SV: Consideration of a OIG/GSFC SSR policy change

From: Bjoern Gimle (
Date: Thu Apr 13 2000 - 22:54:58 PDT

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    I assume that the date of the first 2xxxx elset for a debris object can be
    accuretely enough "interpolated" from known launches.
    But the object may have a month or more of pre-history as an 8yyyy object,
    and the analysts at USSPACECOM who give it a catalog no. and an
    international ID must have a pretty good idea when the separation from the
    parent occurred.
    This date would be much more valuable to have in the listing.
    -- (office)                         --
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    -- COSPAR 5919, MALMA,    59.2615 N, 18.6206 E, 33 m         --
    -- COSPAR 5918, HAMMARBY, 59.2985 N, 18.1045 E, 44 m         --
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    > Thus when a new item is received from USSPACECOM, and it is a debris
    > object. I believe it would be a simple program revision to "look" at
    > the epoch date and accept this as the realization, calving, discovery
    > or detection date (I like the term "calving date").  And since the
    > term is specific.  It is an easy matter for SSR users to immediately
    > know _when_ a debris object guess work.
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