[Server-sky] Anybody want to process the NORAD two-line elements into potential server-sky colliders?
Tony Rick
tonyr42 at gmail.com
Sat Mar 21 18:03:34 UTC 2009
Nit-picky issue:
http://en.wikipedia.org/wiki/Two-line_elements says that the code is for
use with the SGP4 model.
http://en.wikipedia.org/wiki/SGP4 says that this is for orbital times less
than
225 minutes should use this model (m225 in keith-speak), and that model
SDP4 ( http://en.wikipedia.org/wiki/SDP4 ) should be used for orbital times
> m225. The SDP4 article also says, however,
Most newer software implementations have merged SGP4 and SDP4
> in to a single code base, and generally just refer to both just as 'SGP4'.
>
It appears to me that some clarification is on order if we are looking at
m228.
- tony
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