645 Apache Point-Sloan Digital Sky Survey

Where is this observatory?

Graphs

Yearly Breakdown of MPEC Types

Term definition:
Editorial - Editorial MPECs associated with this station.
Discovery - MPECs associated with discovery made by this station.
OrbitUpdate - MPECs associated with orbit updates involving observations made by this station. Typically, these are recoveries of single-opposition objects.
DOU - Daily Orbit Update MPECs involving observations made by this station.
ListUpdate - MPECs associated with list updates involving observations made by this station. This category has largely been retired since 2012.
Retraction - Retracted MPECs involving observations made by this station.
Followup - MPECs associated with follow-up observations made by this station to an object discovered elsewhere.
FirstFollowup - MPECs associated with follow-up observations made by this station to an object discovered elsewhere, with this station being the first station to follow-up.
Other - MPECs that do not fit into categories listed above and involve observations made by this station.

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
2025 20 0 0 10 10 0 0 0 0 0
2024 14 0 0 10 1 0 0 0 2 1
2023 9 0 0 6 2 0 0 0 1 0
2022 32 0 0 21 10 0 0 0 1 0
2021 32 0 0 18 13 0 0 0 1 0
2020 15 0 0 4 11 0 0 0 0 0
2019 8 0 0 2 5 0 0 0 1 0
2018 6 0 0 1 5 0 0 0 0 0
2017 5 0 0 1 3 0 0 0 1 0
2016 12 0 0 2 10 0 0 0 0 0
2015 9 0 0 3 6 0 0 0 0 0
2014 11 0 0 2 9 0 0 0 0 0
2013 12 0 0 0 12 0 0 0 0 0
2012 28 0 0 1 27 0 0 0 0 0
2011 29 0 0 0 29 0 0 0 0 0
2010 2 0 0 1 1 0 0 0 0 0
2009 7 0 0 0 6 0 0 0 1 0
2008 11 0 0 3 7 0 0 0 1 0
2007 8 0 0 2 6 0 0 0 0 0
2006 8 0 0 2 6 0 0 0 0 0
2005 9 0 0 1 8 0 0 0 0 0
2004 6 0 0 2 4 0 0 0 0 0
2003 11 0 0 0 11 0 0 0 0 0
2002 1 0 0 1 0 0 0 0 0 0
2001 1 0 0 0 1 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

List of Individual MPECs

Index Name Date/Time Discoverer First-responding Confirmer Object Type Search Archival Image
1 MPEC 2001-R50 DAILY ORBIT UPDATE (2001 SEPT. 15 UT) 2001-09-15 07:04:00
2 MPEC 2002-C35 1999 GL4 2002-02-08 16:06:00 PHAg18 CATCH
3 MPEC 2003-K44 DAILY ORBIT UPDATE (2003 MAY 28 UT) 2003-05-28 06:05:00
4 MPEC 2003-K47 DAILY ORBIT UPDATE (2003 MAY 29 UT) 2003-05-29 06:05:00
5 MPEC 2003-K48 DAILY ORBIT UPDATE (2003 MAY 30 UT) 2003-05-30 06:05:00
6 MPEC 2003-K55 DAILY ORBIT UPDATE (2003 MAY 31 UT) 2003-05-31 06:05:00
7 MPEC 2003-L01 DAILY ORBIT UPDATE (2003 JUNE 1 UT) 2003-06-01 06:05:00
8 MPEC 2003-L03 DAILY ORBIT UPDATE (2003 JUNE 2 UT) 2003-06-02 06:05:00
9 MPEC 2003-L15 DAILY ORBIT UPDATE (2003 JUNE 5 UT) 2003-06-05 06:05:00
10 MPEC 2003-M41 DAILY ORBIT UPDATE (2003 JUNE 24 UT) 2003-06-24 06:04:00
11 MPEC 2003-T49 DAILY ORBIT UPDATE (2003 OCT. 8 UT) 2003-10-08 06:07:00
12 MPEC 2003-U97 DAILY ORBIT UPDATE (2003 OCT. 30 UT) 2003-10-30 07:08:00
13 MPEC 2003-V57 DAILY ORBIT UPDATE (2003 NOV. 14 UT) 2003-11-14 07:06:00
14 MPEC 2004-A21 DAILY ORBIT UPDATE (2004 JAN. 5 UT) 2004-01-05 07:13:00
15 MPEC 2004-G41 OBSERVATIONS OF COMETS 2004-04-15 01:00:00 Comet CATCH
16 MPEC 2004-H89 DAILY ORBIT UPDATE (2004 APR. 30 UT) 2004-04-30 06:13:00
17 MPEC 2004-K22 DAILY ORBIT UPDATE (2004 MAY 20 UT) 2004-05-20 06:07:00
18 MPEC 2004-M12 2004 LZ11 2004-06-18 16:19:00 NEA (18>H>22) CATCH
19 MPEC 2004-Q15 DAILY ORBIT UPDATE (2004 AUG. 19 UT) 2004-08-19 06:10:00
20 MPEC 2005-L46 DAILY ORBIT UPDATE (2005 JUNE 11 UT) 2005-06-11 06:17:00
21 MPEC 2005-O43 DAILY ORBIT UPDATE (2005 JULY 30 UT) 2005-07-30 06:10:00
