C42 Xingming Observatory, Mt. Nanshan

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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 0 0 0 0 0 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 8 0 0 0 0 0 0 0 7 1
2019 13 0 0 1 3 0 0 0 7 2
2018 22 0 0 1 0 0 0 0 18 3
2017 19 0 0 5 0 0 0 0 13 1
2016 11 0 0 3 2 0 0 0 6 0
2015 3 0 0 2 0 0 0 0 1 0
2014 3 0 0 3 0 0 0 0 0 0
2013 9 0 0 9 0 0 0 0 0 0
2012 20 0 0 19 0 0 0 0 1 0
2011 15 0 0 10 1 0 0 0 4 0
2010 0 0 0 0 0 0 0 0 0 0
2009 2 0 0 2 0 0 0 0 0 0
2008 20 0 0 20 0 0 0 0 0 0
2007 1 0 0 1 0 0 0 0 0 0
2006 2 0 0 2 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

Download as csv

List of Individual MPECs

Index Name Date/Time Discoverer First-responding Confirmer Object Type Search Archival Image
1 MPEC 2020-K131 Comet C/2019 Y4 (ATLAS) 2020-05-22 20:52:00 Comet CATCH
2 MPEC 2020-F77 2020 FL2 2020-03-22 19:38:00 NEA (H>22) CATCH
3 MPEC 2020-F13 2020 FD 2020-03-17 13:23:00 NEA (H>22) CATCH
4 MPEC 2020-E46 2020 EO 2020-03-13 19:29:00 NEA (H>22) CATCH
5 MPEC 2020-B313 2020 BZ13 2020-01-31 21:28:00 NEA (H>22) CATCH
6 MPEC 2020-A132 COMET C/2020 A2 (Iwamoto) 2020-01-15 17:18:00 ✓ Comet CATCH
7 MPEC 2020-A112 COMET C/2019 Y4 (ATLAS) 2020-01-10 20:12:00 Comet CATCH
8 MPEC 2020-A99 2020 AV2 2020-01-08 20:24:00 NEAl18 CATCH
9 MPEC 2019-X100 2019 XW2 2019-12-09 21:08:00 ✓ NEA (18>H>22) CATCH
10 MPEC 2019-X49 DAILY ORBIT UPDATE (2019 December 4) 2019-12-04 12:03:00
11 MPEC 2019-X28 2019 XB 2019-12-03 07:20:00 NEA (H>22) CATCH
12 MPEC 2019-W190 2019 WP4 2019-11-30 23:51:00 NEA (H>22) CATCH
13 MPEC 2019-W49 2019 WH 2019-11-18 21:09:00 NEA (H>22) CATCH
14 MPEC 2019-V142 DAILY ORBIT UPDATE (2019 November 10) 2019-11-10 12:03:00
15 MPEC 2019-Q135 OBSERVATIONS AND ORBITS OF COMETS 2019-08-30 13:34:00 Comet CATCH
16 MPEC 2019-M70 COMET C/2019 K4 2019-06-24 19:02:00 Comet CATCH
17 MPEC 2019-J142 OBSERVATIONS AND ORBITS OF COMETS 2019-05-15 14:22:00 Comet CATCH
18 MPEC 2019-J123 COMET C/2019 J2 (Palomar) 2019-05-13 00:16:00 ✓ Comet CATCH
19 MPEC 2019-J122 COMET C/2019 J1 (Lemmon) 2019-05-12 23:11:00 Comet CATCH
20 MPEC 2019-F76 DAILY ORBIT UPDATE (2019 MAR. 25 UT) 2019-03-25 12:06:00
21 MPEC 2019-C13 COMET P/2019 A2 (ATLAS) 2019-02-03 03:45:00 Comet CATCH
22 MPEC 2018-V151 COMET C/2018 V1 (Machholz-Fujikawa-Iwamoto) 2018-11-11 16:35:00 Comet CATCH
23 MPEC 2018-K66 2018 KW1 2018-05-22 17:11:00 NEA (H>22) CATCH
24 MPEC 2018-F136 COMET C/2018 C2 (Lemmon) 2018-03-28 14:09:00 Comet CATCH
25 MPEC 2018-E18 A/2018 C2 2018-03-04 22:45:00 Comet CATCH
26 MPEC 2018-D04 2018 CX13 2018-02-16 19:57:00 NEA (18>H>22) CATCH
27 MPEC 2018-C99 2018 CP3 2018-02-13 21:23:00 NEA (H>22) CATCH
