New Delhi, June 27 -- A large asteroid will zip past Earth this weekend, but don't worry: It poses no danger.

The space rock - 1997 NC1 - makes its closest approach Saturday morning, coming within 1.6 million miles (2.6 million kilometers), according to the European Space Agency.

Discovered nearly three decades ago by an asteroid-tracking system in Hawaii, the asteroid is between 2,461 feet (0.75 kilometer) to 5,413 feet (1.65 kilometers) wide - roughly the size of two to four Empire State Buildings.

Skygazers with binoculars and small telescopes may be able to spot the asteroid as a small point of light passing harmlessly through the sky. It won't greet Earth from such a distance again until 2133, according to NASA.

The last time an ...