Re: Decay watch: 2000 Sep 2

From: Ed Cannon (ecannon@mail.utexas.edu)
Date: Sat Sep 02 2000 - 15:48:51 PDT

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Ack!  I wrote:

] ... zero uncertainty in Quicksat, meaning that the element age is 
] within plus-or-minus 24 hours of the time of the pass.

Actually, the time uncertainty value in Quicksat estimates the 
reliability of the time of the prediction regardless of the age of 
the elements!  However, with high-drag objects such a those near 
decay, using elements as close as possible to the time of the 
predicted pass is HIGHLY recommended!  

Ed Cannon - ecannon@mail.utexas.edu - Austin, Texas, USA

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