Pirx (crater)

Pirx is a 90 km (55.9 miles) wide impact crater on Pluto's natural satellite Charon, discovered in 2015 by the American New Horizons probe. It is located in at 55.2°N, 256.18°W. The crater is located near Charon's north pole.

Crater Pirx is named after Pilot Pirx, the main character in a series of short stories by Stanislaw Lem. The name was approved by the International Astronomical Union in 2018.