From: Steve Hearn <shearn@pop400.gsfc.nasa.gov>
Date: Mon, 6 Jan 2003 16:29:36 -0500
To: Barbara Giles <Barbara.Giles@gsfc.nasa.gov>
Cc: robert.a.hoffman@gsfc.nasa.gov, mmachado@pop500.gsfc.nasa.gov, jwainwri@pop400.gsfc.nasa.gov, Stephen.K.Odendahl.1@gsfc.nasa.gov
Subject: Fwd: Very preliminary look at the future

Barbara,

    This is the e-mail from Neil Ottenstein/FDF.  The estimate of 
11/14/05 where the spacecraft sun angle drifts below 90 degrees 
probably allows a few more weeks of operation before total failure of 
one or more components (batteries, downlink comm amplifiers).

Steve.

==========================================================================

>X-Sender: nottenst@pop500
>Date: Thu, 02 Jan 2003 11:22:56 -0500
>To: Joyce Ross <jmross@pop500.gsfc.nasa.gov>,
>    shearn@pop400.gsfc.nasa.gov (Steve Hearn)
>From: Neil Ottenstein <nottenst@pop500.gsfc.nasa.gov>
>Subject: Very preliminary look at the future
>
>Current drift and maneuver analysis puts in the following adjustment 
>maneuvers following our final flip on 09/01/2003:
>
>12/30/2003 - 29 minutes
>03/14/2004 - 26 minutes
>11/21/2004 - 46 minutes
>03/03/2005 - 34 minutes
>
>That uses up all our predicted usable fuel, but allows us to drift 
>above 90 degrees to 11/14/2005.
>
>Neil


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