argument of periapsis

Questions

What does argument of periapsis mean?

The angular distance between the ascending node of an object orbiting a primary body and its periapsis measured from that body.

How to pronounce argument of periapsis

1. Open the pronunciation page — Open the Speakur entry for “argument of periapsis”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
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4. Repeat and practice — Say “argument of periapsis” aloud, matching stress and vowels until it feels natural.