Space debris observations with the Slovak AGO70telescope: Astrometry and light curves

Silha, Jiri; Krajcovic, Stanislav; Zigo, Matej; Tóth, Juraj; Zilková, Danica; Zigo, Pavel; Kornos, Leonard; Simon, Jaroslav; Schildknecht, Thomas; Cordelli, Emiliano; Vananti, Alessandro; Mann, Harleen Kaur; Rachman, Abdul; Paccolat, Christophe; Flohrer, Tim (2020). Space debris observations with the Slovak AGO70telescope: Astrometry and light curves. Advances in space research, 65(8), pp. 2018-2035. Elsevier 10.1016/j.asr.2020.01.038

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The Faculty of Mathematics, Physics and Informatics of Comenius University in Bratislava, Slovakia (FMPI) operates its own 0.7-m Newtonian telescope (AGO70) dedicated to the space surveillance tracking and research, with an emphasis on space debris. The observation planning focuses on objects on geosynchronous (GEO), eccentric (GTO and Molniya) and global navigation satellite system (GNSS) orbits. To verify the system’s capabilities, we conducted an observation campaign in 2017, 2018 and 2019 focused on astrometric and photometric measurements. In last two years we have built up a light curve catalogue of space debris which is now freely available for the scientific community. We report periodic signals extracted from more than 285 light curves of 226 individual objects. We constructed phase diagrams for 153 light curves for which we obtained apparent amplitudes.

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