MPEC 2022-Y15 : OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS
MPEC 2020-O100 : COMET C/2020 N2 (ATLAS) (*)
MPEC 2020-K131 : Comet C/2019 Y4 (ATLAS) (*)
MPEC 2020-A112 : COMET C/2019 Y4 (ATLAS) (*)
MPEC 2019-J142: OBSERVATIONS AND ORBITS OF COMETS (*)