So they fixed up the designator for the Cygnus mass simulator, but not for the Dove 1 nanosatellite, which is 39144 (they still have that catalog number mistakenly assigned to the Phonesat "Alexander"). I did already notify JSpOC about this a few weeks ago... I wonder if it will ever be corrected. I wonder how many other historical objects are misidentified. I guess now that everything has reentered it doesn't make too much difference.