Product Updates

Astrolium blog product updates — articles for working astrologers.

Dense columns of numerical ephemeris data flowing into a digital node diagram

Product Updates

Swiss Ephemeris in Astrolium: Engineering Walkthrough

How Astrolium's Swiss Ephemeris service works: the Rust rewrite that cut chart calculation from 340 ms to 8 ms, JPL validation, and why we open-sourced the bindings.

Oleg Kopachovets · 7 min read · May 13, 2026