W57 ESA TBT La Silla Observatory

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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	52	0	2	12	21	0	0	0	17	0
2024	35	0	4	7	7	0	0	0	15	2
2023	60	0	0	10	23	0	0	0	23	4
2022	1	0	0	0	1	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

List of Individual MPECs

Index	Name	Date/Time	Discoverer	First-responding Confirmer	Object Type	Search Archival Image
1	MPEC 2022-Y119 DAILY ORBIT UPDATE (2022 December 24)	2022-12-24 12:04:00
2	MPEC 2023-A67 DAILY ORBIT UPDATE (2023 January 15)	2023-01-15 12:06:00
3	MPEC 2023-B21 DAILY ORBIT UPDATE (2023 January 18)	2023-01-18 12:08:00
4	MPEC 2023-B211 DAILY ORBIT UPDATE (2023 January 31)	2023-01-31 12:04:00
5	MPEC 2023-D49 COMET C/2023 A2 (SWAN)	2023-02-23 08:15:00			Comet	CATCH
6	MPEC 2023-D55 DAILY ORBIT UPDATE (2023 February 24)	2023-02-24 12:28:00
7	MPEC 2023-D56 2020 DG4	2023-02-24 13:28:00			NEA (H>22)	CATCH
8	MPEC 2023-D77 COMET C/2023 A3 (Tsuchinshan-ATLAS)	2023-02-28 23:54:00			Comet	CATCH
9	MPEC 2023-J77 DAILY ORBIT UPDATE (2023 May 10)	2023-05-10 12:06:00
10	MPEC 2023-J128 DAILY ORBIT UPDATE (2023 May 13)	2023-05-13 12:02:00
11	MPEC 2023-K11 2023 JK3	2023-05-16 11:42:00		✓	NEA (H>22)	CATCH
12	MPEC 2023-K12 DAILY ORBIT UPDATE (2023 May 16)	2023-05-16 12:05:00
13	MPEC 2023-K60 2023 KF	2023-05-20 16:07:00		✓	NEA (H>22)	CATCH
14	MPEC 2023-K75 2023 KR	2023-05-21 13:48:00		✓	NEA (H>22)	CATCH
15	MPEC 2023-K173 2023 KY3	2023-05-29 00:24:00			NEA (H>22)	CATCH
16	MPEC 2023-K178 2023 KD4	2023-05-29 00:32:00			NEA (H>22)	CATCH
17	MPEC 2023-K200 DAILY ORBIT UPDATE (2023 May 30)	2023-05-30 12:05:00
18	MPEC 2023-K203 2023 KE5	2023-05-30 22:29:00			NEA (H>22)	CATCH
19	MPEC 2023-K204 DAILY ORBIT UPDATE (2023 May 31)	2023-05-31 12:05:00
20	MPEC 2023-L19 COMET C/2023 K1 (ATLAS)	2023-06-05 19:31:00			Comet	CATCH
21	MPEC 2023-L21 DAILY ORBIT UPDATE (2023 June 6)	2023-06-06 12:06:00
22	MPEC 2023-L47 DAILY ORBIT UPDATE (2023 June 10)	2023-06-10 12:09:00
23	MPEC 2023-L67 COMET P/2008 L2 = P/2023 L1 (Hill)	2023-06-12 22:49:00			Comet	CATCH
24	MPEC 2023-L69 DAILY ORBIT UPDATE (2023 June 13)	2023-06-13 12:12:00
25	MPEC 2023-M08 2023 LV1	2023-06-16 11:49:00			PHAg18	CATCH
26	MPEC 2023-M11 2022 MM1	2023-06-16 14:08:00			NEA (H>22)	CATCH
27	MPEC 2023-M14 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS	2023-06-17 00:45:00			Comet	CATCH
28	MPEC 2023-M26 2015 MT200	2023-06-17 14:08:00			NEA (H>22)	CATCH
29	MPEC 2023-M29 2023 MD	2023-06-18 05:46:00		✓	NEA (H>22)	CATCH
30	MPEC 2023-M35 DAILY ORBIT UPDATE (2023 June 18)	2023-06-18 12:28:00
31	MPEC 2023-M50 DAILY ORBIT UPDATE (2023 June 19)	2023-06-19 12:31:00
