Apophis 2029: What it means for life on Earth

Apophis is a particular deadly astroid, that on it's current projection is headed for Earth at about 25 degrees. This is such a steep angle, that when the time comes the astroid may bounce off the atmosphere and start orbiting the moon, Apophis is at least one fourth the size of Earth an astroid this size has the ability to pull the moon out of it's current orbit and fling it towards the Earth and possibly cause a double strike as the moon, and the astroid both hit the Earth at exactly 56 minutes apart, lets all party before then eh? This will wipe life from the Earth perminetly