argument of periapsis

noun

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

Meanings

nounargument of periapsis (plural arguments of periapsis)

plural arguments of periapsis

  1. astrophysicsThe angular distance between the ascending node of an object orbiting a primary body and its periapsis measured from that body.
Cite this entry
APA

argument of periapsis. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/argument%20of%20periapsis

MLA

“argument of periapsis.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/argument%20of%20periapsis. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “argument of periapsis,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/argument%20of%20periapsis.

Source: argument of periapsis on Wiktionary, CC BY-SA 4.0.