The Galactic Junkers

You will have to finish the main storyline to be able to do this achievement.

There is 18 stations in total that you need to Manually Aboard yourself, they will be unlocked by progressing in your main quest.

Neptune Station
The Raft

Pluto Station

Mars Station

Uranus Station

Jupiter Station
*Guild Bank*

Earth Station
Projector 1/2/3/4
King Pod's Station

Venus Station

Mercury Station
*Star Cube*

Saturn Station

Alien Station (Voidspace)

There is only the Guild Bank that you never go there in the main objective.

For the Star Cube,