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The ecological well-being of the Earth is closely connected with the prevention of asteroid-comet-meteoroid hazard. Asteroids and comets are the parent bodies of many meteoroids. Meteoroids, which are observed as meteors in the Earth’s atmosphere, always collide with the Earth. This means that the orbits of such meteoroids can be a signal for the detection of potentially dangerous larger bodies in such orbits. At the same time, the dynamics of the complex of meteoroid orbits has a complex intricate character. Meteor science is also engaged in unraveling the patterns of orbital paths and paths of interplanetary bodies potentially dangerous for life on Earth. A separate section of meteor science is associated with the chemistry of the influx of meteoric matter. The report is devoted to the analysis of the above problems, as well as related issues, using open databases of meteor data and others, with an emphasis on radio data.