28 MPEC 2018-C88 2018 CZ2 2018-02-12 15:28:00 ✓ PHAg18 CATCH
29 MPEC 2018-C83 2018 CT2 2018-02-12 15:05:00 NEA (18>H>22) CATCH
30 MPEC 2018-C73 2018 CP2 2018-02-10 22:33:00 ✓ NEA (H>22) CATCH
31 MPEC 2018-C72 2018 CO2 2018-02-10 22:30:00 NEA (18>H>22) CATCH
32 MPEC 2018-C70 2007 LU19 2018-02-10 22:10:00 PHAg18 CATCH
33 MPEC 2018-C69 2018 CF2 2018-02-10 21:09:00 NEA (H>22) CATCH
34 MPEC 2018-C65 2018 CJ2 2018-02-10 20:10:00 NEA (H>22) CATCH
35 MPEC 2018-C63 2018 CG2 2018-02-10 20:03:00 NEA (18>H>22) CATCH
36 MPEC 2018-C61 2018 CA2 2018-02-10 19:40:00 NEA (H>22) CATCH
37 MPEC 2018-C60 2018 CZ1 2018-02-10 19:38:00 NEA (H>22) CATCH
38 MPEC 2018-C59 2018 CY1 2018-02-10 19:33:00 NEA (H>22) CATCH
39 MPEC 2018-C53 2018 CU1 2018-02-10 18:37:00 ✓ NEA (18>H>22) CATCH
40 MPEC 2018-C52 2018 CT1 2018-02-10 18:31:00 NEA (18>H>22) CATCH
41 MPEC 2018-C51 2018 CR1 2018-02-10 18:27:00 NEA (18>H>22) CATCH
42 MPEC 2018-C49 2018 BJ7 2018-02-10 18:17:00 NEA (H>22) CATCH
43 MPEC 2018-C23 2018 CL 2018-02-06 01:23:00 NEA (H>22) CATCH
44 MPEC 2017-U238 COMET C/2017 T3 (ATLAS) 2017-10-28 03:24:00 Comet CATCH
45 MPEC 2017-O35 2017 OD1 2017-07-22 22:48:00 NEA (18>H>22) CATCH
46 MPEC 2017-N58 OBSERVATIONS AND ORBITS OF COMETS 2017-07-06 18:55:00 Comet CATCH
47 MPEC 2017-L52 OBSERVATIONS AND ORBITS OF COMETS 2017-06-06 22:36:00 Comet CATCH
48 MPEC 2017-F171 2017 FL101 2017-03-29 02:32:00 NEA (H>22) CATCH
49 MPEC 2017-E59 OBSERVATIONS AND ORBITS OF COMETS 2017-03-08 23:15:00 Comet CATCH
50 MPEC 2017-E32 2017 DS109 2017-03-04 17:22:00 NEA (H>22) CATCH
51 MPEC 2017-D10 2017 CR32 2017-02-17 02:11:00 NEA (18>H>22) CATCH
52 MPEC 2017-C15 2017 BN92 2017-02-01 20:11:00 NEA (H>22) CATCH
53 MPEC 2017-B159 2017 BS32 2017-01-31 12:34:00 ✓ NEA (H>22) CATCH
54 MPEC 2017-B156 2017 BP32 2017-01-31 12:22:00 NEA (H>22) CATCH
55 MPEC 2017-B154 2017 BN32 2017-01-31 12:15:00 NEA (H>22) CATCH
56 MPEC 2017-B52 2017 BK3 2017-01-24 02:43:00 NEA (18>H>22) CATCH
57 MPEC 2017-B51 2017 BM3 2017-01-24 02:40:00 NEA (H>22) CATCH
58 MPEC 2017-B50 2017 BL3 2017-01-24 02:37:00 PHAg18 CATCH
59 MPEC 2017-B37 2017 BX 2017-01-21 23:50:00 NEA (H>22) CATCH
60 MPEC 2017-A77 OBSERVATIONS AND ORBITS OF COMETS 2017-01-12 03:18:00 Comet CATCH
61 MPEC 2017-A50 2017 AG5 2017-01-07 20:31:00 NEA (H>22) CATCH
62 MPEC 2017-A40 2017 AO4 2017-01-06 23:58:00 NEA (H>22) CATCH
63 MPEC 2016-V92 DAILY ORBIT UPDATE (2016 NOV. 10 UT) 2016-11-10 13:03:00
64 MPEC 2016-U66 OBSERVATIONS AND ORBITS OF COMETS 2016-10-25 19:39:00 Comet CATCH
65 MPEC 2016-T135 COMET C/2016 T2 (Matheny) 2016-10-13 00:00:00 Comet CATCH
66 MPEC 2016-T134 2016 TS55 2016-10-12 21:02:00 NEA (H>22) CATCH
67 MPEC 2016-T129 2016 TH55 2016-10-12 14:22:00 PHAg18 CATCH
68 MPEC 2016-T58 DAILY ORBIT UPDATE (2016 OCT. 7 UT) 2016-10-07 12:05:00
69 MPEC 2016-S99 2016 SE17 2016-09-29 23:10:00 NEA (18>H>22) CATCH
70 MPEC 2016-S94 COMET P/2016 R4 (GIBBS) 2016-09-29 18:55:00 Comet CATCH
71 MPEC 2016-L33 2016 LV 2016-06-04 21:28:00 PHAg18 CATCH
72 MPEC 2016-L12 2016 LB 2016-06-03 03:36:00 NEA (H>22) CATCH
73 MPEC 2016-E65 2016 EF28 2016-03-06 16:31:00 PHAg18 CATCH
74 MPEC 2015-V44 COMET C/2015 V2 (JOHNSON) 2015-11-05 11:53:00 Comet CATCH
75 MPEC 2015-H37 OBSERVATIONS AND ORBITS OF COMETS 2015-04-20 02:45:00 Comet CATCH
76 MPEC 2015-G27 COMET C/2015 F5 (SWAN-XINGMING) 2015-04-10 19:03:00 Comet CATCH
77 MPEC 2014-L52 OBSERVATIONS AND ORBITS OF COMETS 2014-06-10 19:22:00 Comet CATCH
78 MPEC 2014-K54 OBSERVATIONS AND ORBITS OF COMETS 2014-05-26 19:52:00 Comet CATCH
79 MPEC 2014-A73 OBSERVATIONS AND ORBITS OF COMETS 2014-01-12 17:26:00 Comet CATCH
80 MPEC 2013-W01 OBSERVATIONS AND ORBITS OF COMETS 2013-11-16 06:59:00 Comet CATCH
81 MPEC 2013-U17 OBSERVATIONS AND ORBITS OF COMETS 2013-10-21 17:39:00 Comet CATCH
82 MPEC 2013-S75 OBSERVATIONS AND ORBITS OF COMETS 2013-09-30 21:16:00 Comet CATCH
83 MPEC 2013-S08 OBSERVATIONS AND ORBITS OF COMETS 2013-09-16 19:43:00 Comet CATCH
84 MPEC 2013-R59 OBSERVATIONS AND ORBITS OF COMETS 2013-09-06 23:38:00 Comet CATCH
85 MPEC 2013-K38 OBSERVATIONS AND ORBITS OF COMETS 2013-05-24 23:17:00 Comet CATCH
86 MPEC 2013-E06 OBSERVATIONS AND ORBITS OF COMETS 2013-03-03 01:00:00 Comet CATCH
87 MPEC 2013-C52 OBSERVATIONS AND ORBITS OF COMETS 2013-02-12 02:17:00 Comet CATCH
88 MPEC 2013-A85 OBSERVATIONS AND ORBITS OF COMETS 2013-01-14 00:29:00 Comet CATCH
89 MPEC 2012-Y30 OBSERVATIONS AND ORBITS OF COMETS 2012-12-26 05:43:00 Comet CATCH
90 MPEC 2012-U109 OBSERVATIONS AND ORBITS OF COMETS 2012-10-26 20:51:00 Comet CATCH
91 MPEC 2012-T73 OBSERVATIONS AND ORBITS OF COMETS 2012-10-12 21:36:00 Comet CATCH
92 MPEC 2012-T08 OBSERVATIONS AND ORBITS OF COMETS 2012-10-03 20:11:00 Comet CATCH
93 MPEC 2012-S31 OBSERVATIONS AND ORBITS OF COMETS 2012-09-18 20:22:00 Comet CATCH
94 MPEC 2012-O25 OBSERVATIONS AND ORBITS OF COMETS 2012-07-23 01:21:00 Comet CATCH
95 MPEC 2012-O08 COMET P/2012 NJ (LA SAGRA) 2012-07-18 17:11:00 Comet CATCH
96 MPEC 2012-N19 2012 NJ 2012-07-14 19:26:00 Unusual CATCH
97 MPEC 2012-N02 OBSERVATIONS AND ORBITS OF COMETS 2012-07-01 16:59:00 Comet CATCH
98 MPEC 2012-M33 OBSERVATIONS AND ORBITS OF COMETS 2012-06-22 16:34:00 Comet CATCH
99 MPEC 2012-L43 OBSERVATIONS AND ORBITS OF COMETS 2012-06-15 16:03:00 Comet CATCH
