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.

• 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)

• 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

• Type: Standard iron/silicate
• Radius: 6318.65 km (0.99 x earth)
• Surface Area: 5.02 x 10⁸ km²
• Land Area: 5.07 x 10⁸ km² (3.40 x earth)
• Mass: 5.73 x 10²⁴ 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

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

• Period: 26.08 hours
• Axis Tilt: 17.96 °

• Water: 0 %
• Ice: 7 %

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

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

• Wreckage of a crashed starship

A neutral Independent space station Detritus Station serves as a great stop in this system. It is operated by Kegguar Krathoigot, a Kuvexian retired salvage runner.