Assuming no other conditions change, and that the object crosses Earth's orbit as the planet is passing by, and so on. I'd be willing to bet, however, that thi

Assuming no other conditions change, and that the object crosses Earth's orbit as the planet is passing by, and so on. I'd be willing to bet, however, that this object's orbit permutes a bit with every pass, especially dipping that deeply into the gravity wells of other, much more massive, objects.