You're likely thinking of Meteor Crater in Arizona, also known as Barringer Crater.

Here's why:

* Size: Meteor Crater is about 0.75 miles (1.2 kilometers) across.

* Meteoroid: The meteoroid that created it was estimated to be around 160 feet (49 meters) across.

While your numbers are a bit off, they're close enough to suggest you're referring to this famous crater.