Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇱🇺 LX-JCV - Boeing 747 4EVERF - Cargolux Airlines International CLX6684/CV6684 (LUX-NLU-GDL) - 17.7 mi away @ 35275 ft, heading SSW at 591 mph. Spotted for first time! [08:14:01 PM CDT] #4D0119 #LX_JCV #B744 #CARGOLUX #CLX6684 #CV6684 #ADSB #ADSBbot