Q02 Sakai Observatory, Osaka

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 9 0 0 9 0 0 0 0 0 0
2024 12 0 0 12 0 0 0 0 0 0
2023 7 0 0 6 0 0 0 0 1 0
2022 10 0 0 10 0 0 0 0 0 0
2021 6 0 0 6 0 0 0 0 0 0
2020 2 0 0 1 1 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 2020-M03 DAILY ORBIT UPDATE (2020 June 16) 2020-06-16 12:05:00
2 MPEC 2020-M114 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-06-26 22:34:00 Comet CATCH
3 MPEC 2021-N06 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-07-02 04:55:00 Comet CATCH
4 MPEC 2021-R75 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-09-05 06:14:00 Comet CATCH
5 MPEC 2021-U31 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-10-19 05:12:00 Comet CATCH
6 MPEC 2021-U109 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-10-27 07:53:00 Comet CATCH
7 MPEC 2021-W138 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-11-30 05:18:00 Comet CATCH
8 MPEC 2021-Y10 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-12-17 09:49:00 Comet CATCH
9 MPEC 2022-C56 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-02-04 04:24:00 Comet CATCH
10 MPEC 2022-D36 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-02-23 06:10:00 Comet CATCH
11 MPEC 2022-H04 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-04-17 04:45:00 Comet CATCH
12 MPEC 2022-H122 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-04-30 09:05:00 Comet CATCH
13 MPEC 2022-L66 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-06-08 04:25:00 Comet CATCH
14 MPEC 2022-M21 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-06-21 05:43:00 Comet CATCH
15 MPEC 2022-N37 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-07-06 08:40:00 Comet CATCH
16 MPEC 2022-R68 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-09-04 06:11:00 Comet CATCH
17 MPEC 2022-T100 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-10-07 06:33:00 Comet CATCH
18 MPEC 2022-Y232 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-12-31 23:50:00 Comet CATCH
19 MPEC 2023-A16 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-01-07 08:16:00 Comet CATCH
20 MPEC 2023-N01 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-07-01 04:39:00 Comet CATCH
21 MPEC 2023-O106 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-07-29 01:50:00 Comet CATCH
22 MPEC 2023-S260 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-09-29 00:01:00 Comet CATCH
23 MPEC 2023-W26 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-11-19 01:05:00 Comet CATCH
24 MPEC 2023-X98 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-12-06 08:53:00 Comet CATCH
25 MPEC 2023-X256 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-12-13 04:23:00 Comet CATCH
26 MPEC 2024-A43 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-01-05 07:20:00 Comet CATCH
27 MPEC 2024-B57 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-01-20 07:23:00 Comet CATCH
28 MPEC 2024-D33 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-02-17 09:36:00 Comet CATCH
29 MPEC 2024-F34 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-03-19 18:48:00 Comet CATCH
30 MPEC 2024-G193 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-04-13 23:03:00 Comet CATCH
31 MPEC 2024-J122 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-05-07 20:00:00 Comet CATCH
32 MPEC 2024-L77 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-06-07 05:57:00 Comet CATCH
33 MPEC 2024-M118 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-06-30 07:07:00 Comet CATCH
34 MPEC 2024-P125 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-08-11 06:50:00 Comet CATCH
35 MPEC 2024-U109 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-10-26 06:57:00 Comet CATCH
36 MPEC 2024-V192 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-11-14 19:46:00 Comet CATCH
37 MPEC 2024-X74 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-12-04 00:44:00 Comet CATCH
38 MPEC 2025-D44 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-02-20 21:36:00 Comet CATCH
39 MPEC 2025-E119 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-03-06 19:54:00 Comet CATCH
40 MPEC 2025-G119 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-04-11 19:21:00 Comet CATCH
41 MPEC 2025-H115 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-04-24 15:59:00 Comet CATCH
42 MPEC 2025-J92 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-05-15 18:19:00 Comet CATCH
43 MPEC 2025-M120 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-06-26 16:33:00 Comet CATCH
44 MPEC 2025-O159 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-07-31 18:52:00 Comet CATCH
45 MPEC 2025-P138 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-08-12 16:13:00 Comet CATCH
46 MPEC 2025-R69 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-09-09 19:18:00 Comet CATCH

Objects Observed by This Station (30 total)

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
0029P 16912 0 2021-10-02 2025-03-20 16.4 604
CK17K020 4628 0 2022-05-24 2024-02-12 19.2 178
0067P 4625 0 2021-10-02 2022-02-10 N/A 185
CK19L030 2688 0 2021-11-04 2022-04-22 19.0 128
52768 2640 0 2020-04-27 2020-04-28 21.4 330
CK22E020 2200 0 2024-01-11 2025-09-01 15.1 100
0004P 1524 0 2021-12-05 2022-01-08 21.6 127
CK23A030 1376 0 2024-04-01 2024-11-20 18.4 86
CK21S030 1125 0 2024-06-18 2024-08-08 21.0 125
CK21G020 1090 0 2025-04-18 2025-06-04 16.9 109
0012P 1027 0 2023-11-22 2024-03-29 18.7 79
0019P 635 0 2022-03-08 2022-04-04 21.7 127
CK22E030 600 0 2022-08-28 2022-09-26 11.7 75
CK20V020 540 0 2023-01-03 2023-01-03 18.8 135
0237P 498 0 2023-06-19 2023-07-16 21.5 83
CK23C020 488 0 2025-08-19 2025-09-01 16.5 61
0144P 440 0 2024-02-12 2024-02-28 18.8 88
CK19T040 402 0 2022-04-22 2022-04-22 19.3 134
0103P 399 0 2023-09-16 2023-09-16 21.6 133
CK23R010 348 0 2025-07-25 2025-08-02 16.7 58
0013P 342 0 2024-03-29 2024-05-25 17.4 57
0062P 324 0 2024-03-08 2024-03-08 17.2 81
CK22A020 243 0 2023-09-16 2023-09-16 21.6 81
CK20T020 234 0 2021-06-10 2021-08-04 18.9 39
CK17T020 184 0 2020-06-07 2020-06-07 12.8 46
0126P 180 0 2023-09-24 2023-09-24 18.0 60
CK24E010 135 0 2025-08-02 2025-08-02 14.7 45
CK25K010 108 0 2025-07-25 2025-08-02 14.8 12
CK24M010 90 0 2024-11-21 2024-11-21 17.8 30
CK23H020 81 0 2023-11-08 2023-11-08 17.5 27

List of Observers

Observer Group Total MPECs
Y.Yamaguchi 45
Unknown 1
Individual Observer Total MPECs
Y.Yamaguchi 45
Unknown 1

List of Measurers

Measurer Group Total MPECs
Unknown 46
Individual Measurer Total MPECs
Unknown 46

List of Facilities

Facilities Count
0.08-m f/5.5 refractor 21
0.08-m f/5.5 refractor + CCD 16
0.13-m f/3.3 hyperbolic astrogragh + CCD 8
Unknown 1