

Center: 2.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954

Radius: 13.8

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.8 AU - 5.38 AU

Year: 7301 Days

Day: 5.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,403,627 km

• M1: 171,589 km (0.113 R)
• M2: 607,367 km (0.051 R)
• M3: 1,090,419 km (0.099 R)
• M4: 3,043,569 km (0.106 R)
• M5: 3,537,391 km (0.113 R)
• M6: 4,163,907 km (0.033 R)
• M7: 4,863,576 km (0.056 R)
• M8: 6,008,150 km (0.039 R)
• M9: 7,169,927 km (0.116 R)
• M10: 9,984,461 km (0.064 R)
• M11: 12,264,781 km (0.084 R)
• M12: 13,586,030 km (0.12 R)
• M13: 15,191,664 km (0.118 R)
• M14: 20,373,435 km (0.115 R)
• M15: 23,146,830 km (0.05 R)
• M16: 24,980,600 km (0.09 R)
• M17: 26,909,366 km (0.065 R)
• M18: 28,346,553 km (0.077 R)
• M19: 29,633,094 km (0.093 R)
• M20: 31,687,821 km (0.099 R)
• M21: 33,616,736 km (0.065 R)
• M22: 34,833,565 km (0.114 R)
• M23: 36,309,049 km (0.047 R)
• M24: 40,736,847 km (0.058 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: 292 - 12,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit