This is the object we have been calling 99099A. I am now calling it 99028A, because I believe it is most likely the payload launched on the Titan IV that lifted off from VAFB on 22 May 99. I reported the correlation between its orbit and the launch last month: http://www2.satellite.eu.org/seesat/Jun-1999/0366.html I have now updated 99028A's elements, using nine observations made between 16 Jun and 11 Jul, by Tony Beresford, James Nix, Jay Respler and Peter Wakelin. USA 144 15.0 4.0 0.0 3.4 v 1 25744U 99028 A 99192.50896933 .00000000 00000-0 00000-0 0 06 2 25744 63.4767 36.5365 0230336 291.6345 297.2785 9.69752126 09 The RMS residual difference between the elements and the observations is 0.03 deg. Please note that the mean anomaly corresponds to one of the observations, instead of the ascending node. Until now, we have been calling another piece from the 99028 launch the "A" object, as shown in this element set produced by Mike McCants: 1 25744U 99028 A 99159.07478761 .00062000 00000-0 71960-3 0 00 2 25744 63.4100 42.4565 0010000 349.9893 10.0106 15.61344808 08 I propose that we rename this object to 99028C, since it is most likely one of the 9 pieces of debris catalogued from this launch, based on its apparent small size and slow tumble. Its orbit is now visible at high north latitudes. For search purposes, I recommend at least doubling the rate of decay. Its standard magnitude is about 6.9 (1000 km, 50 percent illuminated). Ted Molczan