22 MPEC 2005-S01 DAILY ORBIT UPDATE (2005 SEPT. 16 UT) 2005-09-16 06:15:00
23 MPEC 2005-S26 DAILY ORBIT UPDATE (2005 SEPT. 22 UT) 2005-09-22 06:18:00
24 MPEC 2005-S77 DAILY ORBIT UPDATE (2005 SEPT. 30 UT) 2005-09-30 06:22:00
25 MPEC 2005-T82 2005 NB7 2005-10-12 11:52:00 PHAg18 CATCH
26 MPEC 2005-W20 DAILY ORBIT UPDATE (2005 NOV. 21 UT) 2005-11-21 07:06:00
27 MPEC 2005-W62 DAILY ORBIT UPDATE (2005 NOV. 26 UT) 2005-11-26 07:09:00
28 MPEC 2005-Y46 DAILY ORBIT UPDATE (2005 DEC. 29 UT) 2005-12-29 07:21:00
29 MPEC 2006-A12 DAILY ORBIT UPDATE (2006 JAN. 4 UT) 2006-01-04 07:21:00
30 MPEC 2006-A18 2003 NP7 2006-01-05 14:34:00 NEA (18>H>22) CATCH
31 MPEC 2006-D09 DAILY ORBIT UPDATE (2006 FEB. 19 UT) 2006-02-19 07:29:00
32 MPEC 2006-H09 2006 DZ169 2006-04-19 17:45:00 NEAl18 CATCH
33 MPEC 2006-K21 DAILY ORBIT UPDATE (2006 MAY 21 UT) 2006-05-21 06:12:00
34 MPEC 2006-T26 DAILY ORBIT UPDATE (2006 OCT. 4 UT) 2006-10-04 06:13:00
35 MPEC 2006-W86 DAILY ORBIT UPDATE (2006 NOV. 25 UT) 2006-11-25 07:24:00
36 MPEC 2006-Y24 DAILY ORBIT UPDATE (2006 DEC. 20 UT) 2006-12-20 07:08:00
37 MPEC 2007-C29 DAILY ORBIT UPDATE (2007 FEB. 9 UT) 2007-02-09 07:06:00
38 MPEC 2007-K07 DAILY ORBIT UPDATE (2007 MAY 18 UT) 2007-05-18 06:07:00
39 MPEC 2007-N20 DAILY ORBIT UPDATE (2007 JULY 7 UT) 2007-07-07 06:06:00
40 MPEC 2007-P04 DAILY ORBIT UPDATE (2007 AUG. 3 UT) 2007-08-03 06:07:00
41 MPEC 2007-P09 2001 DH47 2007-08-03 18:59:00 Unusual CATCH
42 MPEC 2007-P49 2007 JG43 2007-08-14 03:57:00 Unusual CATCH
43 MPEC 2007-S69 DAILY ORBIT UPDATE (2007 SEPT. 29 UT) 2007-09-29 06:06:00
44 MPEC 2007-Y42 DAILY ORBIT UPDATE (2007 DEC. 23 UT) 2007-12-23 07:07:00
45 MPEC 2008-A22 DAILY ORBIT UPDATE (2008 JAN. 4 UT) 2008-01-04 07:08:00
46 MPEC 2008-D42 DAILY ORBIT UPDATE (2008 FEB. 27 UT) 2008-02-27 07:07:00
47 MPEC 2008-E107 2008 DG5 2008-03-14 00:27:00 PHAg18 CATCH
48 MPEC 2008-G75 2008 FU6 2008-04-13 15:33:00 NEAl18 CATCH
49 MPEC 2008-J67 DAILY ORBIT UPDATE (2008 MAY 13 UT) 2008-05-13 06:07:00
50 MPEC 2008-L44 DAILY ORBIT UPDATE (2008 JUNE 10 UT) 2008-06-10 06:08:00
51 MPEC 2008-M42 2008 JF 2008-06-28 22:38:00 NEAl18 CATCH
52 MPEC 2008-N13 DAILY ORBIT UPDATE (2008 JULY 4 UT) 2008-07-04 06:07:00
53 MPEC 2008-P31 DAILY ORBIT UPDATE (2008 AUG. 6 UT) 2008-08-06 06:09:00
54 MPEC 2008-P59 2007 DU112 2008-08-12 18:09:00 Unusual CATCH
55 MPEC 2008-P64 DAILY ORBIT UPDATE (2008 AUG. 15 UT) 2008-08-15 06:10:00
56 MPEC 2009-A57 DAILY ORBIT UPDATE (2009 JAN. 10 UT) 2009-01-10 07:11:00
57 MPEC 2009-B45 DAILY ORBIT UPDATE (2009 JAN. 22 UT) 2009-01-22 07:05:00
58 MPEC 2009-C84 DAILY ORBIT UPDATE (2009 FEB. 15 UT) 2009-02-15 07:06:00
59 MPEC 2009-E42 DAILY ORBIT UPDATE (2009 MAR. 7 UT) 2009-03-07 07:11:00
60 MPEC 2009-T16 DAILY ORBIT UPDATE (2009 OCT. 7 UT) 2009-10-07 06:07:00
61 MPEC 2009-U114 2008 QB43 2009-10-27 17:09:00 TNO CATCH
62 MPEC 2009-X40 DAILY ORBIT UPDATE (2009 DEC. 12 UT) 2009-12-12 07:09:00
63 MPEC 2010-E60 2010 EK12 2010-03-12 21:04:00 NEAl18 CATCH
64 MPEC 2010-J51 DAILY ORBIT UPDATE (2010 MAY 9 UT) 2010-05-09 06:08:00
65 MPEC 2011-A48 DAILY ORBIT UPDATE (2011 JAN. 12 UT) 2011-01-12 07:11:00
66 MPEC 2011-O26 DAILY ORBIT UPDATE (2011 JULY 23 UT) 2011-07-23 07:08:00
67 MPEC 2011-O27 DAILY ORBIT UPDATE (2011 JULY 24 UT) 2011-07-24 07:08:00
68 MPEC 2011-P42 DAILY ORBIT UPDATE (2011 AUG. 10 UT) 2011-08-10 06:06:00
69 MPEC 2011-Q52 DAILY ORBIT UPDATE (2011 AUG. 30 UT) 2011-08-30 06:03:00
70 MPEC 2011-Q55 DAILY ORBIT UPDATE (2011 AUG. 31 UT) 2011-08-31 06:03:00
