Aliendish@aol.com wrote: > > I just observed fltsatcom 1 RK, NORAD # 12908 > it started at a mag 4. then went to a 0 about, or a 1, then back to a very dim > (beyond the limits of my eyes) then back to a 1 then dim then a 1 again. > Could this be tumbling? Yes - it was listed was flashing with an approx. 18s period in 1996, I haven't checked if there are any more recent observations of it. This is an Atlas Centaur rocket (or in this case a fragment) which are generally bright flashers. For further details see the Centaur page on VSOHP; http://www.satellite.eu.org/centaur.html Best wishes & clear skies, Jason P Hatton ETS Strasbourg 67065 Strasbourg Cedex France 48.538N / 7.731E / 143m