MPEC 2011-O57 : OBSERVATIONS AND ORBITS OF COMETS
MPEC 2007-Q46 : COMET 19P/BORRELLY
MPEC 2005-B52 : 2005 BX26 (*)
MPEC 2005-B24 : 2005 BW1 (*)
MPEC 2002-M33 : COMET 46P/WIRTANEN
MPEC 2001-X45 : COMET 51P/HARRINGTON