71 MPEC 2011-R02 DAILY ORBIT UPDATE (2011 SEPT. 1 UT) 2011-09-01 06:03:00
72 MPEC 2011-R07 DAILY ORBIT UPDATE (2011 SEPT. 2 UT) 2011-09-02 06:03:00
73 MPEC 2011-R25 DAILY ORBIT UPDATE (2011 SEPT. 7 UT) 2011-09-07 06:04:00
74 MPEC 2011-R33 DAILY ORBIT UPDATE (2011 SEPT. 9 UT) 2011-09-09 06:09:00
75 MPEC 2011-R38 DAILY ORBIT UPDATE (2011 SEPT. 10 UT) 2011-09-10 06:07:00
76 MPEC 2011-R42 DAILY ORBIT UPDATE (2011 SEPT. 13 UT) 2011-09-13 06:10:00
77 MPEC 2011-R51 DAILY ORBIT UPDATE (2011 SEPT. 14 UT) 2011-09-14 06:02:00
78 MPEC 2011-S01 DAILY ORBIT UPDATE (2011 SEPT. 16 UT) 2011-09-16 06:02:00
79 MPEC 2011-T22 DAILY ORBIT UPDATE (2011 OCT. 4 UT) 2011-10-04 06:05:00
80 MPEC 2011-T27 DAILY ORBIT UPDATE (2011 OCT. 5 UT) 2011-10-05 06:05:00
81 MPEC 2011-T33 DAILY ORBIT UPDATE (2011 OCT. 6 UT) 2011-10-06 06:05:00
82 MPEC 2011-T36 DAILY ORBIT UPDATE (2011 OCT. 7 UT) 2011-10-07 06:05:00
83 MPEC 2011-T38 DAILY ORBIT UPDATE (2011 OCT. 8 UT) 2011-10-08 06:07:00
84 MPEC 2011-V08 DAILY ORBIT UPDATE (2011 NOV. 2 UT) 2011-11-02 06:06:00
85 MPEC 2011-W46 DAILY ORBIT UPDATE (2011 NOV. 25 UT) 2011-11-25 06:05:00
86 MPEC 2011-X12 DAILY ORBIT UPDATE (2011 DEC. 2 UT) 2011-12-02 06:06:00
87 MPEC 2011-X26 DAILY ORBIT UPDATE (2011 DEC. 6 UT) 2011-12-06 06:05:00
88 MPEC 2011-X40 DAILY ORBIT UPDATE (2011 DEC. 12 UT) 2011-12-12 06:02:00
89 MPEC 2011-X41 DAILY ORBIT UPDATE (2011 DEC. 13 UT) 2011-12-13 06:02:00
90 MPEC 2011-X42 DAILY ORBIT UPDATE (2011 DEC. 14 UT) 2011-12-14 06:02:00
91 MPEC 2011-X44 DAILY ORBIT UPDATE (2011 DEC. 15 UT) 2011-12-15 06:02:00
92 MPEC 2011-Y01 DAILY ORBIT UPDATE (2011 DEC. 16 UT) 2011-12-16 06:02:00
93 MPEC 2011-Y09 DAILY ORBIT UPDATE (2011 DEC. 19 UT) 2011-12-19 06:03:00
94 MPEC 2012-A29 DAILY ORBIT UPDATE (2012 JAN. 5 UT) 2012-01-05 06:04:00
95 MPEC 2012-A51 DAILY ORBIT UPDATE (2012 JAN. 13 UT) 2012-01-13 06:03:00
96 MPEC 2012-A55 DAILY ORBIT UPDATE (2012 JAN. 14 UT) 2012-01-14 06:03:00
97 MPEC 2012-B32 DAILY ORBIT UPDATE (2012 JAN. 21 UT) 2012-01-21 06:04:00
98 MPEC 2012-B55 DAILY ORBIT UPDATE (2012 JAN. 24 UT) 2012-01-24 06:04:00
99 MPEC 2012-B59 DAILY ORBIT UPDATE (2012 JAN. 25 UT) 2012-01-25 06:04:00
100 MPEC 2012-B99 DAILY ORBIT UPDATE (2012 JAN. 30 UT) 2012-01-30 06:05:00
101 MPEC 2012-B110 DAILY ORBIT UPDATE (2012 JAN. 31 UT) 2012-01-31 06:05:00
102 MPEC 2012-C22 DAILY ORBIT UPDATE (2012 FEB. 4 UT) 2012-02-04 06:07:00
103 MPEC 2012-J03 DAILY ORBIT UPDATE (2012 MAY 1 UT) 2012-05-01 06:03:00
104 MPEC 2012-J12 DAILY ORBIT UPDATE (2012 MAY 3 UT) 2012-05-03 06:04:00
105 MPEC 2012-J15 DAILY ORBIT UPDATE (2012 MAY 4 UT) 2012-05-04 06:05:00
106 MPEC 2012-J21 DAILY ORBIT UPDATE (2012 MAY 8 UT) 2012-05-08 06:02:00
107 MPEC 2012-J24 DAILY ORBIT UPDATE (2012 MAY 9 UT) 2012-05-09 06:02:00
108 MPEC 2012-J25 DAILY ORBIT UPDATE (2012 MAY 10 UT) 2012-05-10 06:02:00
109 MPEC 2012-J30 DAILY ORBIT UPDATE (2012 MAY 11 UT) 2012-05-11 06:02:00
110 MPEC 2012-L11 DAILY ORBIT UPDATE (2012 JUNE 5 UT) 2012-06-05 06:01:00
111 MPEC 2012-N07 DAILY ORBIT UPDATE (2012 JULY 6 UT) 2012-07-06 06:01:00
112 MPEC 2012-P03 DAILY ORBIT UPDATE (2012 AUG. 3 UT) 2012-08-03 06:02:00
113 MPEC 2012-P06 2012 AE1 = 2007 HX3 2012-08-03 21:24:00 NEA (18>H>22) CATCH
114 MPEC 2012-Q58 DAILY ORBIT UPDATE (2012 AUG. 27 UT) 2012-08-27 06:03:00
115 MPEC 2012-S32 DAILY ORBIT UPDATE (2012 SEPT. 19 UT) 2012-09-19 06:02:00
116 MPEC 2012-T02 DAILY ORBIT UPDATE (2012 OCT. 2 UT) 2012-10-02 06:03:00
117 MPEC 2012-T06 DAILY ORBIT UPDATE (2012 OCT. 3 UT) 2012-10-03 06:03:00
118 MPEC 2012-T11 DAILY ORBIT UPDATE (2012 OCT. 6 UT) 2012-10-06 06:03:00
