ROSAT: evolution of predicted decay v2

From: Ted Molczan (
Date: Sun Oct 16 2011 - 21:15:27 UTC

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    I have updated my plot of decay predictions of ROSAT (1990-049A / 20638), and added Harro Zimmer's predictions:
    Over the 15 day span of the data, the date of decay predicted using Satevo has varied between mid-Oct 22 and early Oct
    26 UTC, but in recent days it has narrowed to early Oct 23. Uncertainty is at least a half day.
    Harro's latest prediction, issued today, is 23 October, 16:00 UTC +/- 15 hours:
    I intend to provide updates from time to time, including predictions from additional sources.
    Ted Molczan
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