Re: GRACE 1 and 2

From: Tony Beresford (
Date: Thu Apr 25 2002 - 06:20:40 EDT

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    At 17:43 25/04/02, Tony Beresford wrote:
    >The visual brightness of these satellites might 
    What I menant to say here was that I think a set of concentrated observations
    of these satellites would be useful in establishng there optical characteristics
    at various phase angles. They are planned to be with us for 5 years. Due to their
    polar inclination there will be two visibility sessions per year. Since here in
    southern hemisphere its autumn->winter , I dont get visibility till last few
    days of May I cant do anything at present.
    Tony Beresford
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