119 MPEC 2012-T48 DAILY ORBIT UPDATE (2012 OCT. 11 UT) 2012-10-11 06:04:00
120 MPEC 2012-X62 DAILY ORBIT UPDATE (2012 DEC. 12 UT) 2012-12-12 06:04:00
121 MPEC 2012-Y10 DAILY ORBIT UPDATE (2012 DEC. 20 UT) 2012-12-20 06:04:00
122 MPEC 2013-B08 DAILY ORBIT UPDATE (2013 JAN. 17 UT) 2013-01-17 06:03:00
123 MPEC 2013-C41 DAILY ORBIT UPDATE (2013 FEB. 9 UT) 2013-02-09 06:03:00
124 MPEC 2013-C53 DAILY ORBIT UPDATE (2013 FEB. 12 UT) 2013-02-12 06:04:00
125 MPEC 2013-H24 DAILY ORBIT UPDATE (2013 APR. 20 UT) 2013-04-20 06:03:00
126 MPEC 2013-J33 DAILY ORBIT UPDATE (2013 MAY 10 UT) 2013-05-10 06:04:00
127 MPEC 2013-K43 DAILY ORBIT UPDATE (2013 MAY 29 UT) 2013-05-29 06:05:00
128 MPEC 2013-O11 DAILY ORBIT UPDATE (2013 JULY 17 UT) 2013-07-17 06:03:00
129 MPEC 2013-O18 DAILY ORBIT UPDATE (2013 JULY 18 UT) 2013-07-18 06:02:00
130 MPEC 2013-O37 DAILY ORBIT UPDATE (2013 JULY 24 UT) 2013-07-24 06:01:00
131 MPEC 2013-P35 DAILY ORBIT UPDATE (2013 AUG. 6 UT) 2013-08-06 06:02:00
132 MPEC 2013-V23 DAILY ORBIT UPDATE (2013 NOV. 5 UT) 2013-11-05 06:05:00
133 MPEC 2013-W06 DAILY ORBIT UPDATE (2013 NOV. 20 UT) 2013-11-20 20:05:00
134 MPEC 2014-A06 2013 BP73 2014-01-02 15:19:00 PHAg18 CATCH
135 MPEC 2014-D58 DAILY ORBIT UPDATE (2014 FEB. 28 UT) 2014-02-28 14:21:00
136 MPEC 2014-E41 DAILY ORBIT UPDATE (2014 MAR. 6 UT) 2014-03-06 14:03:00
137 MPEC 2014-E61 DAILY ORBIT UPDATE (2014 MAR. 11 UT) 2014-03-11 14:03:00
138 MPEC 2014-F04 DAILY ORBIT UPDATE (2014 MAR. 17 UT) 2014-03-17 14:02:00
139 MPEC 2014-F32 DAILY ORBIT UPDATE (2014 MAR. 24 UT) 2014-03-24 14:02:00
140 MPEC 2014-F74 DAILY ORBIT UPDATE (2014 MAR. 30 UT) 2014-03-30 14:03:00
141 MPEC 2014-K20 DAILY ORBIT UPDATE (2014 MAY 21 UT) 2014-05-21 12:02:00
142 MPEC 2014-N37 DAILY ORBIT UPDATE (2014 JULY 6 UT) 2014-07-06 12:01:00
143 MPEC 2014-R65 DAILY ORBIT UPDATE (2014 SEPT. 7 UT) 2014-09-07 12:03:00
144 MPEC 2014-Y44 OBSERVATIONS AND ORBITS OF COMETS 2014-12-23 19:24:00 Comet CATCH
145 MPEC 2015-B148 DAILY ORBIT UPDATE (2015 JAN. 28 UT) 2015-01-28 12:07:00
146 MPEC 2015-C10 DAILY ORBIT UPDATE (2015 FEB. 4 UT) 2015-02-04 12:02:00
147 MPEC 2015-E14 OBSERVATIONS AND ORBITS OF COMETS 2015-03-03 20:57:00 Comet CATCH
148 MPEC 2015-K139 OBSERVATIONS AND ORBITS OF COMETS 2015-05-31 02:50:00 Comet CATCH
149 MPEC 2015-M15 DAILY ORBIT UPDATE (2015 JUNE 17 UT) 2015-06-17 12:03:00
150 MPEC 2015-N03 DAILY ORBIT UPDATE (2015 JULY 2 UT) 2015-07-02 12:04:00
151 MPEC 2015-N10 DAILY ORBIT UPDATE (2015 JULY 7 UT) 2015-07-07 12:01:00
152 MPEC 2015-V67 DAILY ORBIT UPDATE (2015 NOV. 7 UT) 2015-11-07 12:04:00
153 MPEC 2015-Y73 OBSERVATIONS AND ORBITS OF COMETS 2015-12-23 04:33:00 Comet CATCH
154 MPEC 2016-A03 DAILY ORBIT UPDATE (2016 JAN. 1 UT) 2016-01-01 13:02:00
155 MPEC 2016-B33 DAILY ORBIT UPDATE (2016 JAN. 19 UT) 2016-01-19 13:05:00
156 MPEC 2016-B35 DAILY ORBIT UPDATE (2016 JAN. 20 UT) 2016-01-20 13:04:00
157 MPEC 2016-B66 DAILY ORBIT UPDATE (2016 JAN. 23 UT) 2016-01-23 13:03:00
158 MPEC 2016-D32 OBSERVATIONS AND ORBITS OF COMETS 2016-02-20 14:42:00 Comet CATCH
159 MPEC 2016-E01 DAILY ORBIT UPDATE (2016 MAR. 1 UT) 2016-03-01 13:03:00
160 MPEC 2016-E160 DAILY ORBIT UPDATE (2016 MAR. 14 UT) 2016-03-14 13:05:00
161 MPEC 2016-G139 DAILY ORBIT UPDATE (2016 APR. 12 UT) 2016-04-12 12:06:00
162 MPEC 2016-L07 DAILY ORBIT UPDATE (2016 JUNE 2 UT) 2016-06-02 12:02:00
163 MPEC 2016-U66 OBSERVATIONS AND ORBITS OF COMETS 2016-10-25 19:39:00 Comet CATCH
164 MPEC 2016-X95 DAILY ORBIT UPDATE (2016 DEC. 12 UT) 2016-12-12 13:06:00
