P87 Hirao Observatory, Yamaguchi

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Graphs

Yearly Breakdown of MPEC Types

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
2024 6 0 0 4 1 0 0 0 1 0
2023 45 0 0 28 7 0 0 0 9 1
2022 32 0 0 20 10 0 0 0 2 0
2021 20 0 0 17 1 0 0 0 2 0
2020 24 0 0 11 6 0 0 0 6 1
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

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List of Individual MPECs

Index Name Date/Time Discoverer First-responding Confirmer Object Type Search Archival Image
1 MPEC 2024-D33 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-02-17 09:36:00 Comet CATCH
2 MPEC 2024-C40 DAILY ORBIT UPDATE (2024 February 4) 2024-02-04 12:06:00
3 MPEC 2024-B57 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-01-20 07:23:00 Comet CATCH
4 MPEC 2024-A150 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-01-13 04:14:00 Comet CATCH
5 MPEC 2024-A148 COMET P/2023 Y2 (Gibbs) 2024-01-13 03:19:00 Comet CATCH
6 MPEC 2024-A43 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-01-05 07:20:00 Comet CATCH
7 MPEC 2023-Y97 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-12-29 03:14:00 Comet CATCH
8 MPEC 2023-Y70 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-12-21 09:40:00 Comet CATCH
9 MPEC 2023-X256 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-12-13 04:23:00 Comet CATCH
10 MPEC 2023-X225 COMET C/2023 X1 (Leonard) 2023-12-12 02:37:00 Comet CATCH
11 MPEC 2023-X222 COMET C/2023 X1 (Lemmon) 2023-12-11 23:22:00 Comet CATCH
12 MPEC 2023-X98 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-12-06 08:53:00 Comet CATCH
13 MPEC 2023-W26 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-11-19 01:05:00 Comet CATCH
14 MPEC 2023-V42 DAILY ORBIT UPDATE (2023 November 5) 2023-11-05 12:07:00
15 MPEC 2023-V39 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-11-05 02:09:00 Comet CATCH
16 MPEC 2023-U276 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-10-29 08:53:00 Comet CATCH
17 MPEC 2023-U222 DAILY ORBIT UPDATE (2023 October 24) 2023-10-24 12:11:00
18 MPEC 2023-U159 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-10-21 05:24:00 Comet CATCH
19 MPEC 2023-T65 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-10-07 04:08:00 Comet CATCH
20 MPEC 2023-S260 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-09-29 00:01:00 Comet CATCH
21 MPEC 2023-R42 COMET P/2010 YK3 = P/2023 KF3 2023-09-08 02:02:00 Comet CATCH
22 MPEC 2023-Q150 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-08-28 08:03:00 Comet CATCH
23 MPEC 2023-Q33 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-08-20 03:16:00 Comet CATCH
24 MPEC 2023-P87 COMET C/2023 P1 (Nishimura) 2023-08-15 19:16:00 ✓ Comet CATCH
25 MPEC 2023-P83 DAILY ORBIT UPDATE (2023 August 15) 2023-08-15 12:42:00
26 MPEC 2023-P25 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-08-07 00:38:00 Comet CATCH
27 MPEC 2023-O106 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-07-29 01:50:00 Comet CATCH
28 MPEC 2023-O91 DAILY ORBIT UPDATE (2023 July 27) 2023-07-27 12:10:00
29 MPEC 2023-O39 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-07-20 07:10:00 Comet CATCH
30 MPEC 2023-N01 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-07-01 04:39:00 Comet CATCH
31 MPEC 2023-M109 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-06-23 00:18:00 Comet CATCH
32 MPEC 2023-L10 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-06-02 05:34:00 Comet CATCH
33 MPEC 2023-K136 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-05-25 03:40:00 Comet CATCH
34 MPEC 2023-K53 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-05-19 01:52:00 Comet CATCH
35 MPEC 2023-J29 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-05-04 05:11:00 Comet CATCH
36 MPEC 2023-H227 COMET P/2010 OE101 = P/2021 LJ31 (WISE) 2023-04-28 06:34:00 Comet CATCH
37 MPEC 2023-H131 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-04-21 20:15:00 Comet CATCH
38 MPEC 2023-G47 DAILY ORBIT UPDATE (2023 April 10) 2023-04-10 12:02:00
39 MPEC 2023-G31 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-04-04 20:08:00 Comet CATCH
