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An astronomer at the Vatican Observatory (www.VaticanObservatory.org), together with his colleagues, has found a new member of the solar system orbiting beyond the planet Neptune. This “trans-Neptunian object,” or “TNO,” is currently is designated “2021 XD7.” It was first observed by Fr. Richard Boyle, S.J. on December 3, 2021, using the Vatican Advanced Technology Telescope (VATT) on Mt. Graham in Arizona (USA).
Breaking news: Vatican Observatory astronomer finds new member of the solar system
For the time being the "trans-Neptunian object," which is smaller than Pluto, is going by the name of "2021 XD7."
aleteia.org