165 MPEC 2016-Y21 DAILY ORBIT UPDATE (2016 DEC. 20 UT) 2016-12-20 13:05:00
166 MPEC 2017-E59 OBSERVATIONS AND ORBITS OF COMETS 2017-03-08 23:15:00 Comet CATCH
167 MPEC 2017-R29 DAILY ORBIT UPDATE (2017 SEPT. 4 UT) 2017-09-04 12:03:00
168 MPEC 2017-R42 DAILY ORBIT UPDATE (2017 SEPT. 8 UT) 2017-09-08 12:03:00
169 MPEC 2017-S54 2010 JO179 2017-09-18 23:30:00 TNO CATCH
170 MPEC 2017-W189 DAILY ORBIT UPDATE (2017 NOV. 27 UT) 2017-11-27 13:06:00
171 MPEC 2018-B01 DAILY ORBIT UPDATE (2018 JAN. 16 UT) 2018-01-16 13:06:00
172 MPEC 2018-B16 DAILY ORBIT UPDATE (2018 JAN. 17 UT) 2018-01-17 13:06:00
173 MPEC 2018-C48 DAILY ORBIT UPDATE (2018 FEB. 10 UT) 2018-02-10 13:06:00
174 MPEC 2018-H42 DAILY ORBIT UPDATE (2018 APR. 20 UT) 2018-04-20 12:03:00
175 MPEC 2018-H104 2006 SP198 2018-04-29 16:34:00 NEA (18>H>22) CATCH
176 MPEC 2018-L39 DAILY ORBIT UPDATE (2018 JUNE 9 UT) 2018-06-09 12:03:00
177 MPEC 2019-J121 2017 WJ30 2019-05-12 19:05:00 Unusual CATCH
178 MPEC 2019-L87 DAILY ORBIT UPDATE (2019 June 10) 2019-06-10 16:43:00
179 MPEC 2019-P34 2015 TW144 2019-08-02 23:44:00 NEA (18>H>22) CATCH
180 MPEC 2019-S71 DAILY ORBIT UPDATE (2019 September 24) 2019-09-24 12:00:00
181 MPEC 2019-T76 DAILY ORBIT UPDATE (2019 October 4) 2019-10-04 12:18:00
182 MPEC 2019-X59 DAILY ORBIT UPDATE (2019 December 5) 2019-12-05 12:04:00
183 MPEC 2019-X114 DAILY ORBIT UPDATE (2019 December 12) 2019-12-12 12:03:00
184 MPEC 2019-X122 2019 SH6 2019-12-14 15:08:00 NEA (18>H>22) CATCH
185 MPEC 2020-F47 DAILY ORBIT UPDATE (2020 March 18) 2020-03-18 12:03:00
186 MPEC 2020-G65 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-04-06 04:37:00 Comet CATCH
187 MPEC 2020-H211 DAILY ORBIT UPDATE (2020 April 28) 2020-04-28 12:13:00
188 MPEC 2020-J43 DAILY ORBIT UPDATE (2020 May 6) 2020-05-06 12:04:00
189 MPEC 2020-K86 DAILY ORBIT UPDATE (2020 May 20) 2020-05-20 12:13:00
190 MPEC 2020-K92 Comet P/2020 F1 = P/2002 E4 (Leonard) 2020-05-21 01:18:00 Comet CATCH
191 MPEC 2020-L02 DAILY ORBIT UPDATE (2020 June 1) 2020-06-01 12:02:00
192 MPEC 2020-L38 DAILY ORBIT UPDATE (2020 June 10) 2020-06-10 12:02:00
193 MPEC 2020-L60 DAILY ORBIT UPDATE (2020 June 15) 2020-06-15 12:04:00
194 MPEC 2020-M79 2013 TP145 2020-06-23 03:47:00 Unusual CATCH
195 MPEC 2020-Q17 2015 DJ249 2020-08-16 16:05:00 TNO CATCH
196 MPEC 2020-Q154 DAILY ORBIT UPDATE (2020 August 22) 2020-08-22 12:12:00
197 MPEC 2020-R88 DAILY ORBIT UPDATE (2020 September 12) 2020-09-12 12:03:00
198 MPEC 2020-S253 DAILY ORBIT UPDATE (2020 September 30) 2020-09-30 12:04:00
199 MPEC 2020-W164 DAILY ORBIT UPDATE (2020 November 26) 2020-11-26 12:08:00
200 MPEC 2021-B121 DAILY ORBIT UPDATE (2021 January 23) 2021-01-23 12:02:00
201 MPEC 2021-C14 DAILY ORBIT UPDATE (2021 February 3) 2021-02-03 12:02:00
202 MPEC 2021-E109 DAILY ORBIT UPDATE (2021 March 11) 2021-03-11 12:03:00
203 MPEC 2021-F22 DAILY ORBIT UPDATE (2021 March 18) 2021-03-18 12:07:00
204 MPEC 2021-G31 DAILY ORBIT UPDATE (2021 April 4) 2021-04-04 12:05:00
205 MPEC 2021-J150 2021 GW9 2021-05-10 18:40:00 NEA (18>H>22) CATCH
206 MPEC 2021-L20 2020 SG1 2021-06-02 14:01:00 NEA (18>H>22) CATCH
207 MPEC 2021-L126 DAILY ORBIT UPDATE (2021 June 11) 2021-06-11 12:06:00
208 MPEC 2021-M13 2003 WO193 2021-06-16 17:38:00 TNO CATCH
209 MPEC 2021-M14 2003 SS422 2021-06-16 17:40:00 TNO CATCH
210 MPEC 2021-M15 2015 TQ408 2021-06-16 17:41:00 Unusual CATCH
211 MPEC 2021-M16 2013 RV128 2021-06-16 17:42:00 TNO CATCH
212 MPEC 2021-M25 2009 JE19 2021-06-16 18:57:00 Unusual CATCH
