Possibilities of asteroid deflection from collisions having regard to the resonant returns

Authors

  • Sokolov L.L. Saint Petersburg State University, St.-Petersburg, Российская Федерация
  • Vasil'ev A.A. Saint Petersburg State University, St.-Petersburg, Российская Федерация
  • Petrov N.A. Saint Petersburg State University, St.-Petersburg, Российская Федерация
  • Pol V.G. Lavochkin Association, Khimki, Moscow region, Российская Федерация
  • Eskin B.B. Saint Petersburg State University, St.-Petersburg, Российская Федерация

UDC

521.1

Abstract

We have detected many possible collisions of hazardous asteroids (Apophis and others) with the Earth. Everhart integrator and DE430 model of Solar System are applied, the high-performance computational cluster of the Saint Petersburg State University used. The main characteristics of trajectories under study including relative positions and sizes of keyholes leading to collisions are practically stable with respect to small changes of motion model. We have detected possible collisions of Apophis with the Moon. We discuss the possibilities of moving asteroid into the region without keyholes using kinetic method. It is possible to deflect asteroid from collisions using timely practicable struck, taken into account fly-by effect under approaches to the Earth.

Keywords:

asteroids, asteroid-comet hazard, trajectories, collisions

Acknowledgement

Работа выполнена при поддержке РФФИ (грант 15-02-04340) и Программы проведения фундаментальных исследований СПбГУ по приоритетным направлениям (проект 6.37.341.2015).

Author Infos

Leonid L. Sokolov

д-р физ.-мат. наук, профессор кафедры небесной механики Санкт-Петербургского государственного университета

e-mail: lsok@astro.spbu.ru

Andrey A. Vasil'ev

научный сотрудник лаборатории наблюдательной астрофизики Санкт-Петербургского государственного университета

e-mail: inter@astro.spbu.ru

Nikita A. Petrov

специалист Центра сопровождения образовательных программ и научных исследований Санкт-Петербургского государственного университета

e-mail: petrov@astro.spbu.ru

Vadim G. Pol

канд. техн. наук, ведущий специалист отдела 118-2 АО "НПО им. С.А. Лавочкина"

e-mail: polvad@laspace.ru

Boris B. Eskin

старший преподаватель кафедры небесной механики Санкт-Петербургского государственного университета

e-mail: esk@astro.spbu.ru

References

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Issue

2017. No. 4. Part 2

Pages

135-139

Submitted

2017-12-07

Published

2017-12-28

How to Cite

Sokolov L.L., Vasil'ev A.A., Petrov N.A., Pol V.G., Eskin B.B. Possibilities of asteroid deflection from collisions having regard to the resonant returns. Ecological Bulletin of Research Centers of the Black Sea Economic Cooperation, 2017, no. 4, pp. 135-139. (In Russian)

Copyright (c) 2017 Sokolov L.L., Vasil'ev A.A., Petrov N.A., Pol V.G., Eskin B.B.

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