[Chad Fairbanks]

Well, when the headline reads asteroid, and the first sentence of the article says Meteorite, well, it was just a question crying out to be asked.... :0)

[RightWhale]

when the headline reads asteroid, and the first sentence of the article says Meteorite

Must be something like this:

If the object stays in space it is an asteroid or comet. If it hits the atmosphere it is a meteor. If it hits the ground it is a meteorite.