MPEC 2022-M18 : COMET C/2022 L2 (ATLAS) (*)
MPEC 2022-A21 : OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS
MPEC 2021-B143 : OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS
MPEC 2021-A192 : COMET C/2020 W5 (Lemmon) (*)
MPEC 2020-Y99 : 2020 YY2 (*)
MPEC 2020-Y18 : 2020 XV6 (*)
MPEC 2020-X10 : COMET P/2005 CR16 = 2003 WR168 = 2020 W2 (NEAT-LINEAR) (*)
MPEC 2020-X01 : DAILY ORBIT UPDATE (2020 December 1)
MPEC 2020-V65 : 2020 VN1 (*)
MPEC 2020-V61 : 2020 VM1 (*)
MPEC 2020-U270 : OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS
MPEC 2020-U263 : DAILY ORBIT UPDATE (2020 October 29)
MPEC 2020-U261 : COMET C/2020 U5 (PANSTARRS) (*)
MPEC 2020-U251 : COMET C/2020 T5 (Lemmon) (*)
MPEC 2020-U198 : COMET C/2020 T4 (PANSTARRS) (*)
MPEC 2020-U160 : DAILY ORBIT UPDATE (2020 October 21)
MPEC 2020-U151 : COMET P/2020 S6 (Leonard) (*)
MPEC 2020-S188 : OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS
MPEC 2020-S119 : COMET C/2020 S3 (Erasmus) (*)
MPEC 2020-S33 : COMET C/2020 R4 (ATLAS) (*)
MPEC 2020-Q109 : COMET C/2020 Q1 (Borisov) (*)
MPEC 2020-Q01 : COMET C/2020 P3 (ATLAS) (*)
MPEC 2020-P87 : 2020 PL2 (*)
MPEC 2020-P07 : COMET P/2020 O1 (Lemmon-PANSTARRS) (*)
MPEC 2020-O165 : 2020 OS5 (*)
MPEC 2020-O30 : COMET C/2020 M5 (ATLAS) (*)
MPEC 2020-N24 : 2020 ND (*)
MPEC 2020-N21 : DAILY ORBIT UPDATE (2020 July 7)
MPEC 2020-N08 : OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS
MPEC 2020-M134 : DAILY ORBIT UPDATE (2020 June 29)
MPEC 2018-S50 : OBSERVATIONS AND ORBITS OF COMETS
MPEC 2017-Y36 : 2017 XJ62 (*)