K40 Altdorf

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 4 0 0 3 1 0 0 0 0 0
2024 1 0 0 1 0 0 0 0 0 0
2023 7 0 0 4 2 0 0 0 1 0
2022 7 0 0 5 2 0 0 0 0 0
2021 4 0 0 2 2 0 0 0 0 0
2020 9 0 0 5 1 0 0 0 3 0
2019 4 0 0 0 2 0 0 0 2 0
2018 7 0 0 5 2 0 0 0 0 0
2017 9 0 0 6 3 0 0 0 0 0
2016 3 0 0 2 1 0 0 0 0 0
2015 2 0 0 2 0 0 0 0 0 0
2014 2 0 0 1 1 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 2014-R56 DAILY ORBIT UPDATE (2014 SEPT. 6 UT) 2014-09-06 12:03:00
2 MPEC 2014-R69 OBSERVATIONS AND ORBITS OF COMETS 2014-09-07 15:55:00 Comet CATCH
3 MPEC 2015-K84 OBSERVATIONS AND ORBITS OF COMETS 2015-05-24 18:42:00 Comet CATCH
4 MPEC 2015-Y73 OBSERVATIONS AND ORBITS OF COMETS 2015-12-23 04:33:00 Comet CATCH
5 MPEC 2016-M09 OBSERVATIONS AND ORBITS OF COMETS 2016-06-17 18:29:00 Comet CATCH
6 MPEC 2016-U66 OBSERVATIONS AND ORBITS OF COMETS 2016-10-25 19:39:00 Comet CATCH
7 MPEC 2016-V01 DAILY ORBIT UPDATE (2016 NOV. 1 UT) 2016-11-01 12:04:00
8 MPEC 2017-A77 OBSERVATIONS AND ORBITS OF COMETS 2017-01-12 03:18:00 Comet CATCH
9 MPEC 2017-E59 OBSERVATIONS AND ORBITS OF COMETS 2017-03-08 23:15:00 Comet CATCH
10 MPEC 2017-H20 COMET 41P/Tuttle-Giacobini-Kresak 2017-04-20 16:30:00 Comet CATCH
11 MPEC 2017-H44 DAILY ORBIT UPDATE (2017 APR. 22 UT) 2017-04-22 12:07:00
12 MPEC 2017-J52 OBSERVATIONS AND ORBITS OF COMETS 2017-05-07 04:08:00 Comet CATCH
13 MPEC 2017-K73 DAILY ORBIT UPDATE (2017 MAY 28 UT) 2017-05-28 12:02:00
14 MPEC 2017-L52 OBSERVATIONS AND ORBITS OF COMETS 2017-06-06 22:36:00 Comet CATCH
15 MPEC 2017-T61 DAILY ORBIT UPDATE (2017 OCT. 13 UT) 2017-10-13 12:05:00
16 MPEC 2017-V13 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2017-11-03 22:26:00 Comet CATCH
17 MPEC 2018-J13 DAILY ORBIT UPDATE (2018 MAY 6 UT) 2018-05-06 12:04:00
18 MPEC 2018-K95 OBSERVATIONS AND ORBITS OF COMETS 2018-05-27 03:20:00 Comet CATCH
19 MPEC 2018-Q24 COMET 21P/Giacobini-Zinner 2018-08-18 00:37:00 Comet CATCH
20 MPEC 2018-Q62 COMET C/2017 S3 (PANSTARRS) 2018-08-23 05:17:00 Comet CATCH
21 MPEC 2018-S02 DAILY ORBIT UPDATE (2018 SEPT. 16 UT) 2018-09-16 12:06:00
22 MPEC 2018-S50 OBSERVATIONS AND ORBITS OF COMETS 2018-09-21 00:29:00 Comet CATCH
23 MPEC 2018-U70 OBSERVATIONS AND ORBITS OF COMETS 2018-10-25 21:24:00 Comet CATCH
24 MPEC 2019-J142 OBSERVATIONS AND ORBITS OF COMETS 2019-05-15 14:22:00 Comet CATCH
25 MPEC 2019-L25 DAILY ORBIT UPDATE (2019 JUNE 3 UT) 2019-06-03 12:05:00
26 MPEC 2019-S61 DAILY ORBIT UPDATE (2019 September 23) 2019-09-23 12:11:00
27 MPEC 2019-T169 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2019-10-09 16:11:00 Comet CATCH
28 MPEC 2020-A105 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-01-09 16:05:00 Comet CATCH
29 MPEC 2020-K117 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-05-22 05:55:00 Comet CATCH