32	MPEC 2023-M162 2010 AN2	2023-06-29 14:07:00			NEA (H>22)	CATCH
33	MPEC 2023-N06 2023 MF6	2023-07-02 11:58:00			NEA (H>22)	CATCH
34	MPEC 2023-N08 2023 MG6	2023-07-02 22:23:00			PHAg18	CATCH
35	MPEC 2023-O35 2016 AW65	2023-07-19 14:06:00			NEA (H>22)	CATCH
36	MPEC 2023-O36 2020 OP	2023-07-19 14:07:00			PHAg18	CATCH
37	MPEC 2023-O41 2010 TJ167	2023-07-20 14:56:00			NEA (18>H>22)	CATCH
38	MPEC 2023-O44 2023 OV	2023-07-21 00:18:00			NEA (18>H>22)	CATCH
39	MPEC 2023-O65 DAILY ORBIT UPDATE (2023 July 24)	2023-07-24 12:08:00
40	MPEC 2023-O75 2023 OV1	2023-07-25 11:55:00			NEA (H>22)	CATCH
41	MPEC 2023-O95 2023 OR3	2023-07-27 17:43:00			NEA (H>22)	CATCH
42	MPEC 2023-O97 2023 OU3	2023-07-27 19:57:00			NEA (H>22)	CATCH
43	MPEC 2023-O98 2023 OV3	2023-07-27 20:00:00			NEA (18>H>22)	CATCH
44	MPEC 2023-Q12 2023 QC	2023-08-18 11:57:00			NEA (H>22)	CATCH
45	MPEC 2023-Q13 DAILY ORBIT UPDATE (2023 August 18)	2023-08-18 12:02:00
46	MPEC 2023-Q21 DAILY ORBIT UPDATE (2023 August 19)	2023-08-19 12:02:00
47	MPEC 2023-Q23 2010 UY6	2023-08-19 14:06:00			PHAg18	CATCH
48	MPEC 2023-Q28 2023 QN	2023-08-19 20:15:00			NEA (18>H>22)	CATCH
49	MPEC 2023-U124 DAILY ORBIT UPDATE (2023 October 20)	2023-10-20 12:03:00
50	MPEC 2023-U272 DAILY ORBIT UPDATE (2023 October 27)	2023-10-27 12:20:00
51	MPEC 2023-U274 DAILY ORBIT UPDATE (2023 October 28)	2023-10-28 12:16:00
52	MPEC 2023-V42 DAILY ORBIT UPDATE (2023 November 5)	2023-11-05 12:07:00
53	MPEC 2023-V50 2023 VF1	2023-11-05 16:56:00			PHAg18	CATCH
54	MPEC 2023-V115 DAILY ORBIT UPDATE (2023 November 8)	2023-11-08 12:13:00
55	MPEC 2023-V234 2018 VN7	2023-11-13 15:52:00			NEA (H>22)	CATCH
56	MPEC 2023-W11 2023 VH10	2023-11-16 23:44:00			NEA (H>22)	CATCH
57	MPEC 2023-W85 DAILY ORBIT UPDATE (2023 November 22)	2023-11-22 12:06:00
58	MPEC 2024-B91 DAILY ORBIT UPDATE (2024 January 22)	2024-01-22 12:38:00
59	MPEC 2024-B93 COMET P/2004 DO29 = P/2023 V7 (Spacewatch-LINEAR)	2024-01-22 22:35:00			Comet	CATCH
60	MPEC 2024-E193 2024 EL4	2024-03-15 16:19:00	✓		NEA (H>22)	CATCH
61	MPEC 2024-F02 DAILY ORBIT UPDATE (2024 March 16)	2024-03-16 12:01:00
62	MPEC 2024-F57 2024 FS1	2024-03-21 09:06:00	✓		NEA (H>22)	CATCH
63	MPEC 2024-F95 2024 FX2	2024-03-28 20:56:00	✓		NEA (H>22)	CATCH
64	MPEC 2024-S116 2024 RV50	2024-09-27 11:33:00			PHAg18	CATCH
65	MPEC 2024-S117 DAILY ORBIT UPDATE (2024 September 27)	2024-09-27 12:17:00
66	MPEC 2024-T18 2020 TS2	2024-10-01 14:15:00			NEA (18>H>22)	CATCH
67	MPEC 2024-T42 C/2023 A3 (Tsuchinshan-ATLAS)	2024-10-02 19:55:00			Comet	CATCH
68	MPEC 2024-T138 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS	2024-10-06 05:57:00			Comet	CATCH
69	MPEC 2024-T285 2023 UN9	2024-10-13 14:14:00			NEA (18>H>22)	CATCH
70	MPEC 2024-U02 2024 TK21	2024-10-16 08:26:00			NEA (H>22)	CATCH
71	MPEC 2024-U13 2024 TB22	2024-10-17 20:40:00			PHAg18	CATCH
72	MPEC 2024-U15 DAILY ORBIT UPDATE (2024 October 18)	2024-10-18 12:09:00
73	MPEC 2024-U16 COMET P/2024 T2 (Rankin)	2024-10-19 02:46:00			Comet	CATCH
74	MPEC 2024-U17 COMET C/2024 T3 (PANSTARRS)	2024-10-19 03:18:00			Comet	CATCH
75	MPEC 2024-U18 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS	2024-10-19 06:54:00			Comet	CATCH
76	MPEC 2024-U60 2024 UA1	2024-10-24 07:36:00			NEA (H>22)	CATCH
77	MPEC 2024-U93 DAILY ORBIT UPDATE (2024 October 25)	2024-10-25 12:22:00
78	MPEC 2024-U100 2024 UN2	2024-10-25 16:12:00		✓	NEA (H>22)	CATCH
79	MPEC 2024-U221 2024 UT7	2024-10-29 23:16:00	✓		NEA (H>22)	CATCH
80	MPEC 2024-V14 2024 US11	2024-11-01 10:44:00			NEA (H>22)	CATCH
81	MPEC 2024-V81 COMET C/2024 U1 (PANSTARRS)	2024-11-05 19:26:00			Comet	CATCH
82	MPEC 2024-V85 2024 VO1	2024-11-06 13:14:00			NEA (H>22)	CATCH
83	MPEC 2024-V97 COMET C/2024 T5 (ATLAS)	2024-11-07 19:13:00			Comet	CATCH
84	MPEC 2024-W21 2019 WM3	2024-11-20 14:13:00			NEA (18>H>22)	CATCH
85	MPEC 2024-W86 2024 WR1	2024-11-24 03:26:00		✓	NEA (H>22)	CATCH
86	MPEC 2024-W174 2024 WU5	2024-11-29 08:46:00			NEA (H>22)	CATCH
87	MPEC 2024-X35 DAILY ORBIT UPDATE (2024 December 2)	2024-12-02 12:26:00
88	MPEC 2024-X47 2024 XM	2024-12-02 21:19:00			NEA (H>22)	CATCH
89	MPEC 2024-X61 DAILY ORBIT UPDATE (2024 December 3)	2024-12-03 12:30:00
90	MPEC 2024-X86 2024 XR1	2024-12-04 07:09:00			NEA (H>22)	CATCH
91	MPEC 2025-C164 DAILY ORBIT UPDATE (2025 February 13)	2025-02-13 12:47:00
92	MPEC 2025-C171 DAILY ORBIT UPDATE (2025 February 15)	2025-02-15 12:05:00
93	MPEC 2025-D07 DAILY ORBIT UPDATE (2025 February 17)	2025-02-17 12:05:00
94	MPEC 2025-D09 2025 DB	2025-02-17 21:56:00			NEA (H>22)	CATCH
95	MPEC 2025-D12 DAILY ORBIT UPDATE (2025 February 18)	2025-02-18 12:07:00
96	MPEC 2025-D13 2025 DE	2025-02-18 13:33:00			NEA (H>22)	CATCH
97	MPEC 2025-D34 2025 DS	2025-02-19 20:16:00			NEA (H>22)	CATCH
98	MPEC 2025-E18 2023 RW3	2025-03-01 14:13:00			NEA (H>22)	CATCH
99	MPEC 2025-E98 DAILY ORBIT UPDATE (2025 March 5)	2025-03-05 12:28:00
100	MPEC 2025-E127 DAILY ORBIT UPDATE (2025 March 7)	2025-03-07 12:06:00
101	MPEC 2025-E164 DAILY ORBIT UPDATE (2025 March 13)	2025-03-13 12:02:00
102	MPEC 2025-F10 DAILY ORBIT UPDATE (2025 March 19)	2025-03-19 12:04:00
103	MPEC 2025-F18 DAILY ORBIT UPDATE (2025 March 20)	2025-03-20 12:05:00
104	MPEC 2025-F28 2025 FO	2025-03-20 21:06:00			NEA (H>22)	CATCH
105	MPEC 2025-F102 DAILY ORBIT UPDATE (2025 March 24)	2025-03-24 12:13:00
