MPEC 2021-V199 : COMET C/2021 U5 (Catalina) (*)
MPEC 2021-V173 : COMET P/2021 V3 = P/2011 UE215 (PANSTARRS) (*)
MPEC 2021-C19 : 2021 AW11 (*)
MPEC 2021-B120 : COMET C/2021 B2 (PANSTARRS) (*)
MPEC 2021-B119 : COMET C/2021 A9 (PANSTARRS) (*)
MPEC 2021-B72 : 2021 BR1 (*)
MPEC 2021-B45 : 2021 AV7 (*)
MPEC 2021-A211 : COMET C/2021 A7 (NEOWISE) (*)
MPEC 2021-A207 : COMET C/2021 A4 (NEOWISE) (*)
MPEC 2021-A195 : COMET C/2020 Y3 (ATLAS) (*)
MPEC 2021-A99 : COMET C/2021 A1 (Leonard) (*)
MPEC 2021-A39 : 2021 AA1 (*)
MPEC 2021-A27 : 2021 AO (*)
MPEC 2020-U243 : COMET P/2020 S7 (PANSTARRS) (*)
MPEC 2020-T87 : 2020 TS2 (*)
MPEC 2020-H182 : 2019 LE6
MPEC 2020-B81 : 2020 BB3
MPEC 2020-B60 : COMET C/2020 A3 (ATLAS) (*)