A quartet of particularly hefty asteroids ... making it the largest of the four, will reach a minimum distance of 2.8 million ...

The first and largest is Asteroid 2011 UL21 ... Thankfully, it will pass Earth by at a safe distance of over 4 million miles away. Like planets, asteroids orbit the sun, but they are much smaller.

Eric Mack is a reporter covering science, sustainability and space. A pair of asteroids are set to make close passes by the Earth this week, and both are unusually large for visitors to the ...

It takes 1 Ceres 4.6 Earth years to complete one orbit around the Sun. What are the other biggest asteroids in the solar system? The next largest asteroids in the solar system are 2 Pallas ...

These space rocks are remnants from the early solar system, formed over 4.6 billion years ago. While most asteroids are irregularly shaped and vary in size, some can be several hundred kilometers ...

With an estimated diameter of 4.2km, the ... "Considering all the asteroids coming closer than 15 million of kilometres, Alinda is one of the five largest ones in size from now until 2200." ...