I40 La Silla--TRAPPIST

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 Orbit Update DOU List Update Retraction Other Follow-Up First Follow-Up
2025 3 0 0 1 2 0 0 0 0 0
2024 1 0 0 0 1 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 9 0 0 9 0 0 0 0 0 0
2015 0 0 0 0 0 0 0 0 0 0
2014 1 0 0 1 0 0 0 0 0 0
2013 0 0 0 0 0 0 0 0 0 0
2012 6 0 0 4 2 0 0 0 0 0
2011 14 0 0 13 1 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 2011-D06 OBSERVATIONS AND ORBITS OF COMETS 2011-02-16 16:27:00 Comet CATCH
2 MPEC 2011-D36 OBSERVATIONS AND ORBITS OF COMETS 2011-02-24 18:24:00 Comet CATCH
3 MPEC 2011-G58 OBSERVATIONS AND ORBITS OF COMETS 2011-04-08 16:46:00 Comet CATCH
4 MPEC 2011-G90 OBSERVATIONS AND ORBITS OF COMETS 2011-04-15 16:53:00 Comet CATCH
5 MPEC 2011-H21 DAILY ORBIT UPDATE (2011 APR. 22 UT) 2011-04-22 07:06:00
6 MPEC 2011-J52 OBSERVATIONS AND ORBITS OF COMETS 2011-05-14 19:07:00 Comet CATCH
7 MPEC 2011-L51 OBSERVATIONS AND ORBITS OF COMETS 2011-06-12 20:06:00 Comet CATCH
8 MPEC 2011-M11 OBSERVATIONS AND ORBITS OF COMETS 2011-06-17 17:30:00 Comet CATCH
9 MPEC 2011-N13 OBSERVATIONS AND ORBITS OF COMETS 2011-07-02 21:04:00 Comet CATCH
10 MPEC 2011-P11 COMET 45P/HONDA-MRKOS-PAJDUSAKOVA 2011-08-03 22:48:00 Comet CATCH
11 MPEC 2011-P23 OBSERVATIONS AND ORBITS OF COMETS 2011-08-05 17:04:00 Comet CATCH
12 MPEC 2011-S03 OBSERVATIONS AND ORBITS OF COMETS 2011-09-16 17:29:00 Comet CATCH
13 MPEC 2011-U42 OBSERVATIONS AND ORBITS OF COMETS 2011-10-21 16:51:00 Comet CATCH
14 MPEC 2011-V31 OBSERVATIONS AND ORBITS OF COMETS 2011-11-07 23:15:00 Comet CATCH
15 MPEC 2012-A39 DAILY ORBIT UPDATE (2012 JAN. 8 UT) 2012-01-08 06:03:00
16 MPEC 2012-A52 OBSERVATIONS AND ORBITS OF COMETS 2012-01-13 15:55:00 Comet CATCH
17 MPEC 2012-B23 OBSERVATIONS AND ORBITS OF COMETS 2012-01-20 17:34:00 Comet CATCH
18 MPEC 2012-B78 OBSERVATIONS AND ORBITS OF COMETS 2012-01-28 03:04:00 Comet CATCH
19 MPEC 2012-C36 DAILY ORBIT UPDATE (2012 FEB. 9 UT) 2012-02-09 06:02:00
20 MPEC 2012-D09 OBSERVATIONS AND ORBITS OF COMETS 2012-02-17 18:06:00 Comet CATCH
21 MPEC 2014-L52 OBSERVATIONS AND ORBITS OF COMETS 2014-06-10 19:22:00 Comet CATCH
22 MPEC 2016-D09 COMET P/2010 V1 = 2015 Y2 (Ikeya-Murakami) 2016-02-16 18:50:00 Comet CATCH
23 MPEC 2016-D32 OBSERVATIONS AND ORBITS OF COMETS 2016-02-20 14:42:00 Comet CATCH
24 MPEC 2016-E130 332P/Ikeya-Murakami 2016-03-12 19:51:00 Unusual CATCH
25 MPEC 2016-E134 COMET C/2015 X4 (ELENIN) 2016-03-12 21:18:00 Comet CATCH
26 MPEC 2016-F43 OBSERVATIONS AND ORBITS OF COMETS 2016-03-21 10:45:00 Comet CATCH
27 MPEC 2016-H35 OBSERVATIONS AND ORBITS OF COMETS 2016-04-21 10:14:00 Comet CATCH
28 MPEC 2016-M09 OBSERVATIONS AND ORBITS OF COMETS 2016-06-17 18:29:00 Comet CATCH
29 MPEC 2016-N16 OBSERVATIONS AND ORBITS OF COMETS 2016-07-03 21:47:00 Comet CATCH
30 MPEC 2016-U66 OBSERVATIONS AND ORBITS OF COMETS 2016-10-25 19:39:00 Comet CATCH
31 MPEC 2024-F28 DAILY ORBIT UPDATE (2024 March 19) 2024-03-19 12:06:00
32 MPEC 2025-N22 Comet 3I/ATLAS 2025-07-03 15:33:00 Comet CATCH
33 MPEC 2025-U174 DAILY ORBIT UPDATE (2025 October 23) 2025-10-23 12:33:00
34 MPEC 2025-U273 DAILY ORBIT UPDATE (2025 October 29) 2025-10-29 12:08:00