106	MPEC 2025-F106 2012 FZ44	2025-03-24 14:12:00			NEA (18>H>22)	CATCH
107	MPEC 2025-F117 2007 EJ88	2025-03-24 17:39:00			NEA (H>22)	CATCH
108	MPEC 2025-F120 2025 FS5	2025-03-24 17:58:00			NEA (H>22)	CATCH
109	MPEC 2025-F124 2025 FV5	2025-03-24 22:36:00			NEA (H>22)	CATCH
110	MPEC 2025-F138 2025 FM6	2025-03-25 11:42:00			NEA (H>22)	CATCH
111	MPEC 2025-F142 2025 FP6	2025-03-25 11:46:00			NEA (H>22)	CATCH
112	MPEC 2025-F153 2023 TL4	2025-03-25 14:14:00			PHAg18	CATCH
113	MPEC 2025-G03 COMET C/2025 F1 (ATLAS)	2025-04-01 02:16:00			Comet	CATCH
114	MPEC 2025-G08 DAILY ORBIT UPDATE (2025 April 1)	2025-04-01 12:33:00
115	MPEC 2025-G107 DAILY ORBIT UPDATE (2025 April 9)	2025-04-09 12:41:00
116	MPEC 2025-G117 DAILY ORBIT UPDATE (2025 April 11)	2025-04-11 12:02:00
117	MPEC 2025-G122 DAILY ORBIT UPDATE (2025 April 12)	2025-04-12 12:02:00
118	MPEC 2025-H11 DAILY ORBIT UPDATE (2025 April 18)	2025-04-18 12:06:00
119	MPEC 2025-H26 2021 LM1	2025-04-19 14:11:00			NEA (18>H>22)	CATCH
120	MPEC 2025-H95 2025 HS1	2025-04-23 20:46:00	✓		NEA (H>22)	CATCH
121	MPEC 2025-H107 2025 HC2	2025-04-24 07:16:00			NEA (H>22)	CATCH
122	MPEC 2025-J57 2024 JR16	2025-05-06 14:13:00			PHAg18	CATCH
123	MPEC 2025-J83 2020 QN3	2025-05-11 14:12:00			NEA (18>H>22)	CATCH
124	MPEC 2025-J84 2021 VO7	2025-05-11 14:13:00			NEA (18>H>22)	CATCH
125	MPEC 2025-J87 DAILY ORBIT UPDATE (2025 May 13)	2025-05-13 12:20:00
126	MPEC 2025-K29 2025 KU	2025-05-21 08:16:00			NEA (H>22)	CATCH
127	MPEC 2025-K72 DAILY ORBIT UPDATE (2025 May 24)	2025-05-24 12:04:00
128	MPEC 2025-K110 COMET C/2025 K1 (ATLAS)	2025-05-27 17:45:00			Comet	CATCH
129	MPEC 2025-L37 2025 LH	2025-06-05 17:30:00			NEA (H>22)	CATCH
130	MPEC 2025-M43 2025 MY	2025-06-20 20:46:00			NEA (18>H>22)	CATCH
131	MPEC 2025-M54 2018 TC6	2025-06-21 14:15:00			NEA (18>H>22)	CATCH
132	MPEC 2025-M59 2025 MP1	2025-06-22 01:42:00			NEA (H>22)	CATCH
133	MPEC 2025-M120 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS	2025-06-26 16:33:00			Comet	CATCH
134	MPEC 2025-M157 2025 ML90	2025-06-30 10:29:00	✓		NEA (18>H>22)	CATCH
135	MPEC 2025-N12 3I/ATLAS = C/2025 N1 (ATLAS)	2025-07-02 21:31:00			Comet	CATCH
136	MPEC 2025-N32 DAILY ORBIT UPDATE (2025 July 4)	2025-07-04 12:06:00
137	MPEC 2025-N43 2018 LU15	2025-07-05 14:15:00			NEA (H>22)	CATCH
138	MPEC 2025-N90 DAILY ORBIT UPDATE (2025 July 12)	2025-07-12 12:15:00
139	MPEC 2025-O25 2025 NZ1	2025-07-19 15:43:00			NEA (18>H>22)	CATCH
140	MPEC 2025-O26 2025 OO	2025-07-19 21:16:00			NEA (H>22)	CATCH
141	MPEC 2025-R74 DAILY ORBIT UPDATE (2025 September 11)	2025-09-11 12:45:00
142	MPEC 2025-S53 DAILY ORBIT UPDATE (2025 September 17)	2025-09-17 12:13:00

