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New Comet: P/2012 T1 (PANSTARRS)

16 Oct 2012, 12:21 UTC
New Comet: P/2012 T1 (PANSTARRS)
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Cbet nr. 3252, issued on 2012, October 11, announces the discovery of a new comet (discovery magnitude 20.7) by Pan-STARRS survey on CCD images obtained with the 1.8-m Ritchey-Chretien + CCD on October 06. Prediscovery Pan-STARRS observations from 2011 July 28 were identified by G. V. Williams. The new comet has been designated P/2012 T1 (PANSTARRS).After posting on the Minor Planet Center's NEOCP webpage, other CCD astrometrists have also commented on the object's cometary appearance. We performed some follow-up measurements of this object on 2012, October 11.63. Stacking of 8 R-filtered exposures, 60-sec each, obtained remotely, from the Haleakala-Faulkes Telescope North through a 2.0-m f/10.0 Ritchey-Chretien + CCD, shows that this object is a comet with a faint coma nearly 5" in diameter.Our image (click on the image for a bigger version):M.P.E.C. 2012-T55 assigns the following elliptical orbital elements to comet P/2012 T1: T 2012 Nov. 21.89; e= 0.20; Peri. = 323.21; q = 2.41 AU; Incl.= 11.4. According to his orbital characteristics of asteroids (with a Tisserand parameter T_jup = 3.176 ) and the physical characteristics of comets this object seems to be a new member of Main Belt Comets (MBCs). (see also our previous post about 596 Scheila)Below ...

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