Re: Observations, 12 July 2001 [UT]

From: Mark Hanning-Lee (markhl@prodigy.net)
Date: Thu Jul 12 2001 - 12:56:12 PDT

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    I concur: I've seen several recent evening passes of SL-16 Rocket
    (25861, Okean-O r). In each case the sat was mag 1 before culmination
    and dimmed to the predicted magnitude soon afterwards.
    
    I suspect that the rotational period is now comparable to the duration
    of a pass, so no one observer can easily time the rotation.
    
    As I understand it, the rotational rate usually decays exponentially,
    i.e. the period increases exponentially with time. First-order decay. So
    the current period could be estimated using previous obs.
    
    Best, Mark
    
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