Thursday 22 September 2011

UARS update, Sept 22 am

UARS update 22 Sept 08:45 UTC

Re-entry of UARS is now projected on the 23rd. Latest orbit plus current solar flux and Alan Pickup's fine SatEvo software suggest a nominal time near 19:00 UTC on the 23rd, but at this time that still has an uncertainty of several hours (I suggest up to at least 6 hours).

Areas with the best chances to see the reentry are currently for a swat that includes South-America, Europe, Russia, central Asia, southeast Asia and Australia, which all have passes in the hours around the nominal predicted time. It is increasingly unlikely that the USA will get to see anything of it.

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