A Python wrapper for solid Earth tides
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Updated
Oct 19, 2026 - Fortran
A Python wrapper for solid Earth tides
C++ functions and definitions implementing the IERS 2010 standards.
IERS data maintained by @astrofrog and astropy.utils.iers maintainers
Fortran codes for computation of Earth’s rotation polar shift effects on all-element geodetic variations
Fortran codes for nontidal geocentric variation effects of mass on all-element geodetic variations
Fortran codes for spherical harmonic synthesis of ocean tidal load effects on all-element geodetic variations
Fortran codes for computation of solid Earth tidal effects on all-element geodetic variations on or outside geoid
Retrieve Earth Orientation Parameters (EOP) from the International Earth Rotation and Reference Systems Service (IERS)
Fortran codes for spherical harmonic analysis on tidal constants and modelling
IERS Conventions made easy.
NAIF/SPICE-aligned astronomical time scales in Rust: UTC, TAI, TT, TDB/ET, GPS, UT1 and SCLK, with LSK/SCLK/EOP kernels, no_std support, WebGeocalc parity and an MCP server.
Astrodynamics in Rust, with the verification as the deliverable: frames, SGP4, numerical and semi-analytical propagation, orbit determination, GNSS, SLR, coverage. C ABI and Python bindings.
Sun–Moon ephemeris, eclipse prediction and lunar observation in a single HTML file (VSOP2013, ELP/MPP02, IAU 2006/2000A, IERS EOP). Offline-capable, installable PWA.
Faithful, memory-safe Rust port of upstream leapseconds.awk — generates the zic 'leapseconds' source from NIST/IERS leap-seconds.list, byte-identical to the awk oracle.
Python toolkit for downloading, parsing, and analyzing IERS C04 Earth Orientation Parameters: Polar motion spectral analysis, Chandler Wobble isolation via FFT, and UT1-UTC time scale conversion.
C++20 astrodynamics library: time scales, IAU 2006/2000A frames, WGS84 geodesy, ephemerides, SGP4, J2/J4 propagation and covariance tracking.
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