# NASA Exoplanet Archive derivative

This research has made use of the NASA Exoplanet Archive, which is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program.

Snapshot: PSCompPars,17 October2026; source CSV SHA-256 17862c7b7df4a9de1813367071b312523f7f42ed1a2284ce879cd8ee2a707386. Every downloaded planet row is retained. The original compressed CSV and schema are retained in source-inputs/nasa-exoplanet-2026-10-17, outside public assets; this derivative retains scalar values, signed errors, limits, calculation markers and publication links. Parameters may come from different papers and need not be self-consistent. This is catalog coverage, not a complete inventory of undiscovered planets/moons. No NASA endorsement.

Exact identity links and adopted proper aliases use AT-HYG3.3/HYG4.4 by David Nash/Astronomy Nexus under CC BY-SA4.0 (https://creativecommons.org/licenses/by-sa/4.0/; https://codeberg.org/astronexus/athyg; https://codeberg.org/astronexus/hyg). That derivative layer retains ShareAlike attribution. OEC1cec3052811d aliases/cross-references retain the notices in the adjacent OEC edition/ATTRIBUTION.md and LICENSE-OEC.txt. No private database, source imagery or credentials are copied.