Talk:7968 Elst–Pizarro

133P/Elst-Pizarro vs 7968 Elst-Pizarro

I notice that on 12 January 2010 SatyrTN moved 133P/Elst-Pizarro to 7968 Elst-Pizarro stating that the "Minor Planet Center recommends to list objects, both designated as asteroids and comets, as asteroids." The MPC Dual status page states, "astrometric observations of these objects should be reported under the minor planet designation." But Wikipedia:Article titles states, "Articles are normally titled using the name which is most commonly used to refer to the subject". Both Hsieh and Jewitt seem to refer to the object more often by the cometary name. So 133P would seem (IMHO) to be the common name. JPL only refers to the asteroid name even when you specify 133P. Google search "7968 Elst-Pizarro" = 16,700 results; "133P/Elst-Pizarro" = 42,200 results. This could come to down to Wikipedia practices vs IAU/JPL practices. Which name should Wikipedia use as primary? -- Kheider (talk) 18:15, 17 December 2010 (UTC)

Among dual-status objects, only one show recurrent distinct cometary activity. It is 133P/Elst-Pizarro. I think we can rename it to cometary designation. Cometary activity of other dual-status objects may be transient. 174P/(60558) Echeclus's cometary activity in 2005 seem to be a result of asteroid impact. Chiron's cometary activity was seen only in 1980s-1990s, when the centaur was in perihelion. 107P/Wilson-Harrington showed distinct cometary activity only in 1949. The cometary activity of 176P/LINEAR was seen only in one apparition (2005). Fjörgynn (talk) 10:51, 18 December 2010 (UTC)

I also brought this subject up at Wikipedia_talk:WikiProject_Solar_System#133P.2FElst-Pizarro_vs_7968_Elst-Pizarro. I also think objects known to be recurrent could just as easily and perhaps more properly go by their cometary name. -- Kheider (talk) 12:18, 18 December 2010 (UTC)

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