2023 WK3

 is a near-Earth object of the Atira group.

Discovery
was discovered at G=19.5 mag on 2023 November 21 by G. Duszanowicz using the 0.28-m f/1.9 reflector + CMOS camera of the Moonbase South Observatory, Hakos. MPC code L87

Orbit and classification
It orbits the Sun at a distance of 0.32–0.97 AU once every 6 months (189 days; semi-major axis of 0.64 AU). Its orbit has an eccentricity of 0.5 and a somewhat high inclination of 24° with respect to the ecliptic. It could be a fragment or a former moon of a larger present-day Atira.

Numbering and naming
As of 2023, this minor planet has neither been numbered nor named by the Minor Planet Center.