What is it about?
We consider the concept of applying gravity assist maneuvers near Venus using resonant orbits with a period equal to the Venusian one. We show that the proposed operations based on this concept allow the reachable landing areas on the surface of Venus to be expanded radically. The price of this approach is an increase of the time interval needed to solve this problem by a value equal to the orbital period of Venus. The cost of the characteristic velocity in this case remains within limits close to the standard variants of planning missions to Venus.
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Why is it important?
The proposed operations based on this concept allow the reachable landing areas on the surface of Venus to be expanded radically. Such expansion would lead to free choice where the spacecraft from Earth can land on the Venus surface. Thus expansion of landing areas leads to expansion of scientific information in general.
Perspectives
The proposed method can be used in a more complex mission scenarios for example in expansion of landing areas in Jupiter and Saturn missions.
Mr Vladislav Zubko
Space Research Institute of the Russian Academy of Sciences (IKI)
Read the Original
This page is a summary of: Resonant Orbits in the Problem of Expanding the Reachable Landing Areas on the Surface of Venus, Astronomy Letters, May 2021, Pleiades Publishing Ltd,
DOI: 10.1134/s1063773721050042.
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