RE: CNN reports more than 80 fragments from 193

From: Bob Christy (rdc@zarya.info)
Date: Thu Feb 21 2008 - 11:21:33 UTC

  • Next message: David Brierley: "DMB Obs February 20"

    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
    



    This archive was generated by hypermail 2b29 : Thu Feb 21 2008 - 11:22:36 UTC