EPEC-EPSC #PlanetaryScience4All EPSC2021 competition entry: Dimitrios Athanasopoulos is 26 years old and a PhD Candidate at the National and Kapodistrian University of Athens in Department of Physics. His work focuses on the most ancient asteroid families of our Solar System that have been discovered. He performs photometric observations to reveal the rotational state of the members in order to characterise these families.