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Six-impulse maneuvers for rendezvous of spacecraft in near-circular noncoplanar orbits
Springer Science and Business Media LLC - Tập 50 - Trang 441-448 - 2012
A. A. Baranov, D. S. Roldugin
The problem of a rendezvous of two spacecraft in close near-circular noncoplanar orbits is considered. The angles of applying velocity impulses and their orientation are determined from necessary conditions of optimality derived using the basis vector theory. For non-degenerate six-impulse solutions the analytical formulas are found that approximate the dependence of moments of applying velocity i...... hiện toàn bộ
Families of Periodic Solutions to the Beletsky Equation
Springer Science and Business Media LLC - - 2002
A. D. Bruno
A review of achievements in the investigation of the planar periodic oscillations and rotations of a satellite around its center of mass, which moves along an elliptic orbit in the central gravitational field, is presented. These oscillations and rotations of the satellite are described by an ordinary differential equation (Beletsky equation) of the second order with periodic coefficients and two ...... hiện toàn bộ
Optimization of Flight Trajectories of a Spacecraft with Electric Propulsion Using the Gravitational Maneuver
Springer Science and Business Media LLC - Tập 42 - Trang 389-398 - 2004
G. G. Fedotov
Necessary conditions of optimality of the use of a gravitational maneuver during a flight are obtained, and a mathematical model for its study is proposed. With the help of the developed method of optimization of a trajectory of an interplanetary flight using a favorable gravitational maneuver, estimations of a spacecraft's transport capabilities are made for flights to Mercury and for the deliver...... hiện toàn bộ
Magneto-ionospheric effects of active experiments conducted on February 18, 2004
Springer Science and Business Media LLC - Tập 49 - Trang 292-307 - 2011
L. F. Chernogor
Results of radiophysical and magnetometric observations of dynamical processes in the ionosphere and geomagnetic field that followed launches of four rockets of different power and made from different launching sites are analyzed. It is found that the rocket launches were accompanied by an intensification of wave activity in the ionosphere and geomagnetic field. The medium reactions from various s...... hiện toàn bộ
A Technique for Estimating the Space Debris Density from the Data of Onboard Recording Systems
Springer Science and Business Media LLC - Tập 41 - Trang 204-208 - 2003
V. V. Mironov
A three-dimensional mathematical model and a program complex for modeling the external effect of small-sized space debris particles on a spacecraft are developed. On the basis of the rectangular contributions method a new technique is developed for restoring the density of small-sized space debris from a small number of recorded debris collisions with recording sensors. From the form of the densit...... hiện toàn bộ
Comparison of the effects induced by the ordinary (O-mode) and extraordinary (X-mode) polarized powerful HF radio waves in the high-latitude ionospheric F region
Springer Science and Business Media LLC - - 2018
N. F. Blagoveshchenskaya, Т. Д. Борисова, А. С. Калишин, V. N. Kayatkin, T. K. Yeoman, Ingemar Häggström
Forecasting of the Total Electron Content at a Single Location
Springer Science and Business Media LLC - Tập 41 - Trang 353-356 - 2003
I. Stanisławska, Z. Zbyszynski
The autocovariance prediction method previously used for the forecast of VI derived ionospheric characteristics has been used for forecast of one of the most important ionospheric—the total electron content (TEC)—at single locations. Quiet and disturbed conditions at different European stations were studied in regard to clarify the forecasting capabilities of the method for determination of the TE...... hiện toàn bộ
Conceptual Design and Mechanical Analysis of a Lunar Anchored Cislunar Tether
Springer Science and Business Media LLC - Tập 61 - Trang 80-89 - 2023
Wang Weiwei, Wu Zhigang, Liu Jiafu
A long tether anchored to the lunar surface and extended to position tens thousands of kilometers above the Earth is put forward. It could be used as an auxiliary cislunar traffic track to transfer cargos along it to the Moon without rocket landing and ascending, saving fuels. The configuration and statics of the tether is examined carefully within the Earth–Moon circular restricted three-body sys...... hiện toàn bộ
Stationary Nose Structures of Protons in the Inner Magnetosphere: Observations by the ION Instrument onboard the Interball-2 Satellite and Modeling
Springer Science and Business Media LLC - Tập 41 - Trang 3-12 - 2003
N. Yu. Buzulukova, R. A. Kovrazhkin, A. L. Glazunov, J.-A. Sauvaud, N. Yu. Ganushkina, T. I. Pulkkinen
Nose structures are objects formed by H+ particles penetrating into the inner magnetosphere [1, 2]. We present the results of experimental studies and numerical modeling of the nose structures. Statistical processing of the observations of nose structures in 1997 by the ION instrument onboard the Interball-2 satellite at heights of 10 000–15 000 km demonstrates that the probability of formation of...... hiện toàn bộ
Determination of two Satellites’ relative motion using tracking measurements
Springer Science and Business Media LLC - Tập 46 - Trang 523-528 - 2008
M. Yu. Ovchinnikov, S. S. Tkachev
A technique to determine the initial relative velocity of two satellites at the initial time instant, based on the results of NORAD system’s measurements, is presented. The determination of a relative initial position is shown to result in the unsatisfactory accuracy. This technique is applied to determining the initial velocity of separation of the first Russian nanosatellite TNS-0 from the Inter...... hiện toàn bộ
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