Objects Observed by This Station (97 total)

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
0029P 294516 0 2011-02-09 2016-09-08 17.1 606
0103P 64638 0 2010-10-30 2012-02-06 21.6 133
0009P 61974 0 2011-02-02 2016-08-31 22.3 198
H5706 59841 0 2012-01-01 2012-01-21 15.7 327
CK09P010 45472 0 2011-01-03 2011-09-29 13.8 116
0067P 23865 0 2015-09-21 2016-03-27 N/A 185
0088P 17922 0 2015-09-13 2016-02-23 19.4 174
CK06S030 17876 0 2011-04-08 2016-02-29 22.8 218
K25F22A 15860 0 2025-09-19 2025-09-29 20.3 61
CK10G020 15040 0 2011-11-16 2012-01-26 20.2 94
CK06W030 13572 0 2011-03-09 2011-09-23 13.2 156
0065P 12395 0 2011-11-04 2016-03-19 19.0 335
0049P 12231 0 2011-09-22 2012-01-29 15.7 151
0043P 11376 0 2011-03-09 2011-05-17 17.1 144
0081P 11373 0 2015-12-16 2016-03-22 21.1 223
0117P 8400 0 2015-09-13 2015-12-30 18.9 300
0078P 8313 0 2011-09-21 2012-01-15 17.4 163
0010P 8080 0 2011-01-03 2011-02-20 N/A 202
CK10X010 7975 0 2011-01-05 2011-06-11 N/A 29
0116P 6265 0 2015-12-18 2016-09-07 22.1 179
CK10B010 5632 0 2011-03-08 2011-04-29 N/A 64
0246P 5544 0 2012-01-17 2012-01-29 21.8 168
0061P 4590 0 2015-09-13 2016-02-17 16.3 90
CK10F87B 4450 0 2011-03-08 2011-05-17 18.3 50
CK12K010 4171 0 2015-09-04 2015-12-13 13.7 97
0074P 3888 0 2015-12-28 2016-02-17 21.3 243
0213P 3888 0 2011-04-13 2011-09-30 19.2 54
0045P 3848 0 2011-07-21 2011-07-27 10.7 52
CK11C010 3567 0 2011-03-21 2011-05-05 19.8 29
CK11L040 3399 0 2012-01-17 2012-01-29 10.1 103
CK09F040 3336 0 2011-11-04 2012-01-20 19.8 139
0230P 2585 0 2015-09-30 2016-03-22 21.8 55
CK13X010 2397 0 2015-09-17 2016-09-03 13.5 47
0077P 2128 0 2016-02-24 2016-09-07 21.8 133
0048P 2070 0 2011-09-01 2011-09-26 18.2 115
0019P 2032 0 2016-01-29 2016-02-24 21.7 127
0211P 1968 0 2015-11-06 2016-03-22 18.6 41
0053P 1900 0 2016-02-17 2016-09-07 N/A 76
0044P 1680 0 2015-11-08 2016-02-08 20.0 105
0130P 1536 0 2011-09-21 2011-11-26 N/A 96
0204P 1240 0 2015-12-31 2016-03-01 18.3 62
CK14A040 1224 0 2015-09-26 2015-12-13 19.6 51
0164P 1152 0 2012-01-15 2012-01-29 17.7 64
CK11R010 976 0 2011-11-04 2012-01-20 20.3 61
0244P 952 0 2012-01-15 2012-01-20 18.9 119
CK11Q040 912 0 2011-09-06 2011-09-19 15.5 19
0003I 756 0 2025-07-02 2025-07-02 11.4 27
CK15B020 740 0 2015-10-16 2016-09-08 17.3 20
0180P 696 0 2016-01-29 2016-02-24 17.8 58
CK14W110 648 0 2015-12-29 2016-02-24 19.8 24
0118P 604 0 2016-02-04 2016-02-04 15.7 151
CK14Q010 594 0 2015-09-03 2016-02-29 19.6 27
0100P 592 0 2016-02-09 2016-03-19 17.0 37
CK14B010 464 0 2015-12-19 2016-02-24 20.3 58
CK14Q020 462 0 2016-03-19 2016-09-07 11.0 42
0205P 456 0 2015-09-29 2015-12-10 16.9 19
0188P 440 0 2016-08-31 2016-09-07 19.2 55
0237P 415 0 2016-09-04 2016-09-04 21.5 83
0252P 361 0 2016-02-03 2016-03-01 20.0 19
0007P 328 0 2015-09-13 2015-09-13 13.4 82
0097P 261 0 2011-11-04 2011-12-01 18.2 29
0057P 248 0 2015-09-13 2015-09-13 25.5 62
0319P 240 0 2015-09-18 2015-12-09 21.1 12
CK15X070 238 0 2015-12-29 2016-02-17 17.3 17
CK13G090 234 0 2016-02-08 2016-02-25 N/A 39
CK13U10S 232 0 2015-09-10 2015-09-10 N/A 58
CK14N030 231 0 2015-09-13 2015-09-18 17.5 33
PK07T060 230 0 2016-09-01 2016-09-08 19.1 23
U8635 230 0 2011-11-22 2011-11-22 21.7 23
PK11A020 224 0 2011-03-30 2011-03-30 18.1 14
0318P 220 0 2015-09-13 2015-12-28 20.2 11
CK13C020 212 0 2016-02-05 2016-02-05 18.3 53
CK11C030 200 0 2011-03-28 2011-05-15 19.3 10
0329P 192 0 2015-11-08 2015-12-28 17.6 6
0226P 184 0 2016-09-08 2016-09-08 18.0 46
CK15H020 161 0 2016-08-31 2016-09-08 20.7 23
CK11L020 144 0 2012-01-16 2012-01-28 20.3 12
PK15Q010 144 0 2015-12-28 2016-01-15 19.7 12
0210P 135 0 2014-05-31 2014-05-31 12.5 45
CK15X040 128 0 2016-02-03 2016-02-26 18.6 16
PK11W020 114 0 2012-01-20 2012-01-21 20.6 19
CK15E61R 112 0 2016-02-18 2016-02-18 15.5 28
CK15Y010 112 0 2016-02-26 2016-03-03 17.0 14
0027P 108 0 2012-01-06 2012-01-26 20.6 12
PK16B14A 108 0 2016-02-26 2016-03-01 14.1 12
CK15G020 105 0 2015-10-27 2016-02-03 11.6 15
0315P 84 0 2016-01-13 2016-01-13 21.2 21
CK11Q020 63 0 2011-09-23 2011-09-23 17.7 9
CK15F040 63 0 2015-09-03 2015-09-03 23.6 21
0151P 36 0 2015-09-18 2015-09-18 18.0 9
0332P a 32 0 2016-03-03 2016-03-03 18.7 8
0332P c 32 0 2016-03-03 2016-03-03 18.6 8
PK10V01a 25 0 2016-02-10 2016-02-10 17.1 5
PK07V85A 22 0 2016-02-14 2016-02-17 15.2 2
PK10V01c 20 0 2016-02-10 2016-02-10 18.1 5
K24E04L 15 0 2024-03-15 2024-03-15 19.5 5
K11F29P 12 0 2011-03-30 2011-03-30 21.6 3

List of Observers

Observer Group Total MPECs
D.Hutsemekers, E.Jehin, J.Manfroid, M.Gillon, P.Magain 16
C.Opitom, E.Jehin, M.Gillon 7
Unknown 6
E.Jehin 2
C.Opitom, E.Jehin, J.Manfroid, M.Gillon 1
E.Jehin, J.Manfroid, M.Gillon 1
E.Jehin, M.Ferrais 1
Individual Observer Total MPECs
E.Jehin 28
M.Gillon 25
J.Manfroid 18
D.Hutsemekers 16
P.Magain 16
C.Opitom 8
Unknown 6
M.Ferrais 1

List of Measurers

Measurer Group Total MPECs
E.Jehin, J.Manfroid 21
Unknown 6
E.Jehin, J.Manfroid, V.Van Campenhout 3
E.Jehin, M.Micheli 2
E.Jehin 1
M.Ferrais 1
Individual Measurer Total MPECs
E.Jehin 27
J.Manfroid 24
Unknown 6
V.Van Campenhout 3
M.Micheli 2
M.Ferrais 1

List of Facilities

Facilities Count
0.6-m f/8 Ritchey-Chretien + CCD 11
0.6-m f/8 Ritchey-Chretien + CCD, 0.60-m f/8.0 reflector + CCD 1
0.6-m f/8 reflector + CCD 2
0.60-m f/8.0 reflector + CCD 13
0.60-m f/8.0 reflector Ritchey-Chretien + CCD 1
Unknown 6