The Story Behind Earth's "Other" Moon And Its Completely Whacked OrbitDuncan Forgan — The Conversation2/25/15 11:40am9135EditPromoteGo to permalink We all know and love the moon. We're so assured that we only have one that we don't even give it a specific name. It's just The Moon. But the moon is not the Earth's only natural satellite. Here's what you need to know about 3753 Cruithne and what its weird orbit reveals about the solar system.