40 MPEC 2023-F200 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-03-29 02:03:00 Comet CATCH
41 MPEC 2023-E68 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-03-13 20:48:00 Comet CATCH
42 MPEC 2023-E59 COMET C/2023 E1 (ATLAS) 2023-03-12 03:18:00 Comet CATCH
43 MPEC 2023-E49 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-03-06 22:02:00 Comet CATCH
44 MPEC 2023-E47 DAILY ORBIT UPDATE (2023 March 6) 2023-03-06 12:49:00
45 MPEC 2023-D77 COMET C/2023 A3 (Tsuchinshan-ATLAS) 2023-02-28 23:54:00 Comet CATCH
46 MPEC 2023-D72 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-02-28 04:56:00 Comet CATCH
47 MPEC 2023-C137 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-02-14 06:37:00 Comet CATCH
48 MPEC 2023-B154 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-01-28 03:51:00 Comet CATCH
49 MPEC 2023-B48 DAILY ORBIT UPDATE (2023 January 20) 2023-01-20 12:09:00
50 MPEC 2023-A50 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-01-14 07:55:00 Comet CATCH
51 MPEC 2023-A31 2023 AC 2023-01-10 23:23:00 NEA (18>H>22) CATCH
52 MPEC 2022-Y232 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-12-31 23:50:00 Comet CATCH
53 MPEC 2022-Y155 DAILY ORBIT UPDATE (2022 December 25) 2022-12-25 12:05:00
54 MPEC 2022-Y114 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-12-24 01:27:00 Comet CATCH
55 MPEC 2022-Y08 DAILY ORBIT UPDATE (2022 December 16) 2022-12-16 12:13:00
56 MPEC 2022-W269 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-11-30 05:29:00 Comet CATCH
57 MPEC 2022-W190 DAILY ORBIT UPDATE (2022 November 26) 2022-11-26 12:22:00
58 MPEC 2022-W132 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-11-22 03:42:00 Comet CATCH
59 MPEC 2022-W67 DAILY ORBIT UPDATE (2022 November 19) 2022-11-19 12:11:00
60 MPEC 2022-V125 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-11-11 05:30:00 Comet CATCH
61 MPEC 2022-V101 DAILY ORBIT UPDATE (2022 November 5) 2022-11-05 20:01:00
62 MPEC 2022-V95 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-11-05 03:31:00 Comet CATCH
63 MPEC 2022-U398 DAILY ORBIT UPDATE (2022 October 31) 2022-10-31 12:21:00
64 MPEC 2022-U351 DAILY ORBIT UPDATE (2022 October 29) 2022-10-29 12:15:00
65 MPEC 2022-U349 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-10-29 04:43:00 Comet CATCH
66 MPEC 2022-T100 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-10-07 06:33:00 Comet CATCH
67 MPEC 2022-T96 DAILY ORBIT UPDATE (2022 October 6) 2022-10-06 12:17:00
68 MPEC 2022-T11 DAILY ORBIT UPDATE (2022 October 1) 2022-10-01 12:09:00
69 MPEC 2022-S297 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-09-27 22:09:00 Comet CATCH
70 MPEC 2022-S20 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-09-18 01:58:00 Comet CATCH
71 MPEC 2022-O116 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-07-31 08:01:00 Comet CATCH
72 MPEC 2022-N37 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-07-06 08:40:00 Comet CATCH
73 MPEC 2022-L66 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-06-08 04:25:00 Comet CATCH
74 MPEC 2022-J42 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-05-06 07:24:00 Comet CATCH
75 MPEC 2022-H122 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-04-30 09:05:00 Comet CATCH
76 MPEC 2022-G109 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-04-08 08:02:00 Comet CATCH
77 MPEC 2022-F14 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-03-22 07:23:00 Comet CATCH
78 MPEC 2022-E133 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-03-09 03:16:00 Comet CATCH
79 MPEC 2022-E82 DAILY ORBIT UPDATE (2022 March 4) 2022-03-04 12:17:00
80 MPEC 2022-C234 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-02-14 08:44:00 Comet CATCH
81 MPEC 2022-C56 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-02-04 04:24:00 Comet CATCH
82 MPEC 2022-A59 COMET C/2022 A1 (Sarneczky) 2022-01-07 05:10:00 Comet CATCH
83 MPEC 2022-A50 COMET C/2021 Y1 (ATLAS) 2022-01-06 20:09:00 Comet CATCH
84 MPEC 2021-Y10 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-12-17 09:49:00 Comet CATCH
85 MPEC 2021-X165 COMET C/2021 A1 (Leonard) 2021-12-09 03:15:00 Comet CATCH
