The "unusual event" that Ed Cannon mentioned - observed on Sept 24, 04:16:16 UTC by an Canadian network - could be under some special circumstances the decay of 1989 -89BL (23065) COBE Debris on a southbound pass. The last ELSET was a few days old. SSC gave for the decay Sept 24, 1998. The object itself was small and not heavier then 1 or 2 kg. An extrapolation with MPM and other decay programs is difficult. I worked with the variation of some parameters and there is a small possibility that the unusual "fireball" was the reentry of the COBE debris. Look also the original canadian source at; http://astrowww.phys.uvic.ca/~balam/UV980924.hmtl Harro Harro.Zimmer@t-online.de Berlin, Germany