Mission Design for Venusian Projects of the 2021-2028 Years Epoch. Reachability Areas of the Descent Vehicle

The paper describes the mission profile of the perspective Venus exploration project spacecraft with launches planned for 2027−2031. The main aspects of selecting the optimal launch dates are considered. The sequences of an orbiter injection to a highly elliptical orbit and a lander delivery to the surface of Venus are described. The rationale for the operating orbit as well as for the injection sequence that will enable Venus-to-Earth data transfer are provided. The lifespan of the lander, including its parachute descent, is limited by the high temperature of the lower atmosphere close to the surface (up to 460 degrees Celsius) and is expected to be no more than three hours. Therefore, a key feature of the mission profile development is designing the sequence of the orbital vehicle maneuvers, which ensures robust communication with the lander during this time within a range of 40 thousand kilometers.

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Анализ Траекторий Перелета Космического Аппарата К Венере С Пролетом Астероидов

Зубко,

Эйсмонт,

Назиров

et al. 2024

Astronomičeskij vestnik

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Проведено исследование энергетически малозатратных баллистических траекторий перелета космического аппарата к Венере с попутным пролетом астероидов. Показано, что при использовании схем, включающих гравитационный маневр, требуемый для доставки посадочного аппарата в заданный район на поверхности Венеры, возможен пролет хотя бы одного астероида. Всего было обнаружено 39 астероидов, пролет которых может быть осуществлен при старте в 2029–2050 гг. Проведен анализ достижимых районов посадки при перелете космического аппарата к Венере по траекториям данного типа. Показано, что в каждое из окон старта в период с 2029 по 2050 гг. можно найти астероид, пролет которого оказывается возможным в период времени между двумя сближениями космического аппарата с Венерой.

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Mission Design for Venusian Projects of the 2021-2028 Years Epoch. Reachability Areas of the Descent Vehicle

Cited by 3 publications

References 4 publications

Analysis of Spacecraft Flight Trajectories to Venus with a Flyby of Asteroids

Analysis of Spacecraft Flight Trajectories to Venus with a Flyby of Asteroids

Specifics of designing trajectories of perspective spacecraft for Venus exploration

Анализ Траекторий Перелета Космического Аппарата К Венере С Пролетом Астероидов

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