Hi Dr. Clay,
that is what I knew and what I do.
Nevertheless I still don't fully understand why I get different results using the NEA and the NEAtod datasets.
Many thanks for your replay.
Stefano

--- In guide-user@yahoogroups.com, "P. Clay Sherrod" <drclay@...> wrote:
>
> Hello Stefano....
> You will want to load "NEA Today" (NEAm00):
> http://www.minorplanetcenter.org/iau/MPCORB/NEAm00.txt
> and then change the file name AND extension (.dat) to the
> mpcorb.dat and neatod.dat names.
>
> Having both datasets (identical except for different names) in Guide will allow the same
> dataset to match in both Guide and Charon.
>
> Dr. Clay
> _____
> Arkansas Sky Observatories
> MPC H45 - Petit Jean Mountain South
> MPC H41 - Petit Jean Mountain
> MPC H43 - Conway West
> http://www.arksky.org/
>
> ----- Original Message -----
> From: "Stefano TREVISAN" <trvsfn@...>
> To: <guide-user@yahoogroups.com>
> Sent: Tuesday, March 30, 2010 5:28 AM
> Subject: [guide-user] NEAs or NEAs today?
>
>
> > Hi all,
> > I downloaded the two files from the MPC mirror, saved both as mpcorb.dat and I used them
> > on Guide.
> > Same asteroid, same time, same...all but the positions shown on Guide are slightly
> > different.
> > I know I have to use NEAtod.dat but I do not understand the difference between the two
> > datasets, or better, I don't understand why two different results.
> > Probably this issue was already discussed in this forum in the past but I didn't find
> > it, sorry.
> > Any help is really appreciated.
> > Best regards
> > Stefano TREVISAN
> > B38
> >
> >
> >
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