Towards the end of Avengers: Infinity war, after

Thor managed to re-light the forge and create Stormbreaker

Thor, Rocket, and Groot

teleport (?) directly to Wakanda using the newly forged weapon.

They land exactly in the middle of where they're needed. I understand Thor knew their next stop should be Earth, but how could he possibly know to take them directly to

Wakanda?

Towards the end of Avengers: Infinity war, after

Thor managed to re-light the forge and create Stormbreaker

Thor, Rocket, and Groot

use the Bifrost ability of the newly forged weapon to go to Wakanda.

They land exactly in the middle of where they're needed. I understand Thor knew their next stop should be Earth, but how could he possibly know to take them directly to

Wakanda?