It could be even older than that.
It may even be older than Neil Young
Or maybe younger.
Its home star may have been in another galaxy altogether, perhaps it was brought here when our Milky Way collided or merged with another galaxy, which we know has happened several times in the past. Its present orbit may offer clues to its origins, but they would not be conclusive. Who knows how many perturbations from other encounters these objects have encountered in the past?
There are some interesting discussions on these objects in Centauri Dreams – Imagining and Planning Interstellar Exploration (centauri-dreams.org)