Compilation of Phobos-Grunt Decay Estimates v4

From: Ted Molczan (
Date: Fri Jan 13 2012 - 19:17:40 UTC

  • Next message: Peter Wakelin: "SATOBS 2012 January 13"

    The following pdf lists the most recent decay estimate from various sources, as of 2012 Jan 13 19:06 UTC.
    Had not planned to update so soon, but needed to correct the Roscosmos times. In earlier versions, I mistakenly reported
    Moscow Time as UTC. Thank you all who provided me with the correct information. Also added the Russian Aerospace Defence
    Forces estimate, per Igor Lissov's post to the list.
    The spreadsheet and data used to generate the pdf is here:
    The pdf and spreadsheet include three plots showing the evolution of the decay estimates over different time spans. The
    shortest provides better resolution of the numerous recent estimates. The wider ones reveal the long-term trend, at the
    expense of resolution.
    Ted Molczan
    Seesat-l mailing list

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