List of Observers

Observer Group	Total MPECs
F.Ocana, L.Conversi, M.Micheli, R.Kresken	169
E.Alonso-Peleato, F.Ocana, L.Conversi, M.Micheli, R.Kresken	34
C.Drury, D.Fohring, D.Oliviero, E.Alonso-Peleato, E.Doelling, F.Gianotto, F.Ocana, J.L.Cano, L.Conversi, L.Faggioli, M.Devogele, M.Fenucci, M.Fruhauf, M.Micheli, M.Revellino, P.Ramirez-Moreta, R.Kresken, R.Moissl, R.Rudawska, S.Machnitzky, T.Hoffmann	9
D.Fohring, F.Ocana, L.Conversi, M.Devogele, M.Micheli, R.Kresken, T.Santana-Ros	6
D.Fohring, F.Ocana, L.Convers, M.Devogele, M.Micheli, R.Kresken	6
A.Porru, C.Drury, D.Fohring, D.Oliviero, E.Doelling, F.Gianotto, F.Ocana, G.Di Girolamo, J.L.Cano, L.Conversi, L.Faggioli, L.Gisolfi, M.Devogele, M.Fenucci, M.Micheli, P.Ramirez-Moreta, R.Kresken, R.Moissl, R.Rudawska	4
F.Gianotto, F.Ocana, L.Conversi, M.Micheli, R.Kresken, R.Moissl	3
A.Porru, C.Drury, D.Fohring, D.Oliviero, E.Doelling, F.Gianotto, F.Ocana, G.Di Girolamo, J.L.Cano, L.Conversi, L.Faggioli, L.Gisolfi, M.Devogele, M.Fenucci, M.Micheli, R.Kresken, R.Moissl, R.Rudawska	3
D.Fohring, F.Ocana, L.Conversi, M.Devogele, M.Micheli, R.Kresken	3
F.Ocana, J.L.Cano, L.Conversi, M.Micheli, R.Kresken	2
E.Schwab, F.Ocana, L.Conversi, M.Micheli, R.Kresken	1

Individual Observer	Total MPECs
F.Ocana	240
M.Micheli	240
R.Kresken	240
L.Conversi	234
E.Alonso-Peleato	43
D.Fohring	31
M.Devogele	31
F.Gianotto	19
R.Moissl	19
J.L.Cano	18
C.Drury	16
D.Oliviero	16
E.Doelling	16
L.Faggioli	16
M.Fenucci	16
R.Rudawska	16
P.Ramirez-Moreta	13
M.Fruhauf	9
M.Revellino	9
S.Machnitzky	9
T.Hoffmann	9
A.Porru	7
G.Di Girolamo	7
L.Gisolfi	7
T.Santana-Ros	6
L.Convers	6
E.Schwab	1

List of Measurers

Measurer Group	Total MPECs
F.Ocana, M.Micheli	172
D.Fohring, F.Ocana, M.Micheli, R.Kresken	31
F.Ocana, M.Micheli, R.Kresken	21
M.Micheli	8
D.Fohring, F.Ocana, M.Devogele, M.Micheli, R.Kresken	3
F.Ocana, L.Conversi, M.Micheli	3
F.Ocana	2

Individual Measurer	Total MPECs
M.Micheli	238
F.Ocana	232
R.Kresken	55
D.Fohring	34
M.Devogele	3
L.Conversi	3

List of Facilities

Facilities	Count
0.56-m f/2.52 astrograph prime-focus corrector + 4K CCD	231
4K CCD	9