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transits
Here are 3 public repositories matching this topic...
Astronomical cycle and aspect calculator — planetary transits, synodic cycles and harmonic index. Pure HTML/JS, no dependencies.
javascript astronomy vanilla-js data-visualization ephemeris astrology canvas-api vsop87 celestial-mechanics transits ephemeris-calculations astrology-calculator planetary-cycles
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Updated
Oct 18, 2026 - JavaScript
AstroPan transforms complex astrological data into intuitive timelines. Overlay transits, progressions, directions, and biographical events to see the structure of time at a glance. Built for deep retrospective & predictive analysis. Pure Python + Vanilla JS + D3, generating standalone single-file HTML with zero runtime dependencies.
visualization javascript d3 python html open-source timeline directions standalone data-visualization predictive astrology biography horoscope retrospective transits progressions natal-chart
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Updated
Aug 22, 2026 - JavaScript
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