2004 XR190 (also written 2004 XR190) is a possible dwarf planet located in the scattered disc. Astronomers led by Lynne Jones of the University of British Columbia made the discovery as part of the Canada–France Ecliptic Plane Survey (CFEPS) using the Canada–France–Hawaii Telescope (CFHT). The discovery team nicknamed the object Buffy after the fictional vampire slayer and proposed a different official name to the IAU.
apoapsis (km)
9.57426e+12
orbital period (μ)
7.2576e+06
periapsis (km)
7.70279e+12
absolute magnitude
4.4
apparent magnitude
22.04
discovery date
2004-12-11
discoverer
John J. Kavelaars, Brett J. Gladman, Phil Nicholson, Jean-Marc_Petit, Rhiannon_Lynne_Jones
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