Syzygy + aeon: 30,000 years of planetary alignments computed with JPL DE441, with an interactive viewer in 12 languages.
i18n python github-page solar-system planets javascrip jpl stellarium conjuction astronom data-visualizatio eclipses de441 ephemeri syzyg planetary-alignment archaeoastronom history-of-astronom
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Updated
Oct 19, 2026 - Python