High-precision solar system ephemeris engine for JavaScript/TypeScript. Zero dependencies, runs in Browser and Node.js.
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Updated
May 24, 2026 - TypeScript
High-precision solar system ephemeris engine for JavaScript/TypeScript. Zero dependencies, runs in Browser and Node.js.
Independent C ephemeris engine with JPL/CALCEPH, Moshier, VSOP87, ELP2000, Meeus, eclipse, and astrology/astronomy APIs.
Pure Python ctypes FFI wrapper for the JPL Moshier Ephemeris C library with raw jme_* access and bundled jme plus calceph runtimes
PHP FFI wrapper for the JPL Moshier Ephemeris native library with JME API, runtime binaries, and JPL kernel support.
Pure Dart FFI wrapper for the JPL Moshier Ephemeris C library with raw jme_* access and bundled jme plus calceph runtimes
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