Re: Grace 1 and 2, Envisat Obs

From: Tony Beresford (
Date: Fri Apr 19 2002 - 02:52:13 EDT

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    At 16:04 19/04/02, Jari wrote:
    >With my 10x50s i was able to easily see GRACE 1 #27391 02012A followed 22
    >sec later (mental count) by GRACE 2 #27392 02012B almost along the same
    >track as they passed between Kocab and Pherkad. I didn't getting a proper
    >timing but they were within the predicted time of 05:39:xx 19 Apr UTC. Don't
    >know how long they'll be together but they made a nice pair to look for,
    >especially since they are related.
    Jari, they will be together as long as the fuel lasts.
    Keeping the spacing constant is an essential part of the
    experiment they are conducting.
    Tony Beresford
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