KIAM RAS/ISON optical facilities and applications of their data

The current status of the optical network of Keldysh Institute of Applied Mathematics of the Russian Academy of Sciences (KIAM RAS) and its partners within the International Scientific Optical Network (ISON) will be outlined. Statistics of observed and catalogued objects will be provided. Areas of observational data use will be considered as well as a report on the performance of these activities for 2019—2020, including a summary of close approach analysis results for MEO and GEO satellites, some results of photometry study of individual satellites, a summary of disintegrations in GEO, and statistical models of space debris for high orbits.