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

🇺🇸 N644CK - Gates Learjet 35 A - AirNet II USC270 - 3.3 mi away @ 1700 ft, heading SE at 217 mph. Spotted 11x before. [02:10:05 AM CST] #A87453 #N644CK #LJ35 #STAR_CHECK #USC270 #ADSB #ADSBbot