Definition of Periapsis. Meaning of Periapsis. Synonyms of Periapsis

Here you will find one or more explanations in English for the word Periapsis. Also in the bottom left of the page several parts of wikipedia pages related to the word Periapsis and, of course, Periapsis synonyms and on the right images related to the word Periapsis.

Definition of Periapsis

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Meaning of Periapsis from wikipedia

- "longitude of periapsis" or "longitude of periastron" are often used synonymously with "argument of periapsis". In astrodynamics the argument of periapsis ω can...
- primary body to the orbiting body when the latter is located: 1) at the periapsis point, or 2) at the apoapsis point (compare both graphics, second figure)...
- the longitude of periapsis (e.g., mean longitude and true longitude) will also be compound. Sometimes, the term longitude of periapsis is used to refer...
- : 25, 62–63  For elliptical orbits it can also be calculated from the periapsis and apoapsis since r p = a ( 1 − e ) {\displaystyle r_{\text{p}}=a\,(1-e)}...
- flying the vehicle through the atmosphere at the low point of the orbit (periapsis). The resulting drag slows the spacecraft. Aerobraking is used when a...
- If an impulsive burn of Δv is performed at periapsis in a parabolic orbit, then the velocity at periapsis before the burn is equal to the escape velocity...
- body will be at periapsis. If this is less than planet's radius an impact should be expected. The distance of closest approach, or periapsis distance, is...
- between the apoapsis and periapsis. The portion of the semi-major axis extending from the primary at one focus to the periapsis is shown as a purple line...
- orbit's true anomaly, ϖ ≡ ω + Ω is the longitude of orbit's periapsis, ω is the argument of periapsis, and Ω is the longitude of the orbit's ascending node...
- are seen with Venus and Neptune. As two objects orbit each other, the periapsis is that point at which the two objects are closest to each other and the...