It takes Neptune 168 years to complete an orbit. That means it takes this object 1680 years to complete its orbit. To say that things in the outer Solar System move at a leisurely pace is quite the understatement.
The article says it is 140 time further from the sun than the earth. So this means the linear speed of earth is is within the ballpark of Neptune and this new objects speeds.
Zipping right along compared to how long it takes a galaxy to make a complete rotation!