Monitoring of collisions of cosmic bodies with the Earth and the Moon in the system "Prognoz"

Authors

  • Vavilov D.E. Institute of Applied Astronomy, Russian Academy of Science, St.-Petersburg, Russian Federation
  • Vinogradova T.A. Institute of Applied Astronomy, Russian Academy of Science, St.-Petersburg, Russian Federation
  • Zheleznov N.B. Institute of Applied Astronomy, Russian Academy of Science, St.-Petersburg, Russian Federation
  • Zaitsev A.V. Noncommercial Partnership "Planetary Defense Center", Khimki, Moscow region, Russian Federation
  • Kochetova O.M. Institute of Applied Astronomy, Russian Academy of Science, St.-Petersburg, Russian Federation
  • Chernetenko Yu.A. Institute of Applied Astronomy, Russian Academy of Science, St.-Petersburg, Russian Federation
  • Shor V.A. Institute of Applied Astronomy, Russian Academy of Science, St.-Petersburg, Russian Federation

UDC

521.35;521.36;523.44

Abstract

The "Prognoz" system is a head part of more general program complex which also includes calculation of the motion of a body in the atmosphere and creation of the scenario of catastrophic consequences of collision. The system determinates an orbit and a body size through observations and predicts the body motion by method of numerical integration. The probability of collision taking into account uncertainty of an orbit is estimated at the moments of passing by the Earth at the minimum distance and at penetration into the atmosphere to a certain level. At the time of atmosphere entrance the longitude and latitude of entry point, parameters of topocentric velocity and their dispersion are calculated. In case of a nominal orbit passing by the Earth, but with rather high probability of collision, on the Earth surface the strip of risk is determinated. In points of this strip falls of the body on the Earth are possible under some conditions. The problem of collisions with the Moon is also solved. The system provides formation of the demonstration table of last and forthcoming approaches to the Earth and to the Moon reflecting work of the system in real time.

Keywords:

asteroid-comet hazard, probability of collision, collision prognosis, asteroids, orbit elements, element errors

Author info

  • Dmitriy E. Vavilov

    канд. физ.-мат. наук, научный сотрудник Института прикладной астрономии РАН

  • Tamara A. Vinogradova

    научный сотрудник Института прикладной астрономии РАН

  • Nikolay B. Zheleznov

    канд. физ.-мат. наук, старший научный сотрудник Института прикладной астрономии РАН

  • Anatoliy V. Zaitsev

    генеральный директор Некоммерческого партнерства "Центр планетарной защиты"

  • Olga M. Kochetova

    канд. физ.-мат. наук, научный сотрудник Института прикладной астрономии РАН

  • Yuliya A. Chernetenko

    д-р физ.-мат. наук, ведущий научный сотрудник Института прикладной астрономии РАН

  • Viktor A. Shor

    д-р физ.-мат. наук, ведущий научный сотрудник Института прикладной астрономии РАН

References

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Issue

Pages

14-23

Section

Article

Dates

Submitted

October 3, 2017

Accepted

October 4, 2017

Published

December 29, 2017

How to Cite

[1]
Vavilov, D.E., Vinogradova, T.A., Zheleznov, N.B., Zaitsev, A.V., Kochetova, O.M., Chernetenko, Y.A., Shor, V.A., Monitoring of collisions of cosmic bodies with the Earth and the Moon in the system "Prognoz". Ecological Bulletin of Research Centers of the Black Sea Economic Cooperation, 2017, № 4, pp. 14–23.

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