213 MPEC 2021-M26 2012 GM12 2021-06-16 18:59:00 Unusual CATCH
214 MPEC 2021-M40 2010 JB80 2021-06-18 02:37:00 Unusual CATCH
215 MPEC 2021-N95 DAILY ORBIT UPDATE (2021 July 11) 2021-07-11 12:04:00
216 MPEC 2021-N125 2021 GP72 2021-07-14 14:01:00 NEA (18>H>22) CATCH
217 MPEC 2021-N136 2013 RW128 2021-07-15 16:12:00 TNO CATCH
218 MPEC 2021-O52 DAILY ORBIT UPDATE (2021 July 26) 2021-07-26 12:01:00
219 MPEC 2021-P158 2016 CB136 2021-08-14 14:01:00 NEA (18>H>22) CATCH
220 MPEC 2021-P159 2016 WG9 2021-08-14 14:02:00 PHAg18 CATCH
221 MPEC 2021-T184 COMET P/2021 T3 (PANSTARRS) 2021-10-09 06:50:00 Comet CATCH
222 MPEC 2021-T202 DAILY ORBIT UPDATE (2021 October 10) 2021-10-10 12:21:00
223 MPEC 2021-U82 DAILY ORBIT UPDATE (2021 October 24) 2021-10-24 12:02:00
224 MPEC 2021-V33 2019 XV3 2021-11-02 14:04:00 NEA (18>H>22) CATCH
225 MPEC 2021-V193 2014 UH192 2021-11-09 19:22:00 TNO CATCH
226 MPEC 2021-W43 DAILY ORBIT UPDATE (2021 November 24) 2021-11-24 12:02:00
227 MPEC 2021-W108 DAILY ORBIT UPDATE (2021 November 29) 2021-11-29 12:09:00
228 MPEC 2021-W138 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-11-30 05:18:00 Comet CATCH
229 MPEC 2021-X48 2020 QC3 2021-12-02 14:06:00 NEA (18>H>22) CATCH
230 MPEC 2021-Y49 2020 DR2 2021-12-22 14:04:00 PHAg18 CATCH
231 MPEC 2021-Y76 DAILY ORBIT UPDATE (2021 December 31) 2021-12-31 12:01:00
232 MPEC 2022-A10 DAILY ORBIT UPDATE (2022 January 3) 2022-01-03 12:03:00
233 MPEC 2022-D10 DAILY ORBIT UPDATE (2022 February 19) 2022-02-19 12:02:00
234 MPEC 2022-E25 2021 WC8 2022-03-01 14:11:00 PHAg18 CATCH
235 MPEC 2022-E111 2001 RV143 2022-03-07 19:05:00 TNO CATCH
236 MPEC 2022-G181 2013 FM28 2022-04-13 18:08:00 TNO CATCH
237 MPEC 2022-J17 DAILY ORBIT UPDATE (2022 May 2) 2022-05-02 12:04:00
238 MPEC 2022-J100 2019 GM140 2022-05-12 15:17:00 TNO CATCH
239 MPEC 2022-L98 DAILY ORBIT UPDATE (2022 June 13) 2022-06-13 12:14:00
240 MPEC 2022-M81 COMET P/2016 PM1 = P/2010 LK36 = P/2016 MD = P/2022 C4 (WISE-PANSTARRS) 2022-06-27 02:07:00 Comet CATCH
241 MPEC 2022-M103 2006 HY122 2022-06-29 16:20:00 TNO CATCH
242 MPEC 2022-N66 2015 DW248 2022-07-10 02:37:00 TNO CATCH
243 MPEC 2022-N69 2015 DC249 2022-07-10 02:54:00 TNO CATCH
244 MPEC 2022-O07 2015 DM249 2022-07-18 18:33:00 TNO CATCH
245 MPEC 2022-O19 COMET P/2021 R9 (Sheppard-Tholen) 2022-07-22 01:43:00 Comet CATCH
246 MPEC 2022-Q13 2022 FJ4 2022-08-17 14:04:00 PHAg18 CATCH
247 MPEC 2022-R119 DAILY ORBIT UPDATE (2022 September 6) 2022-09-06 12:04:00
248 MPEC 2022-R140 DAILY ORBIT UPDATE (2022 September 9) 2022-09-09 12:06:00
249 MPEC 2022-R146 2020 QA7 2022-09-10 14:09:00 NEA (18>H>22) CATCH
250 MPEC 2022-R163 DAILY ORBIT UPDATE (2022 September 15) 2022-09-15 12:03:00
251 MPEC 2022-S02 DAILY ORBIT UPDATE (2022 September 16) 2022-09-16 12:04:00
252 MPEC 2022-S201 2021 GM16 2022-09-24 14:11:00 NEA (18>H>22) CATCH
253 MPEC 2022-S202 2021 RU9 2022-09-24 14:12:00 NEA (18>H>22) CATCH
254 MPEC 2022-S203 2022 BC3 2022-09-24 14:12:00 NEA (18>H>22) CATCH
255 MPEC 2022-T39 DAILY ORBIT UPDATE (2022 October 3) 2022-10-03 12:12:00
256 MPEC 2022-T63 DAILY ORBIT UPDATE (2022 October 4) 2022-10-04 12:15:00
257 MPEC 2022-U160 2016 FC60 2022-10-21 16:09:00 TNO CATCH
258 MPEC 2022-U161 2016 FD60 2022-10-21 16:11:00 TNO CATCH
259 MPEC 2022-U349 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-10-29 04:43:00 Comet CATCH
260 MPEC 2022-V27 2021 GV122 2022-11-01 19:00:00 TNO CATCH
261 MPEC 2022-W13 2007 BO81 2022-11-16 21:56:00 TNO CATCH
262 MPEC 2022-W17 2006 AM98 2022-11-17 00:29:00 TNO CATCH
