TKS-EPH-2 · apparent places in your browser (WebAssembly · evaluation build, 1950–2050 CE)

The long-span TKS ephemeris plus the full reduction (light-time, aberration, solar deflection, true ecliptic of date) run in this page — no server round-trip per position. Loads an 84 KB WASM module and the 2.6 MB evaluation data file (1950–2050). The full TKS-EPH-2 (1550–2650 CE, 28.5 MB), native library, bindings and API are available under a commercial licence (free academic / research grant on request) — licensing.