Without knowing the dynamics of the breakup there is nothing to indicate why there might be concentrations of fragments, if indeed there were - clumps of hydrazine re-entering, a batch of larger fragments, observer bias, etc, etc. With fragments significantly inside the atmosphere aerodynamics come into play - remember the multiple, diverging trails in the Mir re-entry photos? Bob Christy > -----Original Message----- > From: John Locker [mailto:john@satcom.freeserve.co.uk] > Sent: Thursday, February 21, 2008 8:32 AM > To: SeeSat-L@satobs.org > Subject: Re: CNN reports more than 80 fragments from 193 > > The Canadian sighting just fifteen minutes after the impact > seems to suggest that there may have been two > events...perhaps the tank blew shortly after the hit. > What is also interesting is that the reports indicate a fan > like display which could indicate that the fragments have > spread far and wide ! > > The "remains" have just passed over the USA NW to SE > > John > > > > > ----- Original Message ----- > From: "Robert Holdsworth" <robbonz1@xtra.co.nz> > To: "Seesat List" <SeeSat-L@satobs.org> > Sent: Thursday, February 21, 2008 7:43 AM > Subject: Re: CNN reports more than 80 fragments from 193 > > > > In the normal course of events using the latest elset we > would have had a > > pass at around 0643 Friday local (1743 on 21st UTC) - close > to sunrise - > > and an overhead daylight pass at around 1430 local (0130 UTC.) > > There also would have been an overhead pass on Saturday > morning our time. > > > > So if there is any possibility of remaining fragments (and > I would be > > interested in any further discussion on that point) it may > pay to be on > > the alert in this country, though owing to the likely > brightness of the > > sky observation may not be possible unless something > actually comes down > > here. > > > > > > Robert > > Wainuiomata > > New Zealand > > 174.948E > > 41.261S > > > > > > > > > > > > > > > > ----- Original Message ----- > > From: "John Locker" <john@satcom.freeserve.co.uk> > > To: <SeeSat-L@satobs.org> > > Cc: <fpspace@friends-partners.org> > > Sent: Thursday, February 21, 2008 6:09 PM > > Subject: CNN reports more than 80 fragments from 193 > > > > > >> CNN is reporting that 193 has broken up into more than 80 > fragments...not > >> quite sure how they arrive at that figure , but if so , > then someone , > >> somewhere may get quite a light show in the next 24 hours > >> > >> John > >> 0500 GMT > >> > >> > >> > > > > > -------------------------------------------------------------- > ----------- > > Subscribe/Unsubscribe info, Frequently Asked Questions, > SeeSat-L archive: > > http://www.satobs.org/seesat/seesatindex.html > > > > > > > > > -------------------------------------------------------------- > ----------- > Subscribe/Unsubscribe info, Frequently Asked Questions, > SeeSat-L archive: > http://www.satobs.org/seesat/seesatindex.html > > > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.5.516 / Virus Database: 269.20.8/1288 - Release > Date: 19/02/2008 20:47 > > No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.516 / Virus Database: 269.20.9/1290 - Release Date: 20/02/2008 20:45 ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
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