到達 (tōtatsu) means “reach” | MotiTan Japanese Dictionary

More examples

探査機の火星への到達を、地上で確認しました。tan sa ki no ka sei e no tō tatsu o chi jō de kaku nin shi ma shi ta

We confirmed the probe's arrival at Mars from the ground.

Describes reaching a destination, level, or goal after moving toward it.

到着tōchaku: Arrival at a place after traveling or moving toward it.
達成tassei: Successful completion of a goal or task.

目的地や目標などに行き着くこと。moku teki chi ya moku hyō na do ni i ki tsu ku ko to

The Sino-Japanese compound combines 到 (tō, "arrive") and 達 (tatsu, "reach") to express arriving at a goal or level.

Unlike the more everyday 到着 (tōchaku), 到達 (tōtatsu) often focuses on reaching a goal, level, or state rather than simply arriving at a place.