263 MPEC 2022-W25 2007 CJ66 2022-11-17 03:36:00 TNO CATCH
264 MPEC 2023-B11 DAILY ORBIT UPDATE (2023 January 17) 2023-01-17 12:07:00
265 MPEC 2023-H73 2022 NB1 2023-04-18 14:14:00 NEA (18>H>22) CATCH
266 MPEC 2023-H103 DAILY ORBIT UPDATE (2023 April 19) 2023-04-19 12:16:00
267 MPEC 2023-K15 2010 VE21 2023-05-16 14:44:00 Unusual CATCH
268 MPEC 2023-K193 2022 LK16 2023-05-30 02:34:00 TNO CATCH
269 MPEC 2023-Q157 2010 RJ226 2023-08-28 15:39:00 Unusual CATCH
270 MPEC 2023-U276 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-10-29 08:53:00 Comet CATCH
271 MPEC 2023-W160 2023 FS14 2023-11-30 18:58:00 PHAg18 CATCH
272 MPEC 2023-Y66 2023 LS1 2023-12-20 14:09:00 NEA (18>H>22) CATCH
273 MPEC 2024-B10 2017 FF226 2024-01-16 18:36:00 TNO CATCH
274 MPEC 2024-B96 2014 MC6 2024-01-23 14:23:00 NEA (18>H>22) CATCH
275 MPEC 2024-B112 2023 RZ10 2024-01-23 14:40:00 NEA (18>H>22) CATCH
276 MPEC 2024-B124 2015 DO155 2024-01-24 14:13:00 NEA (18>H>22) CATCH
277 MPEC 2024-B149 DAILY ORBIT UPDATE (2024 January 29) 2024-01-29 12:02:00
278 MPEC 2024-D137 2015 DX248 2024-02-29 13:17:00 TNO CATCH
279 MPEC 2024-D139 2009 JB19 2024-02-29 13:26:00 TNO CATCH
280 MPEC 2024-J127 2019 AU138 2024-05-08 02:42:00 TNO CATCH
281 MPEC 2024-L121 2017 DY166 2024-06-11 16:58:00 TNO CATCH
282 MPEC 2024-U268 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-10-31 19:48:00 Comet CATCH
283 MPEC 2024-V146 2024 HG1 2024-11-11 14:15:00 NEA (18>H>22) CATCH
284 MPEC 2024-W04 2023 LM2 2024-11-16 14:18:00 NEA (18>H>22) CATCH
285 MPEC 2024-W23 2001 RR158 2024-11-20 14:19:00 Unusual CATCH
286 MPEC 2025-A33 2024 QA3 2025-01-02 14:14:00 NEA (18>H>22) CATCH
287 MPEC 2025-A64 2020 JL3 2025-01-04 15:03:00 NEA (18>H>22) CATCH
288 MPEC 2025-B06 2024 TQ8 2025-01-17 14:12:00 NEA (H>22) CATCH
289 MPEC 2025-B08 DAILY ORBIT UPDATE (2025 January 18) 2025-01-18 12:03:00
290 MPEC 2025-B72 2021 XK5 2025-01-23 14:13:00 NEA (18>H>22) CATCH
291 MPEC 2025-B94 DAILY ORBIT UPDATE (2025 January 24) 2025-01-24 12:13:00
292 MPEC 2025-B100 2024 YU4 2025-01-24 14:17:00 PHAg18 CATCH
293 MPEC 2025-B186 DAILY ORBIT UPDATE (2025 January 31) 2025-01-31 12:25:00
294 MPEC 2025-C05 2022 SX21 2025-02-01 14:12:00 NEA (18>H>22) CATCH
295 MPEC 2025-C06 2022 UZ3 2025-02-01 14:13:00 NEA (18>H>22) CATCH
296 MPEC 2025-D42 DAILY ORBIT UPDATE (2025 February 20) 2025-02-20 12:10:00
297 MPEC 2025-D75 DAILY ORBIT UPDATE (2025 February 22) 2025-02-22 12:15:00
298 MPEC 2025-D223 DAILY ORBIT UPDATE (2025 February 27) 2025-02-27 12:22:00
299 MPEC 2025-E149 DAILY ORBIT UPDATE (2025 March 11) 2025-03-11 12:23:00
300 MPEC 2025-E168 DAILY ORBIT UPDATE (2025 March 14) 2025-03-14 12:03:00
301 MPEC 2025-E170 DAILY ORBIT UPDATE (2025 March 15) 2025-03-15 12:01:00
302 MPEC 2025-F56 2025 AS1 2025-03-22 14:15:00 NEA (18>H>22) CATCH
303 MPEC 2025-G63 DAILY ORBIT UPDATE (2025 April 4) 2025-04-04 12:37:00
304 MPEC 2025-J47 2023 HR6 2025-05-05 14:14:00 NEA (18>H>22) CATCH
305 MPEC 2025-S234 2023 UO1 2025-09-25 14:48:00 NEA (18>H>22) CATCH

List of Observers

Observer Group Total MPECs
J.Piraux 36
Sloan Digital Sky Survey Collaboration 23
SDSS Collaboration 12
J.Piraux, SDSS Collaboration 8
S.Digital Sky Survey Collaboration 7
Individual Observer Total MPECs
J.Piraux 44
Sloan Digital Sky Survey Collaboration 23
SDSS Collaboration 20
S.Digital Sky Survey Collaboration 7

List of Measurers

Measurer Group Total MPECs
S.Deen 334
K.Ly 26
M.Juric, R.H.Lupton, S.Tabachnik, T.Quinn, Z.Ivezic 14
