perilune in English

noun
1
the point at which a spacecraft in lunar orbit is closest to the moon.
SMART - 1 reached its closest point to the lunar surface so far - its first ‘ perilune ’ - at an altitude of about 5000 kilometres at 18: 48 Central European Time on 15 November.

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Below are sample sentences containing the word "perilune" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "perilune", or refer to the context using the word "perilune" in the English Dictionary.

1. Perilune and Apolune are also used

2. Perilune is an antonym of Apolune

3. Our current orbital parameters read Apolune, 67 - correction - 64.7 nautical miles [119.8 km]; perilune, 54.8 nautical miles [101.5 km].

4. As nouns the difference between perilune and Apolune is that perilune is (astronomy) the point of an elliptical lunar orbit where the distance between the satellite and the moon is at its minimum while Apolune is (astronomy) the point of an elliptical lunar orbit where the distance between the satellite and the moon is at its maximum.

5. "Period: May 2009* operation: elliptical orbit, 20 km (perilune) at south pole and 100 km (Apolune) at north pole* mission: same as phase 2."

6. Period: May 2009* operation: elliptical orbit, 20 km (perilune) at south pole and 100 km (Apolune) at north pole* mission: same as phase 2.Spaceports

7. While the exact orbit determination will take a couple of hours, the ISRO release gave the nominal orbit parameters as 504 km perilune (the nearest point from the Moon's surface) and 7502 km Apolune (the farthest point).

8. Definition of Apolune : the point in the path of a body orbiting the moon that is farthest from the center of the moon — compare perilune First Known Use of Apolune 1960, in the meaning defined …

9. Apolune: 1 n apoapsis in orbit around the moon Synonyms: aposelene Antonyms: perilune , periselene periapsis in orbit around the moon Type of: apoapsis , point of apoapsis (astronomy) the point in an orbit farthest from the body being orbited

10. The altitude at apoapsis (point farthest from the center of attraction) for a lunar orbit is known as Apolune, apocynthion, or aposelene, while the periapsis (point closest to the center of attraction) is known as perilune, pericynthion, or periselene, from names or epithets of the moon goddess.