🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.67 AU - 0.83 AU

Year: 229 Days

Day: 12.5 Hours

Environment

Temp: 134 °C

Axial Tilt: 14.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.15 AU - 1.47 AU

Year: 529 Days

Day: 12.5 Hours

Environment

Temp: -3 °C

Axial Tilt: 34.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.92 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.02 AU - 3.02 AU

Year: 1413 Days

Day: 28.3 Hours

Environment

Temp: -74 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.47 AU - 6.05 AU

Year: 4260 Days

Day: 41.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,018,167 km

• M1: 354,697 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.2

Radius: 5.5

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 12.21 AU - 17.07 AU

Year: 19779 Days

Day: 21.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,018,167 km

• M1: 72,854 km (0.078 R)
• M2: 337,194 km (0.064 R)
• M3: 1,127,370 km (0.051 R)
• M4: 2,912,072 km (0.055 R)
• M5: 3,882,065 km (0.107 R)
• M6: 4,846,971 km (0.069 R)
• M7: 12,971,931 km (0.087 R)
• M8: 13,970,945 km (0.1 R)
• M9: 16,347,457 km (0.083 R)
• M10: 16,652,637 km (0.065 R)
• M11: 22,347,080 km (0.094 R)
• M12: 29,552,012 km (0.062 R)
• M13: 31,274,632 km (0.088 R)
• M14: 31,745,117 km (0.026 R)
• M15: 37,104,311 km (0.075 R)
• M16: 42,747,143 km (0.076 R)
• M17: 50,854,001 km (0.098 R)
• M18: 51,504,453 km (0.116 R)
• M19: 55,867,774 km (0.08 R)
• M20: 58,850,157 km (0.084 R)

Kuiper Belt

Range: 31.1 - 50.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 17,725 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit