Minor Planet Occultations

(133637) 2003 UG144 on 04 August 2024

Main belt asteroid (133637) 2003 UG144 is a small asteroid with an estimated diameter of ~10 km and was mag +19.4 and too faint to be seen when it passed in front of a mag +12.6 star, causing the break in the star trail in this 10 s drift-scan exposure.

Screenshot of drift-scan measurement using Scanalyzer (see page by John Broughton, Reedy Creek Observatory, Australia here).