pericynthion
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
22
Scrabble Score
12
Letters
4
Syllables
10
Unique Chars
Meaning
noun
The point in an elliptical orbit around the moon that passes closest to the moon.
Example Sentences
- "Trajectory sensitivities are determined for ü=3hr and the first adjustment method is used to calculate that a midcourse correction AV_ = 7.3m/sec is required to correct to the nominal pericynthion point and time."
- "The nominal landing trajectory used in this study consists of applying constant thrust at the pericynthion of the synchronous orbit and performing a gravity-turn descent to a point about 5,500 feet above the lunar surface."
- "Because of the "requirement" that the pericynthion of this type of trajectory lie on the earth-moon axis, the pericynthion loci of realistic panes pass through or very close to the earth-moon axis regardless of i_(VTL)."
- "The pericynthion's distance of 15 km and the apocynthion's distance of 100 km are known."
Etymology
From peri- + Cynthia (“Artemis, the Moon”) + -ion, from Ancient Greek περι- (peri-) + Κυνθία (Kunthía, “Artemis”). Compare perihelion, periastron.
Origin
Word Breakdown
- Root: περι-