MPEC 2023-S13 : 2023 RG13 (*)
MPEC 2023-R153 : OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS
MPEC 2023-R115 : 2023 RN3 (*)
MPEC 2023-R55 : 2023 RF1 (*)
MPEC 2023-R42 : COMET P/2010 YK3 = P/2023 KF3 (*)
MPEC 2023-R20 : OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS
MPEC 2023-R14 : 2023 QE8 (*)
MPEC 2023-Q159 : 2023 QL7 (*)
MPEC 2023-Q152 : 2023 QC7 (*)
MPEC 2023-Q150 : OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS
MPEC 2023-Q149 : 2023 QZ6
MPEC 2023-Q112 : 2023 QG4 (*)
MPEC 2023-P65 : OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS
MPEC 2023-P49 : 2023 PN (*)
MPEC 2023-P37 : 2023 PD (*)
MPEC 2023-P32 : 2023 PB (*)
MPEC 2023-P25 : OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS
MPEC 2023-O106 : OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS
MPEC 2023-O94 : 2023 OQ3 (*)
MPEC 2023-O79 : 2023 OZ1 (*)
MPEC 2023-O51 : COMET P/2023 M4 (ATLAS) (*)
MPEC 2023-O39 : OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS