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system:hx-4

HX-4

HX-4 is one of the twenty systems charted by Taisa Hanako while she commanded the YSS Elfin Princess in YE 30.

⚠ There is a small, unidentified military spaceport here.

The Star System

Star Data

  • Type M5 V Red Dwarf
  • Radius 2.30 x 10^5 km (0.33 x sol)
  • Mass 3.38 x 10^29 kg (0.17 x sol)
  • Temperature 2600 K
  • Luminosity 1.35 x 10^25 W (0.04 x sol)

I

  • Type Rock Planet
  • Orbital Radius 1.76 x 10^7 km (0.12 AU)
  • Period 8.54 x 10^2 hours (0.10 earth years)
  • Gravity 2.63 m/s2 (0.27 x earth)

HX-4 II

  • Type Terrestrial World
  • Orbital Radius 3.32 x 10^7 km (0.22 AU)
  • Period 2.21 x 10^3 hours (0.25 earth years)
  • Physics Standard iron/silicate
  • Hydrosphere 50 % water, 43 % ice
  • Atmosphere Thin toxic
  • Biosphere Prokaryotic microbes
  • Civilization Military Spaceport
  • Special Planetary rings

III

  • Type Asteroid Belt
  • Orbital Radius 4.41 x 10^7 km (0.29 AU)
  • Period 3.39 x 103 hours (0.39 earth years)

IV

  • Type Rock Planet
  • Orbital Radius 7.53 x 10^7 km (0.50 AU)
  • Period 7.57 x 10^3 hours (0.87 earth years)
  • Gravity 10.72 m/s2 (1.10 x earth)
  • Special Heavy radiation, large moon

V

  • Type Asteroid Belt
  • Orbital Radius 1.26 x 10^8 km (0.84 AU)
  • Period 1.64 x 10^4 hours (1.88 earth years)

VI

  • Type Jovian Planet
  • Orbital Radius 2.54 x 10^8 km (1.70 AU)
  • Period 4.68 x 10^4 hours (5.36 earth years)
  • Gravity 5.46 m/s2 (0.56 x earth)
  • Special Planetary rings, 47 small moons

The Planet of Interest

HX-4 II

Physics

  • Type Standard iron/silicate
  • Radius 6990.56 km (1.10 x earth)
  • Surface Area 6.14 x 108 km2
  • Land Area 3.13 x 10^8 km2 (2.10 x earth)
  • Mass 8.24 x 10^24 kg (1.38 x earth)
  • Density 5.76 g/cm3 (1.04 x earth)
  • Composition 31.2% iron, 25.7% oxygen, 16.8% silicon, 16.2% nickel, 10.2% other metals, trace other elements

Gravimetry

  • Gravity 11.21 m/s2 (1.15 x earth)
  • Escape Velocity 12.52 km/s
  • Rotation
  • Period 28.29 hours
  • Axis Tilt 12.10 °

Hydrosphere

  • Water 50 %
  • Ice 43 %

Atmosphere

  • Type Thin toxic
  • Pressure 51.20 kPa (0.51 x earth)
  • Composition 82.6% carbon dioxide, 17.4% oxygen, trace other gases

Climate

  • Type Cold
  • Min Temp 148 K (-125 °C)
  • Avg Temp 280 K (6 °C)
  • Max Temp 356 K (82 °C)

Biosphere

  • Chemistry Carbon
  • Lifeforms Prokaryotic microbes

Civilization

  • Type Military Spaceport
  • Population 136
  • Tech Level Interplanetary (nuclear fusion, space colonies, nanotechnology)
  • Special Features Planetary rings
system/hx-4.txt · Last modified: 2018/01/18 11:22 by wes