MPEC 2020-C105 : 2020 CR1 (*)
MPEC 2019-S09 : COMET C/2019 Q4 (Borisov)
MPEC 2019-S03 : COMET C/2019 Q4 (Borisov)
MPEC 2018-S50 : OBSERVATIONS AND ORBITS OF COMETS
MPEC 2018-D91 : OBSERVATIONS AND ORBITS OF COMETS
MPEC 2017-T14 : OBSERVATIONS AND ORBITS OF COMETS
MPEC 2017-J52 : OBSERVATIONS AND ORBITS OF COMETS
MPEC 2017-H20 : COMET 41P/Tuttle-Giacobini-Kresak
MPEC 2017-E59 : OBSERVATIONS AND ORBITS OF COMETS