100 MPEC 2012-K56 OBSERVATIONS AND ORBITS OF COMETS 2012-05-25 22:03:00 Comet CATCH
101 MPEC 2012-H90 OBSERVATIONS AND ORBITS OF COMETS 2012-04-29 20:07:00 Comet CATCH
102 MPEC 2012-G18 OBSERVATIONS AND ORBITS OF COMETS 2012-04-03 20:37:00 Comet CATCH
103 MPEC 2012-F59 OBSERVATIONS AND ORBITS OF COMETS 2012-03-23 19:11:00 Comet CATCH
104 MPEC 2012-F11 OBSERVATIONS AND ORBITS OF COMETS 2012-03-16 18:06:00 Comet CATCH
105 MPEC 2012-D59 OBSERVATIONS AND ORBITS OF COMETS 2012-02-24 21:03:00 Comet CATCH
106 MPEC 2012-D09 OBSERVATIONS AND ORBITS OF COMETS 2012-02-17 18:06:00 Comet CATCH
107 MPEC 2012-C24 OBSERVATIONS AND ORBITS OF COMETS 2012-02-04 19:21:00 Comet CATCH
108 MPEC 2012-B78 OBSERVATIONS AND ORBITS OF COMETS 2012-01-28 03:04:00 Comet CATCH
109 MPEC 2011-T39 OBSERVATIONS AND ORBITS OF COMETS 2011-10-08 19:14:00 Comet CATCH
110 MPEC 2011-P44 OBSERVATIONS AND ORBITS OF COMETS 2011-08-10 16:48:00 Comet CATCH
111 MPEC 2011-P37 COMET 213P-B/VAN NESS 2011-08-09 01:18:00 Comet CATCH
112 MPEC 2011-L11 OBSERVATIONS AND ORBITS OF COMETS 2011-06-02 18:04:00 Comet CATCH
113 MPEC 2011-G90 OBSERVATIONS AND ORBITS OF COMETS 2011-04-15 16:53:00 Comet CATCH
114 MPEC 2011-G58 OBSERVATIONS AND ORBITS OF COMETS 2011-04-08 16:46:00 Comet CATCH
115 MPEC 2011-F23 OBSERVATIONS AND ORBITS OF COMETS 2011-03-25 16:17:00 Comet CATCH
116 MPEC 2011-F15 COMET C/2011 F1 (LINEAR) 2011-03-21 17:00:00 Comet CATCH
117 MPEC 2011-E78 2011 EO51 2011-03-13 20:35:00 PHAg18 CATCH
118 MPEC 2011-E57 OBSERVATIONS AND ORBITS OF COMETS 2011-03-10 17:28:00 Comet CATCH
119 MPEC 2011-E38 2011 EE17 2011-03-06 22:54:00 NEA (H>22) CATCH
120 MPEC 2011-E19 2011 EX4 2011-03-03 23:07:00 NEA (H>22) CATCH
121 MPEC 2011-E14 2011 ET4 2011-03-03 03:12:00 NEA (18>H>22) CATCH
122 MPEC 2011-D37 DAILY ORBIT UPDATE (2011 FEB. 25 UT) 2011-02-25 07:06:00
123 MPEC 2011-D06 OBSERVATIONS AND ORBITS OF COMETS 2011-02-16 16:27:00 Comet CATCH
124 MPEC 2009-M05 COMET P/2009 L2 (YANG-GAO) 2009-06-16 19:16:00 Comet CATCH
125 MPEC 2009-E69 COMET C/2009 E1 (ITAGAKI) 2009-03-15 16:16:00 Comet CATCH
126 MPEC 2008-Y79 OBSERVATIONS OF COMETS 2008-12-31 05:23:00 Comet CATCH
127 MPEC 2008-Y58 OBSERVATIONS OF COMETS 2008-12-28 00:13:00 Comet CATCH
128 MPEC 2008-X62 OBSERVATIONS OF COMETS 2008-12-08 00:30:00 Comet CATCH
129 MPEC 2008-V54 OBSERVATIONS OF COMETS 2008-11-10 15:35:00 Comet CATCH
130 MPEC 2008-U100 OBSERVATIONS OF COMETS 2008-10-30 15:22:00 Comet CATCH
131 MPEC 2008-R78 COMET P/1896 R2 = 2008 R6 (GIACOBINI) 2008-09-15 17:31:00 Comet CATCH
132 MPEC 2008-G35 OBSERVATIONS OF COMETS 2008-04-07 15:28:00 Comet CATCH
133 MPEC 2008-G32 COMET C/2008 C1 (CHEN-GAO) 2008-04-07 14:46:00 Comet CATCH
