Q58 Siding Spring-LCO Clamshell #1

Last update: UTC 2026-02-26 08:09:26

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
2026 3 0 0 2 1 0 0 0 0 0
2025 10 0 0 3 0 0 0 0 5 2
2024 11 0 0 3 3 0 0 0 4 1
2023 12 0 0 5 2 0 0 0 4 1
2022 0 0 0 0 0 0 0 0 0 0
2021 1 0 0 0 1 0 0 0 0 0
2020 0 0 0 0 0 0 0 0 0 0
2019 2 0 0 0 1 0 0 0 1 0
2018 1 0 0 1 0 0 0 0 0 0
2017 1 0 0 1 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 2017-T14 OBSERVATIONS AND ORBITS OF COMETS 2017-10-03 16:54:00 Comet CATCH
2 MPEC 2018-Y74 COMET 46P/Wirtanen 2018-12-26 17:43:00 Comet CATCH
3 MPEC 2019-J142 OBSERVATIONS AND ORBITS OF COMETS 2019-05-15 14:22:00 Comet CATCH
4 MPEC 2019-P41 DAILY ORBIT UPDATE (2019 August 6) 2019-08-06 12:04:00
5 MPEC 2021-V200 DAILY ORBIT UPDATE (2021 November 10) 2021-11-10 12:25:00
6 MPEC 2023-K136 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-05-25 03:40:00 Comet CATCH
7 MPEC 2023-M14 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-06-17 00:45:00 Comet CATCH
8 MPEC 2023-N01 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-07-01 04:39:00 Comet CATCH
9 MPEC 2023-N43 DAILY ORBIT UPDATE (2023 July 10) 2023-07-10 12:04:00
10 MPEC 2023-N62 DAILY ORBIT UPDATE (2023 July 13) 2023-07-13 12:05:00
11 MPEC 2023-O39 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-07-20 07:10:00 Comet CATCH
12 MPEC 2023-O51 COMET P/2023 M4 (ATLAS) 2023-07-22 02:00:00 Comet CATCH
13 MPEC 2023-T05 COMET C/2023 S2 (ATLAS) 2023-10-02 19:54:00 Comet CATCH
14 MPEC 2023-X98 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-12-06 08:53:00 Comet CATCH
15 MPEC 2023-X256 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-12-13 04:23:00 Comet CATCH
16 MPEC 2023-Y97 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-12-29 03:14:00 Comet CATCH
17 MPEC 2024-B78 COMET C/2024 A1 (ATLAS) 2024-01-21 08:45:00 Comet CATCH
18 MPEC 2024-E49 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-03-05 06:42:00 Comet CATCH
19 MPEC 2024-G172 DAILY ORBIT UPDATE (2024 April 12) 2024-04-12 12:18:00
20 MPEC 2024-K118 COMET C/2024 J3 (ATLAS) 2024-05-29 04:38:00 Comet CATCH
21 MPEC 2024-K130 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-05-30 08:00:00 Comet CATCH
22 MPEC 2024-O15 COMET C/2024 L5 (ATLAS) 2024-07-20 03:29:00 Comet CATCH
23 MPEC 2024-O16 COMET C/2024 M1 (ATLAS) 2024-07-20 04:15:00 Comet CATCH
24 MPEC 2024-O58 DAILY ORBIT UPDATE (2024 July 26) 2024-07-26 12:06:00
25 MPEC 2024-P43 DAILY ORBIT UPDATE (2024 August 3) 2024-08-03 12:03:00
26 MPEC 2024-R266 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-09-11 20:19:00 Comet CATCH
27 MPEC 2025-O159 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-07-31 18:52:00 Comet CATCH
28 MPEC 2025-S173 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-09-22 20:03:00 Comet CATCH
29 MPEC 2025-T36 2025 TF 2025-10-02 06:01:00 NEA (H>22) CATCH
30 MPEC 2025-T80 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-10-03 21:21:00 Comet CATCH
31 MPEC 2025-T108 2025 TQ2 2025-10-05 08:09:00 NEA (H>22) CATCH
32 MPEC 2025-V48 2025 VN 2025-11-08 01:16:00 NEA (H>22) CATCH
33 MPEC 2025-Y122 2025 YG3 2025-12-21 22:07:00 NEA (H>22) CATCH
34 MPEC 2025-Y182 2025 YF5 2025-12-25 15:34:00 NEA (H>22) CATCH
35 MPEC 2026-A24 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2026-01-07 23:27:00 Comet CATCH
36 MPEC 2026-C27 DAILY ORBIT UPDATE (2026 February 7) 2026-02-07 12:16:00
37 MPEC 2026-C84 2006 QZ57 2026-02-12 08:19:00 NEA (H>22) CATCH

