Since my previous posting, I notice that my earlier long-lost message
has hit the list. I also note that SpaceCom has posted its final notice
for #25470 = Iridium 79. The final analyses for this are then...
Source Prediction made Predicted decay at Latitude Longitude
UTC UTC deg deg
SpaceCom Nov 29 19:57 Nov 29 09:36 +-38m 27.5 N 80.3 E
SatEvo Nov 29 19:35 Nov 29 09:23 -10+25m 0.0 79.8 E
As my updated Decay watch page states...
The final elset is very close indeed to the prediction I posted at 07:30
UTC, based on elsets to 05:01 - it showed the object running only 0.3
sec late. I estimate that this decayed near the northbound equator
crossing at the end of this orbit just before passing over Colombo, Sri
Lanka. It might have survived a little longer, but I doubt whether it
could have still been in orbit to sweep southwards across the USA from
western Montana at 09:55 UTC to Phoenix, Arizona, at 09:58. SpaceCom's
final notice shows it decaying northbound over N India, only a little
beyond my decay estimate.
Alan
--
Alan Pickup / COSPAR 2707: 55d53m48.7s N 3d11m51.2s W 156m asl
Edinburgh / SatEvo & elsets: http://www.wingar.demon.co.uk/satevo/
Scotland / Decay Watch: http://www.wingar.demon.co.uk/satevo/dkwatch/
*
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This archive was generated by hypermail 2b29 : Wed Nov 29 2000 - 15:20:27 PST