﻿ Definition of Periapsis. Meaning of Periapsis. Synonyms of Periapsis

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

- 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)...
- "longitude of periapsis" or "longitude of periastron" are often used synonymously with "argument of periapsis". In astrodynamics the argument of periapsis ω can...
- 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...
- 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...
- Argument of periapsis (ω) defines the orientation of the ellipse in the orbital plane, as an angle measured from the ascending node to the periapsis (the closest...
- radius at periapsis (the closest distance). The eccentricity of an elliptical orbit can also be used to obtain the ratio of the periapsis to the apoapsis:...
- particular point in its orbit. Maximum (instantaneous) orbital speed occurs at periapsis (perigee, perihelion, etc.), while minimum speed for objects in closed...
- periapsis, and for the CSM were about two hours. The LM began its landing sequence with a Descent Orbit Insertion (DOI) burn to lower their periapsis...
- 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...
- 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...