openfa ☆
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Description:
Set of algorithms that implement standard models used in fundamental astronomy
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Other
Tags: astronomy astrophysics science research algorithms
Install: brew install openfa
About:
Openfa is a specialized library providing high-precision implementations of fundamental astronomical algorithms. It covers critical models for time scales, coordinate systems, and planetary ephemerides. This tool is essential for researchers requiring accurate and standardized calculations in astrodynamics and celestial mechanics.
Key Features:
  • High-precision algorithms for time scales (UTC, TAI, TT, TDB)
  • Implementation of IAU recommended models for precession and nutation
  • Coordinate system transformations (ICRS, FK5, Galactic)
  • Planetary and lunar ephemeris computations
Use Cases:
  • Processing observational data in astrometry and astronomy
  • Developing precise orbital mechanics simulations
  • Validating results against IAU standards in research
Alternatives:
  • ERFA / SOFA – Openfa serves as a modern, often more accessible alternative to these comprehensive but complex standards libraries.
  • PyEphem / Skyfield – Focuses on higher precision and specific fundamental models rather than general-purpose telescope pointing.
Version History
Detected Version Rev Change Commit
Oct 26, 2024 9:34pm 0 VERSION_BUMP 16da6bbb
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