Perigee Definition & Meaning - Merriam-Webster
网页The meaning of PERIGEE is the point in the orbit of an object (such as a satellite) orbiting the earth that is nearest to the center of the earth; also : the point nearest a planet or a satellite (such as the moon) reached by an object orbiting it.
Lunar Perigee and Apogee - timeanddate.com
网页The Moon's orbit around Earth is elliptical. The point of the orbit closest to Earth is called perigee, while the point farthest from Earth is known as apogee.
Apogee and Perigee - Vocab, Definition, and Must Know Facts
网页Definition. Apogee refers to the point in an orbit where an object is farthest from the center of the Earth, while perigee is the point where it is closest.
PERIGEE | English meaning - Cambridge Dictionary
网页the point in the orbit (= curved path) of the moon or a satellite when it it is closest to the earth : The moon will be at perigee, its closest to the earth, on the 8th of the month. Compare. …
Apsis - Wikipedia
网页When discussing a satellite of Earth, including the Moon, the point of least distance is the perigee (/ ˈ p ɛr ɪ dʒ iː /), and of greatest distance, the apogee (from Ancient Greek: Γῆ (Gē), "land" or "earth").
Lunar Perigee and Apogee Calculator - Fourmilab
网页Perigee and apogee distances are usually accurate to within a few kilometres compared to values calculated with the definitive ELP 2000-82 theory of the lunar orbit; the maximum error over the years 1977 through 2022 is 12 km in perigee distance and 6 km at apogee.
PERIGEE | definition in the Cambridge English Dictionary
网页PERIGEE meaning: 1. the point in the orbit (= curved path) of the moon or a satellite when it it is closest to the…. Learn more.
What Are Perigee and Apogee? When Are Perigee and Apogee?
网页What is Perigee and Apogee? A simple definition: The point at which it is nearest Earth each month is called its perigee (this varies throughout the year). The point at which the Moon is farthest from Earth each month is called its apogee (this varies throughout the year as well).
Perigee – Definition & Detailed Explanation - Sentinel Mission
网页2024年4月26日 · Perigee is a term used in astronomy to describe the point in an object’s orbit around the Earth when it is closest to our planet. This phenomenon is most commonly associated with the Moon, as it orbits the Earth in an elliptical path rather than a …
Supermoons - NASA Science
网页A “supermoon” occurs when a full moon coincides with the Moon’s closest approach to Earth in its elliptical orbit, a point known as perigee. During every 27-day orbit around Earth, the Moon reaches both its perigee, about 226,000 miles (363,300 km) from Earth, and its farthest point, or apogee, about 251,000 miles (405,500 km) from Earth.