The Swiss Ephemeris is a high precision ephemeris based upon the DE431 ephemerides from NASA's JPL. It covers the time range 13201 BC to AD 17191. This package uses the semi-analytic theory by Steve Moshier. For faster and more accurate calculations, the compressed Swiss Ephemeris data is available in the 'swephRdata' package. To access this data package, run 'install.packages("swephRdata", repos = "https://rstub.github.io/drat/", type = "source")'. The size of the 'swephRdata' package is approximately 115 MB. The user can also use the original JPL DE431 data.
|Author||Ralf Stubner [aut, cre], Victor Reijs [aut], Authors and copyright holder of the Swiss Ephemeris [aut, cph] (see LICENSE for details)|
|Maintainer||Ralf Stubner <[email protected]>|
|License||AGPL | file LICENSE|
|Package repository||View on CRAN|
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