Hi, I use that method too.

Also I have another, use HORIZONS output ELEMENTS and open that generated file as *.ele file added to probes.dat in GUIDE :)

Adam

>
> A good way to plot the NEO tracks in Guide is to use the JPL horizon
> system's ephemeris software.
>
> http://ssd.jpl.nasa.gov/horizons.cgi
> Ephemeris Type : OBSERVER
> Target Body : Asteroid (2012 DA14)
> Observer Location : Hamburg Germany ( 10°01'59.9''E, 53°34'00.1''N )
> Time Span : Start=2013-02-15 19:00, Stop=2013-02-16 6:00, Step=1 m
> (this is ok for central European sites)
>
> Table Settings : QUANTITIES=1,4,9,20
> Display/Output : plain text
> Compute the ephemeris for your site, delete the header and footer
> sections and create a tdf file.
>
> You can also use my one . Download this file
> http://gva-hamburg.de/2012DA14/horizon_guide.zip
>
> and swap my file 2012DA14.txt with your file. If you happen to live
> near Hamburg (Germany) you can use my file.
> I used that method for previous NEO-passages and also for the Rosetta
> spacecraft flyby.
>
> Hartwig
>