Perigee and Trajectory

Perigee noun - Periapsis in Earth orbit; the point in its orbit where a satellite is nearest to the Earth.

Trajectory and perigee are semantically related. in circuit topic. In some cases you can use "Trajectory" instead a noun "Perigee".

Trajectory noun - The path followed by an object moving through space.

Perigee and trajectory are semantically related. You can use "Perigee" instead a noun "Trajectory".