835 Drum Hill Station, Chelmsford

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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 0 0 0 0 0 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 1 0 0 0 1 0 0 0 0 0
2000 2 0 0 0 0 0 0 0 1 1
1999 1 0 0 0 1 0 0 0 0 0
1998 3 0 0 0 0 0 0 0 3 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

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List of Individual MPECs

Index Name Date/Time Discoverer First-responding Confirmer Object Type Search Archival Image
1 MPEC 2001-P12 DAILY ORBIT UPDATE (2001 AUG. 4 UT) 2001-08-04 06:05:00
2 MPEC 2000-R34 2000 RD53 2000-09-07 22:57:00 ✓ PHAg18 CATCH
3 MPEC 2000-Q32 2000 QW7 2000-08-27 17:51:00 PHAg18 CATCH
4 MPEC 1999-H32 DAILY ORBIT UPDATE (1999 APR. 27 UT) 1999-04-27 06:07:00
5 MPEC 1998-V20 1998 VR 1998-11-12 20:41:00 NEA (18>H>22) CATCH
6 MPEC 1998-V18 1998 VO 1998-11-12 20:19:00 PHAg18 CATCH
7 MPEC 1998-S31 1998 SD15 1998-09-25 14:12:00 NEA (18>H>22) CATCH

List of Observers

Observers Count
R. Sinnott 8
R. W. Sinnott 11

List of Measurers

Measurers Count
Facilities Count
0.20-m f/3.3 Schmidt-Cassegrain + CCD 19