🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.6 AU - 0.8 AU

Year: 209 Days

Day: 12.5 Hours

Environment

Temp: 142 °C

Axial Tilt: 9.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.61 AU - 0.93 AU

Year: 241 Days

Day: 27.9 Hours

Environment

Temp: 130 °C

Axial Tilt: 47.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.67 AU - 0.99 AU

Year: 270 Days

Day: 42.1 Hours

Environment

Temp: 101 °C

Axial Tilt: 14 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.43 AU - 2.65 AU

Year: 1443 Days

Day: 25.8 Hours

Environment

Temp: -76 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968

Radius: 11.9

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.22 AU - 6.9 AU

Year: 5317 Days

Day: 6.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,304,609 km

• M1: 148,551 km (0.113 R)
• M2: 548,426 km (0.094 R)
• M3: 944,860 km (0.095 R)
• M4: 3,002,130 km (0.06 R)
• M5: 4,516,210 km (0.118 R)
• M6: 5,352,462 km (0.1 R)
• M7: 6,388,427 km (0.116 R)
• M8: 7,150,329 km (0.068 R)
• M9: 8,285,927 km (0.103 R)
• M10: 9,065,033 km (0.106 R)
• M11: 9,494,229 km (0.118 R)
• M12: 11,349,242 km (0.076 R)
• M13: 12,362,469 km (0.087 R)
• M14: 13,106,718 km (0.105 R)
• M15: 15,887,443 km (0.096 R)
• M16: 18,900,943 km (0.082 R)
• M17: 19,674,364 km (0.069 R)
• M18: 24,352,140 km (0.114 R)
• M19: 25,437,024 km (0.086 R)
• M20: 26,206,705 km (0.036 R)
• M21: 26,816,017 km (0.061 R)
• M22: 27,524,063 km (0.075 R)
• M23: 28,426,438 km (0.099 R)
• M24: 32,833,591 km (0.078 R)

Kuiper Belt

Range: 30.8 - 54.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 17,281 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit