OK, thanks for the links. I will try to find time, a bit later but hopefully still this year. (Want to have completely working DE431 first!)
Kind regards, Georg On Sa, 3.10.2015, 01:46, JBerthier wrote: > Hi, > > VSOP2013 is the last release of the analytic planetary theory VSOP87. It > is easy to use. You can choose to use theseries of the > elliptic elements > (ftp://ftp.imcce.fr/pub/ephem/planets/vsop2013/ephemerides/README.pdf) or > the Chebyshev files > (ftp://ftp.imcce.fr/pub/ephem/planets/vsop2013/ephemerides/README.pdf). > The solution (terms of series) covers the time span -4000 > +8000, while the Chebyshev ephemerides covers the time span -4500 +4500. > The interest of the solution is that it can be reduced with > the elimination of terms depending on the required accuracy. All the > planetary theories VSOP, INPOP, DExxx are very similar in terms > of planetary ephemerides. > > jerome > > > > On 10/03/2015 12:11 AM, Georg Zotti wrote: >> Dear Theodor, >> >> thank you for the link, I will have a look in the next weeks. >> >> You are right, we are planning to have DE43x as option for advanced >> users, >> also with the possibility to use the file stored outside Stellarium >> folders (in case you are using it already in other software - no need to >> copy 3GB again ;-). >> >> I haven't read much more than the existence of VSOP2013 or INPOP. Is it >> as >> easy to use and as complete as VSOP87A and does it cover at least its >> date >> range, i.e., is it a straightforward exchange? It might be worth >> thinking >> about using several ephemeris versions... >> >> Kind regards, >> Georg >>>>> ------------------------------------------------------------------------------ _______________________________________________ Stellarium-pubdevel mailing list Stellarium-pubdevel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/stellarium-pubdevel
