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

🇺🇸 N100RC - Embraer Phenom 300 - Rydell Company N100RC - 3.5 mi away @ 20125 ft, heading NW at 339 mph. Spotted for first time! [09:16:39 PM CST] #A0062E #N100RC #E55P #N100RC #ADSB #ADSBbot