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Databases for Observations and Orbit Elements for Asteroids and Comets in ERA System

Авторы: E. I. Yagudina

Журнал: Protecting the Earth against Collisions with Asteroids and Comet Nuclei In: A. M. Finkelstein, W. F. Huebner, V. A. Shor (Eds) Proceedings of the International Conference “Asteroid-Comet Hazard-2009”, StP: Nauka, 79–83

Год: 2010

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Ключевые слова: Very Long Baseline Interferometry (VLBI), Small Solar System Body (SSSB), IAA RAS programming system ERA (Ephemeris Research in Astronomy), ephemeris and dynamical astronomy, astronomical education, programming system versatility, predefined set of ephemeris tasks, own applications in positional astronomy, high precision observations, Solar System bodies hazardous for humanity, Near Earth Asteroids (NEAs), comets, database for observations, database for elements of asteroids and comets, examples of the orbit determination, processing of observations, peculiarities of computations, usage of the ERA system for orbit determination

The programming system ERA (Ephemeris Research in Astronomy) has been developed in IAA RAS to support scientific research in ephemeris and dynamical astronomy as well as for aims of astronomical education. The main feature of the system is its versatility: user not limited by a predefined set of ephemeris tasks but easily develops his/ her applications practically in any branch of positional astronomy. In the frame of the ERA system, a user has easy access to an embedded universal package to process high precision observations of Solar System bodies, including those that are hazardous for humanity, such as NEAs and comets. In the present paper the databases for both observations and elements of asteroids and comets in the ERA system are described, as well as examples of the orbit determination and the processing of observations for these objects. The peculiarities of computations are described and examles of usage of the ERA system for orbit determination are presented