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Apoapsis vs. Apsis — What's the Difference?

Apoapsis vs. Apsis — What's the Difference?

Difference Between Apoapsis and Apsis

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Apoapsis

The point at which an orbiting object is farthest away from the center of mass of the body it is orbiting.

Apsis

An apsis (from Ancient Greek ἁψίς (hapsís) 'arch, vault'; pl. apsides AP-sih-deez) is the farthest or nearest point in the orbit of a planetary body about its primary body.

Apoapsis

(astronomy) The point of a body's elliptical orbit about the system's centre of mass where the distance between the body and the centre of mass is at its maximum.

Apsis

(Architecture) An apse.

Apoapsis

(astronomy) the point in an orbit farthest from the body being orbited
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Apsis

(Astronomy) The point of greatest or least distance of the orbit of a celestial body from the center of mass of the system.

Apsis

(architecture) A recess or projection, with a dome or vault, at the east end of a church; an apse.

Apsis

(astronomy) Either of the points in the elliptical orbit of a planet or comet where it is closest or furthest from the sun; perihelion or aphelion; an apside

Apsis

One of the two points of an orbit, as of a planet or satellite, which are at the greatest and least distance from the central body, corresponding to the aphelion and perihelion of a planet, or to the apogee and perigee of the moon. The more distant is called the higher apsis; the other, the lower apsis; and the line joining them, the line of apsides.

Apsis

In a curve referred to polar coördinates, any point for which the radius vector is a maximum or minimum.

Apsis

Same as Apse.

Apsis

A domed or vaulted recess or projection on a building especially the east end of a church; usually contains the altar

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