descending node

(astronomy) The point in an orbit at which a body passes the ecliptic plane going south.

Japanese Meaning

（天文学）天体の軌道が黄道面を南向きに横切る点、すなわち下降交点

The mission planners scheduled the orbit correction burn to occur as the probe crossed the descending node.

ミッションの計画者は、探査機が下降交点を通過するときに軌道修正の噴射を行うように日程を組んだ。

Sense（1）

(astronomy) The point in an orbit at which a body passes the ecliptic plane going south.

descending nodes

（ plural ）