Definitions by Cloudisnowbear

apoapsis 

the high point in an orbit — compare periapsis.

The point farthest from the attracting body is called the apoapsis.

apoapsis by Cloudisnowbear January 10, 2022

Periapsis 

the point in the path of an orbiting body at which it is nearest to the body that it orbits.

The angular rate is faster nearer periapsis and slower near apoapsis.

Periapsis by Cloudisnowbear January 10, 2022

Apoapsis 

the high point in an orbit — compare periapsis.

The point farthest from the attracting body is called the apoapsis.

Apoapsis by Cloudisnowbear January 10, 2022