1995
2000
2005
2010
2015
2020
2025
0
1
2
3
4
5
6
MPECType
Editorial
Discovery
OrbitUpdate
DOU
ListUpdate
Retraction
Other
Followup
FirstFollowup
689 U.S. Naval Observatory, Flagstaff | Number and type of MPECs by year
Year
#MPECs
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