Bad data in elsets (was something else)

From: Allen Thomson (thomsona@flash.net)
Date: Sun Feb 06 2000 - 12:19:14 PST

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Mike McCants noted,

> >COSMOS 2366

> Many elsets back to October have a BStar term of "42900-2".
> This translates to a drag term of .00004051.  But this drag value
> is about 50 times too big.
>
> I found one correct elset:
>
> 1 25892U 99045A   00006.68790088  .00000067  00000-0  70755-4 0   885
> 2 25892  82.9253  84.5792 0030883 264.5662  95.2571 13.73912558 18287


Do you have any hypothesis as to what is causing  the incorrect elsets to be
generated?   Maybe it's just one of those things, as NORAD has over the
years put out a fair amount of strange stuff.  I don't have the impression
that tight quality control over elsets is really high on their list of
priorities.

But a more detailed explanation might be interesting.


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