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astronomyengine  

R Bindings to the 'Astronomy Engine' C Library
View on CRAN: Click here


Download and install astronomyengine package within the R console
Install from CRAN:
install.packages("astronomyengine")

Install from Github:
library("remotes")
install_github("cran/astronomyengine")

Install by package version:
library("remotes")
install_version("astronomyengine", "0.1.0")



Attach the package and use:
library("astronomyengine")
Maintained by
Mitchell O'Hara-Wild
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2026-02-27
Latest Update: 2026-02-27
Description:
Provides access to the 'Astronomy Engine' C library (<https://github.com/cosinekitty/astronomy>) by Don Cross. The library calculates positions of the Sun, Moon, and planets, and predicts astronomical events such as rise/set times, lunar phases, equinoxes, solstices, eclipses, and transits. It is based on the 'VSOP87' planetary model and is accurate to within approximately one arcminute. This package bundles the single-file C source so that other R packages can link against it via 'LinkingTo' without shipping their own copy.
How to cite:
Mitchell O'Hara-Wild (2026). astronomyengine: R Bindings to the 'Astronomy Engine' C Library. R package version 0.1.0, https://cran.r-project.org/web/packages/astronomyengine. Accessed 13 Mar. 2026.
Previous versions and publish date:
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