also: おうけい
ecliptic longitude; celestial longitude
Astronomical term; the angular distance along the ecliptic from the vernal equinox.
Calculate the ecliptic longitude of a celestial body.
longitude of the ascending node
Standard kanji form; reading こうけい is the most common.
Alternate reading; less common than こうけい.
Compound of 黄 (yellow, referring to the ecliptic) and 経 (longitude). The reading こうけい is the standard on'yomi; おうけい is a less common variant.