O17 Purple Mountain Observatory, Lenghu-1

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Graphs

Yearly Breakdown of MPEC Types

Yearly Breakdown of Discovery Object Types

Yearly Breakdown of Orbit Update Object Types

Breakdown by Observers

Breakdown by Measurers

Breakdown by Facilities

Breakdown by Objects

Annual Breakdown

Weekly Breakdown

Hourly Breakdown

Tables

Yearly Breakdown of MPEC Types

Year Total MPECs Editorial Discovery P/R/FU DOU List Update Retraction Other Follow-Up First Follow-Up
2024 0 0 0 0 0 0 0 0 0 0
2023 0 0 0 0 0 0 0 0 0 0
2022 8 0 0 1 7 0 0 0 0 0
2021 0 0 0 0 0 0 0 0 0 0
2020 0 0 0 0 0 0 0 0 0 0
2019 0 0 0 0 0 0 0 0 0 0
2018 0 0 0 0 0 0 0 0 0 0
2017 0 0 0 0 0 0 0 0 0 0
2016 0 0 0 0 0 0 0 0 0 0
2015 0 0 0 0 0 0 0 0 0 0
2014 0 0 0 0 0 0 0 0 0 0
2013 0 0 0 0 0 0 0 0 0 0
2012 0 0 0 0 0 0 0 0 0 0
2011 0 0 0 0 0 0 0 0 0 0
2010 0 0 0 0 0 0 0 0 0 0
2009 0 0 0 0 0 0 0 0 0 0
2008 0 0 0 0 0 0 0 0 0 0
2007 0 0 0 0 0 0 0 0 0 0
2006 0 0 0 0 0 0 0 0 0 0
2005 0 0 0 0 0 0 0 0 0 0
2004 0 0 0 0 0 0 0 0 0 0
2003 0 0 0 0 0 0 0 0 0 0
2002 0 0 0 0 0 0 0 0 0 0
2001 0 0 0 0 0 0 0 0 0 0
2000 0 0 0 0 0 0 0 0 0 0
1999 0 0 0 0 0 0 0 0 0 0
1998 0 0 0 0 0 0 0 0 0 0
1997 0 0 0 0 0 0 0 0 0 0
1996 0 0 0 0 0 0 0 0 0 0
1995 0 0 0 0 0 0 0 0 0 0
1994 0 0 0 0 0 0 0 0 0 0
1993 0 0 0 0 0 0 0 0 0 0

Download as csv

List of Individual MPECs

Index Name Date/Time Discoverer First-responding Confirmer Object Type Search Archival Image
1 MPEC 2022-J105 DAILY ORBIT UPDATE (2022 May 13) 2022-05-13 12:21:00
2 MPEC 2022-J99 DAILY ORBIT UPDATE (2022 May 12) 2022-05-12 12:21:00
3 MPEC 2022-J89 DAILY ORBIT UPDATE (2022 May 11) 2022-05-11 12:09:00
4 MPEC 2022-J69 DAILY ORBIT UPDATE (2022 May 9) 2022-05-09 12:08:00
5 MPEC 2022-J44 DAILY ORBIT UPDATE (2022 May 6) 2022-05-06 12:08:00
6 MPEC 2022-J42 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-05-06 07:24:00 Comet CATCH
7 MPEC 2022-J31 DAILY ORBIT UPDATE (2022 May 4) 2022-05-04 12:06:00
8 MPEC 2022-J20 DAILY ORBIT UPDATE (2022 May 3) 2022-05-03 12:04:00

List of Observers

Observers Count
C. Zhang, B. Li, Y. D. Ping 3

List of Measurers

Measurers Count
B. Li, C. Zhang, H. B. Zhao 3
Facilities Count
0.7m f/1.7 reflector + CMOS 3