It was first detected by Palomar Sky Survey. The name is also Palomar 12. The newest of these stanzas includes the globular star cluster in the galaxy galaxy.
Studies show that Palomar 12 was once part of the Galaxy's Dwarf Galaxy Sagittarius Dwarf Elliptical Galaxy. In the past, it entered the exterior of the galaxy by a strong gravitational pull. This happened about 1.2 billion years ago. About 60 light-years radius is located in the Capricornus terraces, 600,000 light years away from the planet.