Basic astronomical computations for Python


Info: This package contains files in non-standard labels.

conda install

  • linux-64  v3.7.7.1
  • win-32  v3.7.6.0
  • osx-64  v3.7.7.1
  • win-64  v3.7.7.1
To install this package with conda run one of the following:
conda install -c conda-forge ephem
conda install -c conda-forge/label/gcc7 ephem
conda install -c conda-forge/label/cf201901 ephem
conda install -c conda-forge/label/cf202003 ephem


PyEphem provides an ephem Python package for performing high-precision astronomy computations. The underlying numeric routines are coded in C and are the same ones that drive the popular XEphem_ astronomy application, whose author, Elwood Charles Downey, generously gave permission for their use in PyEphem. The name ephem is short for the word ephemeris, which is the traditional term for a table giving the position of a planet, asteroid, or comet for a series of dates. The design of PyEphem emphasizes convenience and ease of use. Both celestial bodies and the observer's location on Earth are represented by Python objects, while dates and angles automatically print themselves in standard astronomical formats.

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