86 MPEC 2021-W138 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-11-30 05:18:00 Comet CATCH
87 MPEC 2021-W31 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-11-21 03:00:00 Comet CATCH
88 MPEC 2021-U109 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-10-27 07:53:00 Comet CATCH
89 MPEC 2021-U31 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-10-19 05:12:00 Comet CATCH
90 MPEC 2021-T130 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-10-06 05:43:00 Comet CATCH
91 MPEC 2021-S45 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-09-20 07:00:00 Comet CATCH
92 MPEC 2021-R257 COMET P/2021 R5 (Rankin) 2021-09-11 22:57:00 Comet CATCH
93 MPEC 2021-R75 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-09-05 06:14:00 Comet CATCH
94 MPEC 2021-P47 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-08-06 07:05:00 Comet CATCH
95 MPEC 2021-O56 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-07-27 05:45:00 Comet CATCH
96 MPEC 2021-O47 COMET C/2021 O1 (Nishimura) 2021-07-25 04:20:00 Comet CATCH
97 MPEC 2021-N06 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-07-02 04:55:00 Comet CATCH
98 MPEC 2021-L04 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-06-01 05:18:00 Comet CATCH
99 MPEC 2021-J28 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-05-03 06:02:00 Comet CATCH
100 MPEC 2021-J01 DAILY ORBIT UPDATE (2021 May 1) 2021-05-01 12:25:00
101 MPEC 2021-F20 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-03-18 08:58:00 Comet CATCH
102 MPEC 2021-B143 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-01-31 04:56:00 Comet CATCH
103 MPEC 2021-A190 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-01-15 00:38:00 Comet CATCH
104 MPEC 2020-X71 COMET P/2020 X1 (ATLAS) 2020-12-09 03:16:00 Comet CATCH
105 MPEC 2020-X30 DAILY ORBIT UPDATE (2020 December 6) 2020-12-06 12:14:00
106 MPEC 2020-W26 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-11-17 07:41:00 Comet CATCH
107 MPEC 2020-U96 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-10-19 00:30:00 Comet CATCH
108 MPEC 2020-T132 DAILY ORBIT UPDATE (2020 October 14) 2020-10-14 12:32:00
109 MPEC 2020-T01 DAILY ORBIT UPDATE (2020 October 1) 2020-10-01 12:19:00
110 MPEC 2020-S188 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-09-25 02:49:00 Comet CATCH
111 MPEC 2020-Q175 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-08-24 17:36:00 Comet CATCH
112 MPEC 2020-Q109 COMET C/2020 Q1 (Borisov) 2020-08-20 01:54:00 ✓ Comet CATCH
113 MPEC 2020-N14 COMET C/2019 T2 (Lemmon) 2020-07-04 01:18:00 Comet CATCH
114 MPEC 2020-M114 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-06-26 22:34:00 Comet CATCH
115 MPEC 2020-L06 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-06-02 07:06:00 Comet CATCH
116 MPEC 2020-K171 COMET C/2019 K6 (PANSTARRS) 2020-05-26 01:10:00 Comet CATCH
117 MPEC 2020-K159 COMET C/2020 K3 (Leonard) 2020-05-25 03:51:00 Comet CATCH
118 MPEC 2020-K131 Comet C/2019 Y4 (ATLAS) 2020-05-22 20:52:00 Comet CATCH
119 MPEC 2020-K117 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-05-22 05:55:00 Comet CATCH
120 MPEC 2020-J16 COMET C/2019 Y4 (ATLAS) 2020-05-01 22:19:00 Comet CATCH
121 MPEC 2020-J07 DAILY ORBIT UPDATE (2020 May 1) 2020-05-01 12:02:00
122 MPEC 2020-H67 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-04-21 06:11:00 Comet CATCH
123 MPEC 2020-H28 COMET C/2019 Y4 (ATLAS) 2020-04-18 23:42:00 Comet CATCH
124 MPEC 2020-H12 DAILY ORBIT UPDATE (2020 April 17) 2020-04-17 12:05:00
125 MPEC 2020-G91 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-04-12 05:46:00 Comet CATCH
126 MPEC 2020-G65 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-04-06 04:37:00 Comet CATCH
127 MPEC 2020-F107 DAILY ORBIT UPDATE (2020 March 24) 2020-03-24 12:07:00

List of Observers

Observers Count
K. Yoshimoto 935

List of Measurers

Measurers Count
Facilities Count
0.20-m f/8.0 Ritchey-Chretien + CCD + f/5.4 focal reducer 359
0.20-m f/8.0 Ritchey-Chretien + CCD 20
0.20-m f/8.0 Ritchey-Chretien + CCD + f/5.4 focal reducer, 11
0.20-m f/8 Ritchey- Chretien + CCD + f/5.4 focal Reducer 463