30 MPEC 2020-M07 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-06-17 04:58:00 Comet CATCH
31 MPEC 2020-M114 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-06-26 22:34:00 Comet CATCH
32 MPEC 2020-P19 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-08-04 23:06:00 Comet CATCH
33 MPEC 2020-Q175 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-08-24 17:36:00 Comet CATCH
34 MPEC 2020-S188 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-09-25 02:49:00 Comet CATCH
35 MPEC 2020-W08 DAILY ORBIT UPDATE (2020 November 16) 2020-11-16 12:02:00
36 MPEC 2020-W26 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-11-17 07:41:00 Comet CATCH
37 MPEC 2021-E24 DAILY ORBIT UPDATE (2021 March 5) 2021-03-05 12:35:00
38 MPEC 2021-F20 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-03-18 05:58:00 Comet CATCH
39 MPEC 2021-R112 DAILY ORBIT UPDATE (2021 September 6) 2021-09-06 12:23:00
40 MPEC 2021-S45 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-09-20 07:00:00 Comet CATCH
41 MPEC 2022-E82 DAILY ORBIT UPDATE (2022 March 4) 2022-03-04 12:17:00
42 MPEC 2022-E133 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-03-09 03:16:00 Comet CATCH
43 MPEC 2022-O01 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-07-16 08:14:00 Comet CATCH
44 MPEC 2022-Q139 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-08-27 06:24:00 Comet CATCH
45 MPEC 2022-R68 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-09-04 06:11:00 Comet CATCH
46 MPEC 2022-W190 DAILY ORBIT UPDATE (2022 November 26) 2022-11-26 12:22:00
47 MPEC 2022-W269 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-11-30 05:29:00 Comet CATCH
48 MPEC 2023-C137 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-02-14 06:37:00 Comet CATCH
49 MPEC 2023-L52 DAILY ORBIT UPDATE (2023 June 11) 2023-06-11 12:10:00
50 MPEC 2023-L69 DAILY ORBIT UPDATE (2023 June 13) 2023-06-13 12:12:00
51 MPEC 2023-M14 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-06-17 00:45:00 Comet CATCH
52 MPEC 2023-P65 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-08-13 04:14:00 Comet CATCH
53 MPEC 2023-Q150 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-08-28 08:03:00 Comet CATCH
54 MPEC 2023-S260 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-09-29 00:01:00 Comet CATCH
55 MPEC 2024-L77 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-06-07 05:57:00 Comet CATCH
56 MPEC 2025-O159 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-07-31 18:52:00 Comet CATCH
57 MPEC 2025-S133 DAILY ORBIT UPDATE (2025 September 20) 2025-09-20 12:14:00
58 MPEC 2025-T80 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-10-03 21:21:00 Comet CATCH
59 MPEC 2025-U263 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-10-28 22:33:00 Comet CATCH

Objects Observed by This Station

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
0029P 12120 0 2017-10-13 2022-02-27 17.1 606
0021P 2626 0 2018-05-05 2018-10-14 20.4 101
CK17K020 1800 0 2020-08-20 2022-08-20 18.1 180
66391 1785 0 2019-05-31 2019-06-01 18.3 255
G4121 1680 0 2016-10-30 2016-10-30 18.4 280
0088P 1392 0 2020-05-20 2020-06-12 19.4 174
02100 936 0 2019-09-20 2019-09-20 17.7 468
c8945 920 0 2018-05-05 2018-05-05 19.0 230
E4332 848 0 2018-09-15 2018-09-15 19.0 212
0002P 808 0 2017-02-15 2023-09-26 21.0 202
0103P 798 0 2023-08-11 2023-09-26 21.6 133
CK25A060 756 0 2025-09-18 2025-10-01 7.5 12
0067P 740 0 2022-02-27 2022-03-04 N/A 185
CK11J020 672 0 2014-08-22 2014-10-28 22.2 112
0065P 670 0 2017-05-27 2017-05-27 19.0 335
CK22E030 600 0 2022-07-02 2023-02-08 11.7 75
F3591 594 0 2022-02-27 2022-02-27 18.6 297
99942 568 0 2021-03-02 2021-03-02 15.2 284
K17C00S 556 0 2017-05-26 2017-05-26 20.0 139
CK19T040 536 0 2023-06-10 2023-08-18 19.3 134
CK19L030 512 0 2020-09-18 2022-02-27 19.0 128
0237P 498 0 2023-06-10 2023-09-08 21.5 83
0074P 486 0 2018-05-05 2018-05-05 21.3 243
0071P 484 0 2017-04-29 2017-05-27 22.4 121
S5944 444 0 2014-08-17 2014-08-22 N/A 74
0009P 396 0 2016-05-06 2016-05-06 22.3 198
0116P 358 0 2022-03-04 2022-03-04 22.1 179
0046P 352 0 2019-02-24 2019-03-30 10.5 88
CK15V020 350 0 2017-04-07 2017-05-26 17.2 35
0048P 345 0 2018-09-15 2018-09-15 18.2 115
CK11K36P 336 0 2016-08-26 2016-12-03 18.7 84
0012P 320 0 2023-08-11 2023-09-08 17.0 80
CK15O010 320 0 2017-05-27 2019-03-30 20.1 40
CK16M010 308 0 2017-05-27 2017-10-15 20.1 44
K14J25O 308 0 2017-04-20 2017-04-20 19.1 77
K15FB8P 305 0 2018-09-15 2018-09-15 15.4 61
0041P 294 0 2017-03-27 2017-05-27 21.8 49
0043P 288 0 2016-09-13 2016-09-13 17.1 144
CK23E010 288 0 2023-06-09 2023-09-08 15.7 36
0123P 285 0 2019-03-30 2019-03-30 19.1 95
0064P 279 0 2018-09-15 2019-03-30 N/A 31
CK20V020 270 0 2022-11-24 2022-11-24 18.8 135
0077P 266 0 2016-05-06 2016-05-06 21.8 133
K20S01T 265 0 2020-11-14 2020-11-14 16.9 53
0004P 254 0 2022-02-27 2022-02-27 21.6 127
0019P 254 0 2022-03-04 2022-03-04 21.7 127
CK20K010 252 0 2022-08-20 2022-08-20 18.6 126
CK18N020 236 0 2019-09-21 2019-12-29 15.1 59
CK17T020 230 0 2019-12-29 2020-06-12 12.8 46
CK17M040 222 0 2018-05-08 2018-08-05 16.6 37
K12T04C 220 0 2017-10-11 2017-10-11 N/A 44
J99R45M 212 0 2021-03-02 2021-03-02 22.6 53
0045P 208 0 2017-02-15 2017-03-27 10.7 52
0037P 186 0 2018-09-15 2018-09-15 16.1 93
K25F22A 186 0 2025-09-18 2025-09-18 21.2 62
0056P 176 0 2016-09-13 2016-12-03 N/A 44
CK23A030 176 0 2024-05-10 2024-05-10 20.0 88
m8453 175 0 2023-06-09 2023-06-10 22.1 35
CK22A020 162 0 2023-08-18 2023-08-18 21.6 81
0038P 156 0 2018-09-10 2019-02-24 18.3 13
CK14E020 148 0 2014-08-22 2014-09-23 13.2 37
CK24E010 141 0 2025-06-28 2025-06-28 14.2 47
CK19T030 136 0 2020-09-18 2020-09-18 16.7 68
K05L03W 136 0 2022-11-24 2022-11-24 13.7 34
0093P 130 0 2016-12-03 2016-12-03 19.3 65
0115P 116 0 2020-09-15 2020-09-15 20.8 58
0047P 112 0 2017-10-13 2017-10-13 16.5 112
CK22U020 96 0 2023-02-07 2023-02-08 14.8 24
0114P 94 0 2019-12-29 2019-12-29 20.2 47
CK13X010 94 0 2015-11-15 2015-11-15 13.5 47
CK15V010 93 0 2017-10-13 2017-10-13 15.6 31
0226P 92 0 2016-09-13 2016-09-13 18.0 46
0068P 88 0 2019-09-20 2019-09-20 15.6 44
0364P 88 0 2018-05-11 2018-05-11 18.9 44
K21Q03B 88 0 2021-09-03 2021-09-03 16.7 22
0260P 86 0 2019-09-21 2019-09-21 13.9 43
0060P 80 0 2019-03-30 2019-03-30 N/A 40
CK18Y010 75 0 2019-02-24 2019-03-30 15.5 15
0104P 74 0 2022-02-27 2022-02-27 15.6 37
CK14W020 70 0 2016-08-26 2016-08-26 16.9 35
0156P 68 0 2021-03-06 2021-03-06 22.1 34
CK16R020 68 0 2018-04-06 2018-04-06 22.8 34
CK14N030 66 0 2015-11-15 2015-11-15 17.5 33
CK16N060 60 0 2018-05-11 2018-05-11 14.9 30
CK16N040 58 0 2017-10-15 2017-10-15 18.0 29
CK17S030 55 0 2018-07-08 2018-07-14 16.0 11
CK18W020 54 0 2019-09-20 2019-09-21 14.4 18
CK20P06V 52 0 2021-09-03 2021-09-03 18.5 26
CK23P010 52 0 2023-09-04 2023-09-04 20.3 26
CK14S020 50 0 2016-05-06 2016-05-06 21.4 25
CK18A030 46 0 2018-05-11 2018-05-11 22.0 23
CK19U060 46 0 2020-08-20 2020-08-20 17.4 23
0141P 44 0 2021-03-06 2021-03-06 15.5 22
0315P 42 0 2017-04-29 2017-04-29 21.2 21
CK15V62L 42 0 2017-10-15 2017-10-15 16.9 21
0252P 38 0 2016-05-06 2016-05-06 20.0 19
CK20F030 36 0 2020-08-20 2020-08-20 22.5 18
CK20M030 36 0 2020-11-14 2020-11-14 14.4 18
CK14Q030 34 0 2014-10-28 2014-10-28 17.1 17
CK17O010 32 0 2017-10-13 2017-10-13 14.1 16
CK19Y010 32 0 2020-05-20 2020-05-20 15.2 16
CK21A020 24 0 2021-03-02 2021-03-02 15.5 12
CK18V010 20 0 2018-11-17 2018-11-17 9.1 5
CK18C020 16 0 2018-05-08 2018-05-08 16.8 8
CK21A040 16 0 2021-03-06 2021-03-06 15.2 8
CK17E040 10 0 2017-04-07 2017-04-07 7.9 5

List of Observers

Observer Group Total MPECs
S.Beck 41
Unknown 17
M.Mifsud 1
Individual Observer Total MPECs
S.Beck 41
Unknown 17
M.Mifsud 1

List of Measurers

Measurer Group Total MPECs
Unknown 59
Individual Measurer Total MPECs
Unknown 59

List of Facilities

Facilities Count
0.06-m f/6.5 refractor + CMO 1
0.2-m f/2.8 20cm f/2.8 Newtonian + CCD + CCD 9
0.2-m f/2.8 Newtonian reflector + CCD 11
0.20-m f/2.8 Newtonian reflector + CCD 17
0.20-m f/2.8 reflector + CMO 3
0.20-m f/3.75 Schmidt-Cassegrain + CCD 1
Unknown 17