Good point about the relative speed of the earth. That could probably explain why the other objects turn out to be more ordinary. As for the idea that this 201

Good point about the relative speed of the earth. That could probably explain why the other objects turn out to be more ordinary. As for the idea that this 2014 object originated in our solar system: I don't think that's possible. They were able to project it's incoming trajectory and there were no significant masses that could have directed it path from anywhere other than interstellar space. This is pretty clear from the paper.