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system:hx-17

HX-17

Found in the Grand Passageway, 83 LY SE of Yamatai, HX-17 is one of the twenty systems charted by Taisa Hanako while she commanded the YSS Elfin Princess in YE 30.

The system contains a red dwarf star and a single, Mars-like planet.

Overview

The Star

Red Dwarf Star

  • Type M3 V Red Dwarf
  • Radius 2.93 x 105 km (0.42 x sol)
  • Mass 6.94 x 1029 kg (0.35 x sol)
  • Temperature 2900 K
  • Luminosity 1.31 x 1025 W (0.03 x sol)

I

  • Type Terrestrial World
  • Orbital Radius 2.47 x 107 km (0.17 AU)
  • Period 9.94 x 102 hours (0.11 earth years)
  • Physics Standard iron/silicate
  • Hydrosphere 0 % water, 7 % ice
  • Atmosphere Thin corrosive
  • Special Wreckage of a crashed starship

The Planet

HX-17 I

Physics

  • Type: Standard iron/silicate
  • Radius: 6318.65 km (0.99 x earth)
  • Surface Area: 5.02 x 10^8 km2
  • Land Area: 5.07 x 10^8 km2 (3.40 x earth)
  • Mass: 5.73 x 10^24 kg (0.96 x earth)
  • Density: 5.43 g/cm3 (0.98 x earth)
  • Composition: 33.8% iron, 28.6% oxygen, 14.2% silicon, 12.8% magnesium, 6.5% sodium, 4.0% other metals, 0.2% other elements

Gravimetry

  • Gravity: 9.54 m/s2 (0.98 x earth)
  • Escape Velocity: 10.98 km/s

Rotation

  • Period: 26.08 hours
  • Axis Tilt: 17.96 °

Hydrosphere

  • Water: 0 %
  • Ice: 7 %

Atmosphere

  • Type: Thin corrosive
  • Pressure: 12.83 kPa (0.13 x earth)
  • Composition: 73.4% ammonia, 26.6% sulfur dioxide, trace other gases

Climate

  • Type: Standard
  • Min Temp: 243 K (-29 °C)
  • Avg Temp: 295 K (22 °C)
  • Max Temp: 350 K (77 °C)

Special Features

  • Wreckage of a crashed starship
system/hx-17.txt · Last modified: 2018/01/18 11:22 by wes