Perigee (noun)

1. The point in the orbit of the moon or a satellite at which it is nearest to the Earth.
2. The point in the orbit of an object orbiting the Earth at which it is nearest to the Earth.

Origin:

From greek perigeion (περίγειον), meaning "around the earth".

Examples:

1. The perigee of the Moon's orbit is about 31,000 miles (50,000 km) closer to the Earth than its apogee.
2. The next perigee will occur on the 10th of this month.
3. Perigee of the satellite is the point where it is closest to the Earth.
4. The satellite will pass perigee in about an hour.
5. The perigee of the orbit is the point where the satellite is closest to the Earth.