134 MPEC 2008-F63 OBSERVATIONS OF COMETS 2008-03-31 20:46:00 Comet CATCH
135 MPEC 2008-F62 COMET C/2008 C1 (CHEN-GAO) 2008-03-31 20:02:00 Comet CATCH
136 MPEC 2008-F28 COMET C/2008 C1 (CHEN-GAO) 2008-03-24 14:36:00 Comet CATCH
137 MPEC 2008-F03 COMET C/2008 C1 (CHEN-GAO) 2008-03-17 01:46:00 Comet CATCH
138 MPEC 2008-E77 OBSERVATIONS OF COMETS 2008-03-10 03:27:00 Comet CATCH
139 MPEC 2008-E18 OBSERVATIONS OF COMETS 2008-03-03 04:18:00 Comet CATCH
140 MPEC 2008-E17 COMET C/2008 C1 (CHEN-GAO) 2008-03-03 03:54:00 Comet CATCH
141 MPEC 2008-D10 OBSERVATIONS OF COMETS 2008-02-18 00:55:00 Comet CATCH
142 MPEC 2008-D09 COMET C/2008 C1 (CHEN-GAO) 2008-02-18 00:41:00 Comet CATCH
143 MPEC 2008-C64 OBSERVATIONS OF COMETS 2008-02-11 00:59:00 Comet CATCH
144 MPEC 2008-C63 COMET C/2008 C1 (CHEN-GAO) 2008-02-11 00:38:00 Comet CATCH
145 MPEC 2008-C21 COMET C/2008 C1 (CHEN-GAO) 2008-02-04 00:25:00 Comet CATCH
146 MPEC 2007-Y12 OBSERVATIONS OF COMETS 2007-12-17 17:06:00 Comet CATCH
147 MPEC 2006-W12 OBSERVATIONS OF COMETS 2006-11-16 19:54:00 Comet CATCH
148 MPEC 2006-K18 OBSERVATIONS OF COMETS 2006-05-19 19:11:00 Comet CATCH

List of Observers

Observers Count
X. Gao 208
X. Gao, J. Beize 10
R. Yang, X. Gao 9
Z. Xu, X. Gao 154
X. Gao, M.-T. Hui, Z. Xu 16
X. Gao, M.-T. Hui 182
Z. Xu, X. Gao, M.-T. Hui 17
M.-T. Hui, X. Gao 253
M.-T. Hui, X. Gao, Z. Xu 24
G. Sun, X. Gao 41
Z. Xu, X. Gao, G. Sun 19
X. Gao, H. Tan 38
H. Tan, X. Gao 40
Z. Xu, X. Gao, P. Sun 18
Q.-Z. Ye, X. Gao 5
X. Gao, Z. Xu, M.-T. Hui 21
X. Liao X. Gao 3
X. Liao, X. Gao 7
H.-J. Tan, X. Gao 140
X. Gao, Q.-Z. Ye 10
G. Sun, Z. Xu, X. Gao 3
X. Gao, H.-J. Tan 10

List of Measurers

Measurers Count
J. Beize, T. Chen 7
J. Beize 37
T. Chen 66
Z. Xu 154
M.-T. Hui, Z. Xu 61
M.-T. Hui 459
Z. Xu, M.-T. Hui 17
G. Sun, S. Yuan, M.-T. Hui 38
Z. Xu, G. Sun 19
X. Gao 3
H. Tan 78
Z. Xu, P. Sun, M.-T. Hui 18
Q.-Z. Ye 64
X. Liao 10
H.-J. Tan 150
G. Sun, Q.-Z. Ye 3
Facilities Count
0.11-m refractor + CCD 20
0.07-m f/2.8 lens and camera 68
0.20-m f/4 reflector + CCD 7
0.07-m f/2.8 lens and camera + CCD 40
0.107-m f/2.8 lens + CCD 3
0.107-m f/2.8 cemera lens + CCD 4
0.107-m f/2.8 camera lens + CCD 16
0.11-m F/2.8 camera lens + CCD 4
0.36-m f/6.9 Schmidt-Cassegrain + CCD 384
0.11-m f/2.8 refractor + CCD 67
0.11-m f/5.0 refractor + CCD 59
0.11-m f/2.8 refractor + CCD, 0.36-m f/6.9 Schmidt-Cassegrain + CCD 98
0.11-m f/5.0 refractor + CCD, 0.36-m f/6.9 Schmidt-Cassegrain + CCD 22
0.11-m f/.05 reflector + CCD 38
0.5-m f/4 reflector + CCD 96
0.5-m f/4 reflector + CCD, 0.5-m reflector + CCD 39
0.5-m reflector + CCD 9
0.6-m f/8 Ritchey-Chretien + CCD 250
0.6-m reflector + CCD 14