NGC 5222 (also NGC 5222-1, Arp 288, MCG 2-35-5, UGC 8558 and PGC 47871) is a magnitude +13.1 elliptical galaxy located 315 million light-years away in the constellation Virgo. The galaxy is gravitationally interacting with the neighbouring galaxy PGC 93122 (NGC 5222-2 ): these two galaxies together with the nearby spiral galaxy NGC 5221 are listed as Arp 288 in the Atlas of peculiar galaxies by Halton Arp.
The galaxy was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Datchet, Berkshire, on the 12th April 1784.