bn:00061575n
Noun Concept
Categories: Orbits, Articles with short description, All articles needing additional references, Wikipedia articles incorporating a citation from the 1911 Encyclopaedia Britannica with Wikisource reference
EN
periapsis  point of periapsis
EN
(astronomy) the point in an orbit closest to the body being orbited WordNet 3.0
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EN
(astronomy) the point in an orbit closest to the body being orbited WordNet 3.0 & Open English WordNet
The point of a body's elliptical orbit about the system's centre of mass where the distance between the body and the centre of mass is at its minimum. Wiktionary
WordNet 3.0 & Open English WordNet
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