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