A.De Dios Cubillas, A.Velasco, C.Chacon Suarez, C.Garrido, C.Rey Rodriguez, C.Rodrigo, D.Pustejovsky Carrillo, E.J.Perez Rodriguez, E.Solano, F.Arias Arias, F.Barnes Sanchez, F.J.Benarque Fonseca, I.Rodriguez Jauregui, J.A.Izquierdo, J.De La Cal Santamarta, J.De Mula Y Gonzalez De Riancho, J.Delpech, J.L.Moreno Diaz, J.L.Permuy Palomo, J.M.Pina OrduNa, J.Murcia Rocha, J.Piraux, J.R.Vidal Blanco, L.Da Silva Evora, L.Gonzalez Lorenzo, M.Gambero Hernandez, M.Garcia-vino Sanchez, M.Rocher, M.Vazquez Munoz, N.Huelamo Bautista, N.Mouchout, P.Jordi, P.Mir Hosseini, R.Martin Lopez, S.De Napoli Cocci, S.Monino Romero, S.Munoz Torres 13
J.Piraux, M.Juric, R.H.Lupton, S.Tabachnik, T.Quinn, Z.Ivezic 8
A.De Dios Cubillas, A.Velasco, C.Chacon Suarez, C.Garrido, C.Rey Rodriguez, C.Rodrigo, D.Pustejovsky Carrillo, E.J.Perez Rodriguez, E.Solano, F.Arias Arias, F.Barnes Sanchez, F.J.Benarque Fonseca, I.Rodriguez Jauregui, J.A.Izquierdo, J.De La Cal Santamarta, J.De Mula Y Gonzalez De Riancho, J.Delpech, J.L.Moreno Diaz, J.L.Permuy Palomo, J.M.Pina OrduNa, J.Murcia Rocha, J.Piraux, J.R.Vidal Blanco, L.Da Silva Evora, L.Gonzalez Lorenzo, M.Gambero Hernandez, M.Garcia-vino Sanchez, M.Rocher, M.Vazquez Munoz, N.Huelamo Bautista, N.Mouchout, P.Jordi, P.Mir Hosseini, R.Martin Lopez, S.De Napoli Cocci, S.Deen, S.Monino Romero, S.Munoz Torres 7
S.Kurti 6
M.Juric, R.Lupton, S.Tabachnik, T.Quinn, Z.Ivezic 4
H.H.Hsieh, M.Micheli 4
M.T.Bannister, P.Lacerda, W.C.Fraser 4
M.Micheli 3
A.Del Castillo, A.Deza Portero, A.Garijo Martinez, C.A.Garrido Lopez, C.De Diego Garcia, C.Godina Minana, E.Arredondo Pi, E.Galvez Ranera, E.Garcia Del Moral, E.Gomez Fernandez, F.Arias Arias, F.Cabello, F.Garcia De La Cuesta, F.Garcia Marin, F.Gutierre, J.C.Cabrera Garcia, J.M.De La Osa Lopez, M.A.Fernandez Muros, M.A.Gomez Sanchez-Tirado, M.Fernandez Hergueta, M.Gomez Florez, P.L.Gonzalez, V.Bibe 2
Individual Measurer Total MPECs
S.Deen 341
J.Piraux 28
M.Juric 26
S.Tabachnik 26
T.Quinn 26
Z.Ivezic 26
K.Ly 26
F.Arias Arias 22
R.H.Lupton 22
A.De Dios Cubillas 20
A.Velasco 20
C.Chacon Suarez 20
C.Garrido 20
C.Rey Rodriguez 20
C.Rodrigo 20
D.Pustejovsky Carrillo 20
E.J.Perez Rodriguez 20
E.Solano 20
F.Barnes Sanchez 20
F.J.Benarque Fonseca 20
I.Rodriguez Jauregui 20
J.A.Izquierdo 20
J.De La Cal Santamarta 20
J.De Mula Y Gonzalez De Riancho 20
J.Delpech 20
J.L.Moreno Diaz 20
J.L.Permuy Palomo 20
J.M.Pina OrduNa 20
J.Murcia Rocha 20
J.R.Vidal Blanco 20
L.Da Silva Evora 20
L.Gonzalez Lorenzo 20
M.Gambero Hernandez 20
M.Garcia-vino Sanchez 20
M.Rocher 20
M.Vazquez Munoz 20
N.Huelamo Bautista 20
N.Mouchout 20
P.Jordi 20
P.Mir Hosseini 20
R.Martin Lopez 20
S.De Napoli Cocci 20
S.Monino Romero 20
S.Munoz Torres 20
M.Micheli 7
S.Kurti 6
R.Lupton 4
H.H.Hsieh 4
M.T.Bannister 4
P.Lacerda 4
W.C.Fraser 4
A.Del Castillo 2
A.Deza Portero 2
A.Garijo Martinez 2
C.A.Garrido Lopez 2
C.De Diego Garcia 2
C.Godina Minana 2
E.Arredondo Pi 2
E.Galvez Ranera 2
E.Garcia Del Moral 2
E.Gomez Fernandez 2
F.Cabello 2
F.Garcia De La Cuesta 2
F.Garcia Marin 2
F.Gutierre 2
J.C.Cabrera Garcia 2
J.M.De La Osa Lopez 2
M.A.Fernandez Muros 2
M.A.Gomez Sanchez-Tirado 2
M.Fernandez Hergueta 2
M.Gomez Florez 2
P.L.Gonzalez 2
V.Bibe 2

List of Facilities

Facilities Count
2.5-m SDSS Telescope + SDSS camera 23
2.50-m reflector + CCD 27
2.5-m reflector + CCD 345
2.5-m f/5 Ritchey-Chretien + CCD 6
2.5-m reflector + CCD NET Gaia EDR3 3
2.50-m reflector + CCD, 2.5-m reflector + CCD 7
2.50-m f/5 reflector + CCD 36
2.50-m reflector + CCD, 2.50-m f/5 reflector + CCD 8