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Расчет условий освещенности в процессе выведения космического аппарата…

Инженерный журнал: наука и инновации

# 12·2016

11

Calculation of illumination conditions during putting the

spacecraft into

geostationary orbit using low thrusters

© V.P. Kazakovtsev, V.V. Koryanov, P.V. Prosuntsov, A.G. Toporkov

Bauman Moscow State Technical University, Moscow, 105005, Russia

This article assesses conditions of spacecraft illumination and the possibility of its falling into

the shadow of the Earth during the flight from the parking orbit to geostationary orbit using

low thrusters. The obtained results are used for simulating the temperature state of the anten-

na reflector to determine the thermal load during an orbital flight. In the course of simulation

it was found that during the trip, the orbit plane tilt angle is continuously changing from the

initial value to zero by the time of entering into a geostationary orbit, and the entrance angles

of the antenna directed along the radius of the orbit were determined. It is shown that the

flight trajectory is a spiral with a pitch increasing in orbit radius magnitude and the space-

craft shadow-sunlight time for each subsequent orbit pass increases, and the maximum shad-

ow-sunlight time is of the order of 1.12 hours.

Keywords:

illumination, geostationary orbit, spacecraft, low thruster, antenna

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Kazakovtsev V.P., Koryanov V.V., Prosuntsov P.V., Toporkov A.G.

Estestven-

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2015, no.11,

pp. 345–354.

Kazakovtsev V.P. (

b. 1934) graduated from Bauman Moscow Higher Technical School

in 1958. Dr. Sci. (Eng.), Professor, Department of Dynamics and Flight Control of Rock-

ets and Spacecrafts, Bauman Moscow State Technical University. Author of 130 research

publications in the field of ballistics and flight dynamics of space and descent vehicles.

e-mail:

vpkazakovtsev@mail.ru