| − | |mass=1.66 * 10<sup>22</sup> kg<ref name=johnston/><ref name=Brown1>Brown, Michael E., and Schaller, Emily L. "[http://www.sciencemag.org/cgi/content/abstract/316/5831/1585 The Mass of Dwarf Planet Eris]." ''Science'', 316(5831):1585, June 15, 2007. <doi:10.1126/science.1139415> Accessed May 15, 2008.</ref><ref name=reitan>Reitan, Kari. "[http://www.nasa.gov/mission_pages/hubble/news/eris.html Astronomers Measure Mass of Largest Dwarf Planet]." Space Telescope Science Institute, [[National Aeronautics and Space Administration]], June 14, 2007. Accessed January 21, 2008.</ref> | + | |mass=1.66 * 10<sup>22</sup> kg<ref name=johnston/><ref name=Brown1>Brown, Michael E., and Schaller, Emily L. "[http://www.sciencemag.org/cgi/content/abstract/316/5831/1585 The Mass of Dwarf Planet Eris]." ''Science'', 316(5831):1585, June 15, 2007. <doi:10.1126/science.1139415> Accessed May 15, 2008.</ref><ref name=reitan>Reitan, Kari. "[https://www.nasa.gov/mission_pages/hubble/news/eris.html Astronomers Measure Mass of Largest Dwarf Planet]." Space Telescope Science Institute, [[National Aeronautics and Space Administration]], June 14, 2007. Accessed January 21, 2008.</ref> |