Predicted Decay of 28871 and 29229

From: Robert Holdsworth (
Date: Tue Jun 27 2006 - 15:07:41 EDT

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    Both 28871 STP-R1 and 29229 S-4 R/B  are due to decay in the next 24 hours 
    or so, though as STP-R1 has already had several "boosts"  it cannot be 
    certain whether it may receive another one.
    Calsky has both of these predicted to decay around 1600 UTC, Space_track 
    predictions are not up to date.
    Interestingly both of these objects passed in relatively close proximity to 
    each other near here about half an hour ago, but 28871 was due to be in 
    shadow and although 29229 was expected to exit shadow I have mist at my 
    location so observation was impossible.
    We have a good visible pass of STP-R1 tonight our time, currently predicted 
    at 0539Z on 28 June UTC   and an invisible pass of 29229 at 0843.
    Robert Holdsworth
    New Zealand
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