After over a year without any observations of the fragment of asteroid 2015 PDC, the object has finally emerged from behind the Sun, and the orbit has quickly become much more accurate
Based on these most recent tracking observations of the fragment of 2015 PDC, IAWN has announced that the smaller fragment will impact the Earth on September 3, 2022 at about 03:50 UTC. The predicted location of impact is indicated by the accompanying diagram.
The asteroid will be observable for about 6 more months, during which time the impact footprint will dramatically shrink in size. The impact location will be known to within about 100 km - 4 months before impact - and within about 50 km 1 month before impact, when the asteroid passes into the daytime sky once again. Radar observations will be possible from Goldstone within the last week before impact, and those measurements should constrain the impact location to within 15 km.