388 Charybdis (, prov. designation: or ) is a very large background asteroid, approximately in diameter, that is located the outer region of the asteroid belt. It was discovered by French astronomer Auguste Charlois at the Nice Observatory on 7 March 1894. The carbonaceous C-type asteroid has a rotation period of 9.5 hours. It is probably named after Charybdis, a sea monster in Greek mythology. References External links 000388 Discoveries by Auguste Charlois Named minor planets 000388 000388 18940307