Objects Observed by This Station

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
0029P 7020 0 2017-08-15 2025-12-14 16.6 585
01036 4239 0 2023-07-12 2023-07-12 14.8 1413
01627 4239 0 2023-07-10 2023-07-10 14.0 1413
0046P 3570 0 2018-12-02 2018-12-09 10.5 85
K12F62N 1500 0 2024-07-10 2024-07-10 17.3 150
0240P 792 0 2017-08-31 2025-07-19 15.8 88
CK24A010 784 0 2024-01-04 2024-01-18 18.8 56
0081P 618 0 2023-06-26 2023-06-26 21.1 206
CK24J030 378 0 2024-05-06 2024-05-25 17.1 42
CK21S030 375 0 2023-12-26 2023-12-26 20.0 125
39796 369 0 2024-07-21 2024-07-21 20.7 369
CK20K010 369 0 2023-07-10 2023-07-10 20.8 123
0126P 336 0 2023-06-11 2023-07-14 16.0 56
CK14UR1N 321 0 2024-09-06 2024-09-06 16.2 107
CK21T040 228 0 2023-05-22 2023-05-22 22.0 76
K06Q23Q 200 0 2019-08-05 2019-08-05 18.6 20
K19X00S 185 0 2021-11-09 2021-11-09 22.1 37
0013P 174 0 2023-12-05 2023-12-05 17.4 58
0210P 153 0 2025-10-02 2025-10-02 N/A 51
K16CD6L 129 0 2026-02-05 2026-02-05 18.5 43
0003I 120 0 2025-09-17 2025-09-17 16.5 40
CK22J05K 117 0 2023-07-13 2023-07-13 22.0 39
CK23S030 108 0 2023-12-02 2024-03-03 13.8 18
CK24L050 96 0 2024-07-06 2024-07-06 18.4 32
CK24M010 93 0 2024-07-10 2024-07-10 17.8 31
PK23M040 84 0 2023-06-21 2023-06-21 19.3 21
CK24G030 75 0 2024-05-15 2024-05-15 4.8 25
0333P 68 0 2024-05-28 2024-05-28 N/A 34
0471P 63 0 2023-12-02 2023-12-02 19.2 21
CK23S020 22 0 2023-09-30 2023-09-30 13.8 11
K24G02J 20 0 2024-04-11 2024-04-11 16.1 4
K06Q57Z 14 0 2026-02-11 2026-02-11 18.9 7
K25Y05F 8 0 2025-12-23 2025-12-23 22.0 8
K25V00N 6 0 2025-11-07 2025-11-07 11.8 3
K25Y03G 6 0 2025-12-20 2025-12-20 20.7 3
K25T02Q 2 0 2025-10-02 2025-10-02 16.4 1
K25T00F 1 0 2025-10-01 2025-10-01 23.0 1

List of Observers

Observer Group Total MPECs
A.Hale 16
Unknown 8
F.Ocana, L.Conversi, M.Devogele, M.Micheli, R.Kresken, T.Santana-Ros 3
F.Ocana, L.Conversi, M.Devogele, M.Micheli, T.Santana-Ros 3
J.M.Perez-Redondo 2
A.Debackere 1
E.Rojo, J.M.Perez 1
A.Hale, E.Rojo, J.M.Perez 1
A.Debackere, G.James, H.Usher 1
P.-J.Dekelver, W.Cuppens 1
Individual Observer Total MPECs
A.Hale 17
Unknown 8
F.Ocana 6
L.Conversi 6
M.Devogele 6
M.Micheli 6
T.Santana-Ros 6
R.Kresken 3
A.Debackere 2
E.Rojo 2
J.M.Perez 2
J.M.Perez-Redondo 2
G.James 1
H.Usher 1
P.-J.Dekelver 1
W.Cuppens 1

List of Measurers

Measurer Group Total MPECs
Unknown 28
F.Ocana, M.Micheli 4
M.Micheli 2
A.Debackere 1
A.Hale, E.Rojo 1
P.-J.Dekelver 1
Individual Measurer Total MPECs
Unknown 28
M.Micheli 6
F.Ocana 4
A.Debackere 1
A.Hale 1
E.Rojo 1
P.-J.Dekelver 1

List of Facilities

Facilities Count
0.35-m f/3 Cassegrain + CCD 13
0.35-m f/3 reflector + CMO 6
0.36-m f/2.2 reflector + CCD 3
0.36-m f/2.2 reflector + CCD, 0.4-m f/10 Schmidt-Cassegrain + CCD 1
0.4-m Cassegrain + CCD 2
0.4-m f/10 Schmidt- Cassegrain + CCD 3
0.4-m f/8 Schmidt-Cassegrain + CCD 1
Unknown 8