(meteorobs) Best estimate for UARS initial reentry

Charles R. Stevenson lebensraum at webtv.net
Fri Sep 23 21:19:21 EDT 2011


All:  Heavens-Above is showing the current position of the UARS on the first page instead of the usual ISS position.
Wayne:   Thanks for the clarification.  Its hard for me to trace with my eye the orbit back from the impact location on the Aerospace site.  
I remember a large satellite that received lots of publicity.  Not much was said about it passing over New Jersey as it left the United States just before splashing down in the Indian Ocean.  I was aware of it as I had a string physically wrapped around a globe where I best guessed the orbit to be.  Charles


-----Original Message-----
From: Wayne Hally
Sent: Friday, September 23, 2011 5:06 PM
To: 'Meteor science and meteor observing'
Subject: Re: (meteorobs) Best estimate for UARS initial reentry

The map has just been updated as of 2048 UTC

http://reentrynews.aero.org/1991063b.html

Center time is now 0404 UTC Sept 24 (0004 EDT) +/- 3 hrs. (2 orbits), and
dunks it in the equatorial Pacific to the west of the US mainland.

The orbit 3 hours earlier passes roughly from Louisiana through Ohio.

The previous orbit ( about 87 minutes) passes from roughly S Cal through
Minnesota,
and the orbit just after (15 minutes) the predicted reentry time brushes the
Northwestern most corner of the US and passes through Canada (can you say
Skylab?) 


Wayne
--------------


Mr. Hally:  Won't it be passing over the southeast United States less than
half an orbit before the predicted ground impact?  Regards, Charles




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