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

🇺🇸 N770TD - Bombardier Learjet 40 XR - Northern Jet Management Inc NJM770, Chicago Executive (PWK) to Dallas Love Field (DAL) - 5.3 mi away @ 43975 ft, heading SW at 477 mph. Spotted for first time! [02:50:23 PM CST] #AA6AB4 #N770TD #LJ40 #NORTHERN_JET #NJM770 #ADSB #ADSBbot