Graph showing the orbit of asteroid 858334 Gioacchinopecci, along with the text: "Gioacchino Vincenzo Raffaele Luigi Pecci (Pope Leo XIII, 1810–1903) had a great interest in the sciences and was responsible for the re-establishment and reform of the Vatican Observatory in 1891 within the walls of the Vatican. He also encouraged the Observatory to get involved in the Carte du Ciel project."
In the latest batch of asteroid names, Pope Leo XIII (1810-1903) was honored with the asteroid 858334 Gioacchinopecci.