Re: Decay seen from Chippenham, England

From: Marco Langbroek (marco.langbroek@wanadoo.nl)
Date: Sat Jan 14 2012 - 12:31:48 UTC

  • Next message: Björn Gimle: "Re: Decay seen from Chippenham, England"

    Op 14-1-2012 13:17, Mal Ninnes schreef:
    > I'll take a chance on hazarding a guess. How about COSMOS 2176 (21847)?  The
    > timing is a little off, but the track (and likelihood of decay) makes more sense,
    > doesn't it?
    >
    > Regards,
    > Malcolm
    
    
    Kosmos 2176 is in a highly elliptic orbit (eccentericity 0.3164481, MM 
    09.4519623114) and has perigee over the southern hemisphere and apogee over the 
    northern hemisphere.
    
    It passed over NW Europe half an hour before the listed time *but* was near 
    apogee, at an altitude of over 7000 km.
    
    Kosmos 2176 was also still in orbit as of this morning, given that orbital 
    elements for this object are on record for early this morning (epoch 10:53 UTC).
    
    So: no, definitely not Kosmos 2176.
    
    Is there any more information on the duration of the event, as that is an 
    important parameter to distinguish meteors from space debris decays?
    
    - Marco
    
    -----
    Dr Marco Langbroek  -  SatTrackCam Leiden, the Netherlands.
    e-mail: sattrackcam@wanadoo.nl
    
    Cospar 4353 (Leiden):   52.15412 N, 4.49081 E (WGS84), +0 m ASL
    Cospar 4354 (De Wilck): 52.11685 N, 4.56016 E (WGS84), -2 m ASL
    Station (b)log: http://sattrackcam.blogspot.com
    Twitter: @Marco_Langbroek
    -----
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