2023 DZ2 is an asteroid roughly 70 meters in diameter, classified as a near-Earth object of the Apollo group, and originally a Virtual Impactor (VI).

It was first observed on 27 February 2023, when it was 0.11 AU (16 million km) from Earth, with the Isaac Newton Telescope by Ovidiu Vaduvescu, Freya Barwell, and Kiran Jhass (ING and University of Sheffield student support astronomers) within the EURONEAR project.

The discovery was carried out within the (Data-parallel detection of Solar System objects and space debris) ParaSOL project that is sponsored by UEFISCDI in Romania and led by Marcel Popescu.

Other members of the EURONEAR collaboration who participated in the data analysis were Marian Predatu, and the amateur astronomers Lucian Curelaru and Daniel Bertesteanu.

[1] It was estimated that an impact would produce an upper atmosphere air burst equivalent to 4.5 Mt TNT (19 PJ),[5] roughly equal to 214 of the Fat Man warhead dropped on Nagasaki, or a little over a third of the Tunguska event.