The 1989-048F Decay

From: Harro Zimmer (Harro.Zimmer@t-online.de)
Date: Wed Feb 21 2001 - 04:36:24 PST

  • Next message: Bjoern Gimle: "Decay watch: 2001 Feb 21"

    Report time 12:00 UTC
     
    1989-048F (#20094) Proton upper stage Auxiliary Motor
    
    Surprisingly SPACECOM released very late the FINAL REPORT - prepared 
    February 21, 01:16 UTC  and shows the decay on
                       20 February, 13:16 UTC +/- 01 minutes (45.7N, 249.0E)
    on a northbound pass over Montana.
    
    Another surprise: There is also a last ELSET but with an epoch 14:20:50 UTC 
    more then one hour after the decay ! Based on this ELSET 01051.5977... and
    extrapolating backwards (12:00:00 UTC) and working with a empirical ballistic
    coefficient, derived from retrofitting over the last 2 days, MPM + REENTRY 
    delivers the decay on               
                      20 February, 13:17 UTC +/-  05 minutes (46.38N, 252.70E)
    on the same pass also over Montana.
    
    Any visual observations ?
    
    Harro
    Harro.Zimmer@t-online.de
    Berlin, Germany
    
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