HX-11 is one of the twenty systems charted by Taisa Hanako while she commanded the YSS Elfin Princess in YE 30.

• Type M9 V Red Dwarf
• Radius 2.82 x 10^5 km (0.40 x sol)
• Mass 6.19 x 10^29 kg (0.31 x sol)
• Temperature 2100 K
• Luminosity 1.27 x 10^25 W (0.03 x sol)

• Type Rock Planet
• Orbital Radius 1.96 x 10^7 km (0.13 AU)
• Period 7.42 x 10^2 hours (0.08 earth years)
• Gravity 1.87 m/s2 (0.19 x earth)
• Special Heavy volcanism

• Type Terrestrial World
• Orbital Radius 3.40 x 10^7 km (0.23 AU)
• Period 1.70 x 10^3 hours (0.19 earth years)
• Physics Standard ocean
• Hydrosphere 91 % water, 70 % ice
• Atmosphere Thin breathable
• Biosphere Prokaryotic microbes
• Special Electromagnetic storms, ruins of an ancient civilization

See: HX-11 II