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Е.А. Николаева, О.Л. Старинова
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Инженерный журнал: наука и инновации
# 7·2017
Modelling the Earth protection systems
for hazardous asteroids deflection
© E.A. Nikolaeva, O.L. Starinova
Samara National Research University, Samara, 43086, Russia
This study examines the characteristics of near-Earth asteroids. We consider two meth-
ods of changing the trajectory of a potentially hazardous asteroid: the first is with the
help of the gravity tractor, and the second is by means of the propulsion device which is
placed directly on the asteroid and uses local material as the propellant. Mathematical
models have been developed by taking into account the gravitational perturbation from
all bodies as well as the real positions of celestial bodies in the system. In this research
we have generated mathematical models, control programs and software for the model-
ling and visualization of the asteroid’s and gravity tractor’s motion trajectories. The
modelling results obtained prove the feasibility of the asteroid’s deflection from the haz-
ardous trajectory using modern space vehicles. Such space vehicles are designed by PAO
RSC Energia and intended for the L
unar Program
transportation missions
.
Keywords:
hazardous asteroid, modelling, mathematical model, software package, meth-
ods of coping with asteroidal hazard, motion trajectory
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