Earlier close approaches to Earth were before the start of the space age.
It will make its next close approach to earth in 2017.
Every 5 years (from 1946 through 2091) the asteroid makes a close approach to the Earth.
They were able to image it though during their close approaches.
It is now known that the asteroid will not make a close approach to the Earth in 2041.
I felt quite sure that we should fail in a close approach with so large a party.
It is not open to the public, but walking along the sea wall allows a close approach on the south side.
They'll have to destroy more than half of their mass just to make a close approach.
At the last moment, his close approach proved too much for her.
"Physical contact or even a close approach must be avoided."