The Delta 2 decay

From: Harro Zimmer (
Date: Fri Feb 09 2001 - 05:34:44 PST

  • Next message: Harro Zimmer: "The Delta 2 decay"

    Report time 11:00 UTC
    2000-071B (#26606) Delta 2 R/B
    SPACECOM'S FINAL REPORT - prepared Feb 08, 20:56 UTC - shows the decay on
                     08 January, 19:12 +/- 07 minutes  (37.0S, 149.0E)
    on an ascending pass over South Australia (Victoria). There is a visual
    observation  on 19:13 UTC (Robe 37.17S, 139.75E) in excellent agreement
    with an reentry pass at an altitude well below 79 km.
    But: It is nearly impossible to reproduce with MPM + REENTRY  this relative late 
    decay, roughly 30 minutes after perigee. All my calculations  - also a with a 
    different technique - shows the decay around 18:46 UTC +/- 12 minutes. SPACECOM
    released also some inconsistent TLEs and finally there is in SPACECOMs position
    (LAT, LON) an imcompatibility of latitude with longitude (equivalent about 70 
    time seconds difference). 
    Berlin, Germany
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